Release 22.05 #155
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@ -17,6 +17,7 @@ The **patch** part changes is incremented if multiple releases happen the same m
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||||||
* evolinux-base: backup-server-state release 22.03
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* evolinux-base: backup-server-state release 22.03
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||||||
* evolinux-base: Add non-free repos & install non-free firmware on dedicated hardware
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* evolinux-base: Add non-free repos & install non-free firmware on dedicated hardware
|
||||||
* generate-ldif: Add services check for bkctld
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* generate-ldif: Add services check for bkctld
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||||||
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* minifirewall: upstream release 22.03.1 and use includes directory
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||||||
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||||||
### Fixed
|
### Fixed
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||||||
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||||||
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@ -1,13 +1,19 @@
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||||||
---
|
---
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||||||
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|
||||||
minifirewall_main_file: /etc/default/minifirewall
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# Deprecated variable
|
||||||
minifirewall_tail_file: /etc/default/minifirewall.tail
|
# minifirewall_main_file: /etc/default/minifirewall
|
||||||
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||||||
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minifirewall_tail_file: zzz-tail
|
||||||
minifirewall_tail_included: False
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minifirewall_tail_included: False
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||||||
minifirewall_tail_force: True
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minifirewall_tail_force: True
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||||||
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||||||
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# Overwrite files completely
|
||||||
minifirewall_force_upgrade_script: False
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minifirewall_force_upgrade_script: False
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||||||
minifirewall_force_upgrade_config: False
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minifirewall_force_upgrade_config: False
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||||||
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||||||
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# Update specific values in configuration
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||||||
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minifirewall_update_config: True
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||||||
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||||||
minifirewall_git_url: "https://forge.evolix.org/minifirewall.git"
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minifirewall_git_url: "https://forge.evolix.org/minifirewall.git"
|
||||||
minifirewall_checkout_path: "/tmp/minifirewall"
|
minifirewall_checkout_path: "/tmp/minifirewall"
|
||||||
minifirewall_int: "{{ ansible_default_ipv4.interface }}"
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minifirewall_int: "{{ ansible_default_ipv4.interface }}"
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||||||
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@ -31,7 +37,7 @@ minifirewall_private_ports_tcp: [5666]
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||||||
minifirewall_private_ports_udp: []
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minifirewall_private_ports_udp: []
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||||||
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||||||
# Keep a null value to leave the setting as is
|
# Keep a null value to leave the setting as is
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||||||
# otherwise use an Array, eg. "minifirewall_ssh_ok: ['0.0.0.0/0']"
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# otherwise use an Array, eg. "minifirewall_ssh_ok: ['0.0.0.0/0', '::/0']"
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||||||
minifirewall_dns_servers: Null
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minifirewall_dns_servers: Null
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||||||
minifirewall_http_sites: Null
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minifirewall_http_sites: Null
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||||||
minifirewall_https_sites: Null
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minifirewall_https_sites: Null
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||||||
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|
845
minifirewall/files/minifirewall
Executable file
845
minifirewall/files/minifirewall
Executable file
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@ -0,0 +1,845 @@
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||||||
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#!/bin/sh
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||||||
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|
||||||
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# minifirewall is shellscripts for easy firewalling on a standalone server
|
||||||
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# we used netfilter/iptables http://netfilter.org/ designed for recent Linux kernel
|
||||||
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# See https://gitea.evolix.org/evolix/minifirewall
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||||||
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||||||
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# Copyright (c) 2007-2022 Evolix
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||||||
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# This program is free software; you can redistribute it and/or
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||||||
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# modify it under the terms of the GNU General Public License
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||||||
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# as published by the Free Software Foundation; either version 3
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||||||
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# of the License.
|
||||||
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|
||||||
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# Description
|
||||||
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# script for standalone server
|
||||||
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|
||||||
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# Start or stop minifirewall
|
||||||
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#
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||||||
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|
||||||
|
### BEGIN INIT INFO
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||||||
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# Provides: minifirewall
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||||||
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# Required-Start:
|
||||||
|
# Required-Stop:
|
||||||
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# Should-Start: $network $syslog $named
|
||||||
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# Should-Stop: $syslog
|
||||||
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# Default-Start: 2 3 4 5
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||||||
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# Default-Stop: 0 1 6
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||||||
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# Short-Description: start and stop the firewall
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||||||
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# Description: Firewall designed for standalone server
|
||||||
|
### END INIT INFO
|
||||||
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|
||||||
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VERSION="22.03.1"
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||||||
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||||||
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NAME="minifirewall"
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||||||
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DESC="Firewall designed for standalone server"
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||||||
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||||||
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set -u
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||||||
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||||||
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# Variables configuration
|
||||||
|
#########################
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||||||
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||||||
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config_file="/etc/default/minifirewall"
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||||||
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includes_dir="/etc/minifirewall.d"
|
||||||
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|
||||||
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# iptables paths
|
||||||
|
IPT=$(command -v iptables)
|
||||||
|
if [ -z "${IPT}" ]; then
|
||||||
|
echo "Unable to find 'iptables\` command in PATH." >&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
IPT6=$(command -v ip6tables)
|
||||||
|
if [ -z "${IPT6}" ]; then
|
||||||
|
echo "Unable to find 'ip6tables\` command in PATH." >&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
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|
||||||
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# TCP/IP variables
|
||||||
|
LOOPBACK='127.0.0.0/8'
|
||||||
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CLASSA='10.0.0.0/8'
|
||||||
|
CLASSB='172.16.0.0/12'
|
||||||
|
CLASSC='192.168.0.0/16'
|
||||||
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CLASSD='224.0.0.0/4'
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||||||
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CLASSE='240.0.0.0/5'
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||||||
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ALL='0.0.0.0'
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||||||
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BROAD='255.255.255.255'
|
||||||
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PORTSROOT='0:1023'
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||||||
|
PORTSUSER='1024:65535'
|
||||||
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|
||||||
|
# Configuration
|
||||||
|
|
||||||
|
INT=''
|
||||||
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IPV6=''
|
||||||
|
DOCKER=''
|
||||||
|
INTLAN=''
|
||||||
|
TRUSTEDIPS=''
|
||||||
|
PRIVILEGIEDIPS=''
|
||||||
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SERVICESTCP1p=''
|
||||||
|
SERVICESUDP1p=''
|
||||||
|
SERVICESTCP1=''
|
||||||
|
SERVICESUDP1=''
|
||||||
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SERVICESTCP2=''
|
||||||
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SERVICESUDP2=''
|
||||||
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SERVICESTCP3=''
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||||||
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SERVICESUDP3=''
|
||||||
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DNSSERVEURS=''
|
||||||
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HTTPSITES=''
|
||||||
|
HTTPSSITES=''
|
||||||
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FTPSITES=''
|
||||||
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SSHOK=''
|
||||||
|
SMTPOK=''
|
||||||
|
SMTPSECUREOK=''
|
||||||
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NTPOK=''
|
||||||
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PROXY=''
|
||||||
|
PROXYBYPASS=''
|
||||||
|
PROXYPORT=''
|
||||||
|
BACKUPSERVERS=''
|
||||||
|
|
||||||
|
LEGACY_CONFIG='off'
|
||||||
|
|
||||||
|
is_ipv6_enabled() {
|
||||||
|
test "${IPV6}" != "off"
|
||||||
|
}
|
||||||
|
is_docker_enabled() {
|
||||||
|
test "${DOCKER}" = "on"
|
||||||
|
}
|
||||||
|
is_proxy_enabled() {
|
||||||
|
test "${PROXY}" = "on"
|
||||||
|
}
|
||||||
|
is_ipv6() {
|
||||||
|
echo "$1" | grep -q ':'
|
||||||
|
}
|
||||||
|
is_legacy_config() {
|
||||||
|
test "${LEGACY_CONFIG}" != "off"
|
||||||
|
}
|
||||||
|
chain_exists() {
|
||||||
|
chain_name="$1"
|
||||||
|
if [ $# -ge 2 ]; then
|
||||||
|
intable="--table $2"
|
||||||
|
fi
|
||||||
|
# shellcheck disable=SC2086
|
||||||
|
iptables ${intable} -nL "${chain_name}" >/dev/null 2>&1
|
||||||
|
}
|
||||||
|
source_file_or_error() {
|
||||||
|
file=$1
|
||||||
|
echo "...sourcing '${file}\`"
|
||||||
|
|
||||||
|
tmpfile=$(mktemp --tmpdir=/tmp minifirewall.XXX)
|
||||||
|
. "${file}" 2>"${tmpfile}" >&2
|
||||||
|
|
||||||
|
if [ -s "${tmpfile}" ]; then
|
||||||
|
echo "${file} returns standard or error output (see below). Stopping." >&2
|
||||||
|
cat "${tmpfile}"
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
rm "${tmpfile}"
|
||||||
|
}
|
||||||
|
source_configuration() {
|
||||||
|
if ! test -f ${config_file}; then
|
||||||
|
echo "${config_file} does not exist" >&2
|
||||||
|
|
||||||
|
## We still want to deal with this really old configuration file
|
||||||
|
## even if it has been deprecated since Debian 8
|
||||||
|
old_config_file="/etc/firewall.rc"
|
||||||
|
if test -f ${old_config_file}; then
|
||||||
|
echo "${old_config_file} is deprecated. Rename it to ${config_file}" >&2
|
||||||
|
fi
|
||||||
|
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
if grep -e "iptables" -e "ip6tables" "${config_file}" | grep -qvE "^#"; then
|
||||||
|
# Backward compatible mode
|
||||||
|
###########################
|
||||||
|
|
||||||
|
echo "Legacy config detected"
|
||||||
|
LEGACY_CONFIG='on'
|
||||||
|
|
||||||
|
# Non-backward compatible mode
|
||||||
|
###############################
|
||||||
|
|
||||||
|
# If we ever want to remove the backward compatible mode
|
||||||
|
# we can remove the two lines above and uncomment the lines below.
|
||||||
|
# They break if any iptables/ip6tables command is found in the configuration file
|
||||||
|
|
||||||
|
# echo "iptables/ip6tables commands found in ${config_file}." >&2
|
||||||
|
# echo "Move them in included files (in ${includes_dir})." >&2
|
||||||
|
# exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
if is_legacy_config; then
|
||||||
|
# In this mode, we extract all variable definitions
|
||||||
|
# to a temporary file that we can source.
|
||||||
|
# It allow iptables/ip6tables commands to remain in the configuration file
|
||||||
|
# and not interfere with the configuration step.
|
||||||
|
|
||||||
|
tmp_config_file=$(mktemp --tmpdir=/tmp minifirewall.XXX)
|
||||||
|
grep -E "^\s*[_a-zA-Z0-9]+=" "${config_file}" > "${tmp_config_file}"
|
||||||
|
|
||||||
|
source_file_or_error "${tmp_config_file}"
|
||||||
|
rm "${tmp_config_file}"
|
||||||
|
else
|
||||||
|
source_file_or_error "${config_file}"
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
source_includes() {
|
||||||
|
if [ -d "${includes_dir}" ]; then
|
||||||
|
include_files=$(find ${includes_dir} -type f -readable -not -name '*.*' | sort -h)
|
||||||
|
for include_file in ${include_files}; do
|
||||||
|
source_file_or_error "${include_file}"
|
||||||
|
done
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
start() {
|
||||||
|
echo "Start IPTables rules..."
|
||||||
|
|
||||||
|
# Stop and warn if error!
|
||||||
|
set -e
|
||||||
|
trap 'echo "ERROR in minifirewall configuration (fix it now!) or script manipulation (fix yourself)." ' INT TERM EXIT
|
||||||
|
|
||||||
|
# sysctl network security settings
|
||||||
|
##################################
|
||||||
|
|
||||||
|
# Set 1 to ignore broadcast pings (default)
|
||||||
|
: "${SYSCTL_ICMP_ECHO_IGNORE_BROADCASTS:=1}"
|
||||||
|
# Set 1 to ignore bogus ICMP responses (default)
|
||||||
|
: "${SYSCTL_ICMP_IGNORE_BOGUS_ERROR_RESPONSES:=1}"
|
||||||
|
# Set 0 to disable source routing (default)
|
||||||
|
: "${SYSCTL_ACCEPT_SOURCE_ROUTE:=0}"
|
||||||
|
# Set 1 to enable TCP SYN cookies (default)
|
||||||
|
# cf http://cr.yp.to/syncookies.html
|
||||||
|
: "${SYSCTL_TCP_SYNCOOKIES:=1}"
|
||||||
|
# Set 0 to disable ICMP redirects (default)
|
||||||
|
: "${SYSCTL_ICMP_REDIRECTS:=0}"
|
||||||
|
# Set 1 to enable Reverse Path filtering (default)
|
||||||
|
# Set 0 if VRRP is used
|
||||||
|
: "${SYSCTL_RP_FILTER:=1}"
|
||||||
|
# Set 1 to log packets with inconsistent address (default)
|
||||||
|
: "${SYSCTL_LOG_MARTIANS:=1}"
|
||||||
|
|
||||||
|
if [ "${SYSCTL_ICMP_ECHO_IGNORE_BROADCASTS}" = "1" ] || [ "${SYSCTL_ICMP_ECHO_IGNORE_BROADCASTS}" = "0" ]; then
|
||||||
|
echo "${SYSCTL_ICMP_ECHO_IGNORE_BROADCASTS}" > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
|
||||||
|
else
|
||||||
|
echo "Invalid SYSCTL_ICMP_ECHO_IGNORE_BROADCASTS value '${SYSCTL_ICMP_ECHO_IGNORE_BROADCASTS}', must be '0' or '1'." >&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ "${SYSCTL_ICMP_IGNORE_BOGUS_ERROR_RESPONSES}" = "1" ] || [ "${SYSCTL_ICMP_IGNORE_BOGUS_ERROR_RESPONSES}" = "0" ]; then
|
||||||
|
echo "${SYSCTL_ICMP_IGNORE_BOGUS_ERROR_RESPONSES}" > /proc/sys/net/ipv4/icmp_ignore_bogus_error_responses
|
||||||
|
else
|
||||||
|
echo "Invalid SYSCTL_ICMP_IGNORE_BOGUS_ERROR_RESPONSES value '${SYSCTL_ICMP_IGNORE_BOGUS_ERROR_RESPONSES}', must be '0' or '1'." >&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ "${SYSCTL_ACCEPT_SOURCE_ROUTE}" = "1" ] || [ "${SYSCTL_ACCEPT_SOURCE_ROUTE}" = "0" ]; then
|
||||||
|
for proc_sys_file in /proc/sys/net/ipv4/conf/*/accept_source_route; do
|
||||||
|
echo "${SYSCTL_ACCEPT_SOURCE_ROUTE}" = > "${proc_sys_file}"
|
||||||
|
done
|
||||||
|
else
|
||||||
|
echo "Invalid SYSCTL_ACCEPT_SOURCE_ROUTE value '${SYSCTL_ACCEPT_SOURCE_ROUTE}', must be '0' or '1'." >&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ "${SYSCTL_TCP_SYNCOOKIES}" = "1" ] || [ "${SYSCTL_TCP_SYNCOOKIES}" = "0" ]; then
|
||||||
|
echo "${SYSCTL_TCP_SYNCOOKIES}" > /proc/sys/net/ipv4/tcp_syncookies
|
||||||
|
else
|
||||||
|
echo "Invalid SYSCTL_TCP_SYNCOOKIES value '${SYSCTL_TCP_SYNCOOKIES}', must be '0' or '1'." >&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ "${SYSCTL_ICMP_REDIRECTS}" = "1" ] || [ "${SYSCTL_ICMP_REDIRECTS}" = "0" ]; then
|
||||||
|
for proc_sys_file in /proc/sys/net/ipv4/conf/*/accept_redirects; do
|
||||||
|
echo "${SYSCTL_ICMP_REDIRECTS}" > "${proc_sys_file}"
|
||||||
|
done
|
||||||
|
for proc_sys_file in /proc/sys/net/ipv4/conf/*/send_redirects; do
|
||||||
|
echo "${SYSCTL_ICMP_REDIRECTS}" > "${proc_sys_file}"
|
||||||
|
done
|
||||||
|
else
|
||||||
|
echo "Invalid SYSCTL_ICMP_REDIRECTS value '${SYSCTL_ICMP_REDIRECTS}', must be '0' or '1'." >&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ "${SYSCTL_RP_FILTER}" = "1" ] || [ "${SYSCTL_RP_FILTER}" = "0" ]; then
|
||||||
|
for proc_sys_file in /proc/sys/net/ipv4/conf/*/rp_filter; do
|
||||||
|
echo "${SYSCTL_RP_FILTER}" > "${proc_sys_file}"
|
||||||
|
done
|
||||||
|
else
|
||||||
|
echo "Invalid SYSCTL_RP_FILTER value '${SYSCTL_RP_FILTER}', must be '0' or '1'." >&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ "${SYSCTL_LOG_MARTIANS}" = "1" ] || [ "${SYSCTL_LOG_MARTIANS}" = "0" ]; then
|
||||||
|
for proc_sys_file in /proc/sys/net/ipv4/conf/*/log_martians; do
|
||||||
|
echo "${SYSCTL_LOG_MARTIANS}" > "${proc_sys_file}"
|
||||||
|
done
|
||||||
|
else
|
||||||
|
echo "Invalid SYSCTL_LOG_MARTIANS value '${SYSCTL_LOG_MARTIANS}', must be '0' or '1'." >&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
# IPTables configuration
|
||||||
|
########################
|
||||||
|
|
||||||
|
${IPT} -N LOG_DROP
|
||||||
|
${IPT} -A LOG_DROP -j LOG --log-prefix '[IPTABLES DROP] : '
|
||||||
|
${IPT} -A LOG_DROP -j DROP
|
||||||
|
${IPT} -N LOG_ACCEPT
|
||||||
|
${IPT} -A LOG_ACCEPT -j LOG --log-prefix '[IPTABLES ACCEPT] : '
|
||||||
|
${IPT} -A LOG_ACCEPT -j ACCEPT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -N LOG_DROP
|
||||||
|
${IPT6} -A LOG_DROP -j LOG --log-prefix '[IPTABLES DROP] : '
|
||||||
|
${IPT6} -A LOG_DROP -j DROP
|
||||||
|
${IPT6} -N LOG_ACCEPT
|
||||||
|
${IPT6} -A LOG_ACCEPT -j LOG --log-prefix '[IPTABLES ACCEPT] : '
|
||||||
|
${IPT6} -A LOG_ACCEPT -j ACCEPT
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Trusted ip addresses
|
||||||
|
${IPT} -N ONLYTRUSTED
|
||||||
|
${IPT} -A ONLYTRUSTED -j LOG_DROP
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -N ONLYTRUSTED
|
||||||
|
${IPT6} -A ONLYTRUSTED -j LOG_DROP
|
||||||
|
fi
|
||||||
|
for ip in ${TRUSTEDIPS}; do
|
||||||
|
if is_ipv6 ${ip}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -I ONLYTRUSTED -s ${ip} -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -I ONLYTRUSTED -s ${ip} -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# Privilegied ip addresses
|
||||||
|
# (trusted ip addresses *are* privilegied)
|
||||||
|
${IPT} -N ONLYPRIVILEGIED
|
||||||
|
${IPT} -A ONLYPRIVILEGIED -j ONLYTRUSTED
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -N ONLYPRIVILEGIED
|
||||||
|
${IPT6} -A ONLYPRIVILEGIED -j ONLYTRUSTED
|
||||||
|
fi
|
||||||
|
for ip in ${PRIVILEGIEDIPS}; do
|
||||||
|
if is_ipv6 ${ip}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -I ONLYPRIVILEGIED -s ${ip} -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -I ONLYPRIVILEGIED -s ${ip} -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# Chain for restrictions (blacklist IPs/ranges)
|
||||||
|
${IPT} -N NEEDRESTRICT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -N NEEDRESTRICT
|
||||||
|
fi
|
||||||
|
|
||||||
|
# We allow all on loopback interface
|
||||||
|
${IPT} -A INPUT -i lo -j ACCEPT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -i lo -j ACCEPT
|
||||||
|
fi
|
||||||
|
# if OUTPUTDROP
|
||||||
|
${IPT} -A OUTPUT -o lo -j ACCEPT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A OUTPUT -o lo -j ACCEPT
|
||||||
|
fi
|
||||||
|
|
||||||
|
# We avoid "martians" packets, typical when W32/Blaster virus
|
||||||
|
# attacked windowsupdate.com and DNS was changed to 127.0.0.1
|
||||||
|
# ${IPT} -t NAT -I PREROUTING -s ${LOOPBACK} -i ! lo -j DROP
|
||||||
|
for IP in ${LOOPBACK}; do
|
||||||
|
if is_ipv6 ${IP}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -s ${IP} ! -i lo -j DROP
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -A INPUT -s ${IP} ! -i lo -j DROP
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
if is_docker_enabled; then
|
||||||
|
# WARN: IPv6 not yet supported for Docker rules
|
||||||
|
${IPT} -N MINIFW-DOCKER-TRUSTED
|
||||||
|
${IPT} -A MINIFW-DOCKER-TRUSTED -j DROP
|
||||||
|
|
||||||
|
${IPT} -N MINIFW-DOCKER-PRIVILEGED
|
||||||
|
${IPT} -A MINIFW-DOCKER-PRIVILEGED -j MINIFW-DOCKER-TRUSTED
|
||||||
|
${IPT} -A MINIFW-DOCKER-PRIVILEGED -j RETURN
|
||||||
|
|
||||||
|
${IPT} -N MINIFW-DOCKER-PUB
|
||||||
|
${IPT} -A MINIFW-DOCKER-PUB -j MINIFW-DOCKER-PRIVILEGED
|
||||||
|
${IPT} -A MINIFW-DOCKER-PUB -j RETURN
|
||||||
|
|
||||||
|
# Flush DOCKER-USER if exist, create it if absent
|
||||||
|
if chain_exists 'DOCKER-USER'; then
|
||||||
|
${IPT} -F DOCKER-USER
|
||||||
|
else
|
||||||
|
${IPT} -N DOCKER-USER
|
||||||
|
fi;
|
||||||
|
|
||||||
|
# Pipe new connection through MINIFW-DOCKER-PUB
|
||||||
|
${IPT} -A DOCKER-USER -i ${INT} -m state --state NEW -j MINIFW-DOCKER-PUB
|
||||||
|
${IPT} -A DOCKER-USER -j RETURN
|
||||||
|
fi
|
||||||
|
|
||||||
|
|
||||||
|
# Local services restrictions
|
||||||
|
#############################
|
||||||
|
|
||||||
|
# Allow services for ${INTLAN} (local server or local network)
|
||||||
|
for IP in ${INTLAN}; do
|
||||||
|
if is_ipv6 ${IP}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -A INPUT -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# Enable protection chain for sensible services
|
||||||
|
for port in ${SERVICESTCP1p}; do
|
||||||
|
${IPT} -A INPUT -p tcp --dport ${port} -j NEEDRESTRICT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p tcp --dport ${port} -j NEEDRESTRICT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
for port in ${SERVICESUDP1p}; do
|
||||||
|
${IPT} -A INPUT -p udp --dport ${port} -j NEEDRESTRICT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p udp --dport ${port} -j NEEDRESTRICT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# Public service
|
||||||
|
for port in ${SERVICESTCP1}; do
|
||||||
|
${IPT} -A INPUT -p tcp --dport ${port} -j ACCEPT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p tcp --dport ${port} -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
for port in ${SERVICESUDP1}; do
|
||||||
|
${IPT} -A INPUT -p udp --dport ${port} -j ACCEPT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p udp --dport ${port} -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# Privilegied services
|
||||||
|
for port in ${SERVICESTCP2}; do
|
||||||
|
${IPT} -A INPUT -p tcp --dport ${port} -j ONLYPRIVILEGIED
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p tcp --dport ${port} -j ONLYPRIVILEGIED
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
for port in ${SERVICESUDP2}; do
|
||||||
|
${IPT} -A INPUT -p udp --dport ${port} -j ONLYPRIVILEGIED
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p udp --dport ${port} -j ONLYPRIVILEGIED
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# Private services
|
||||||
|
for port in ${SERVICESTCP3}; do
|
||||||
|
${IPT} -A INPUT -p tcp --dport ${port} -j ONLYTRUSTED
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p tcp --dport ${port} -j ONLYTRUSTED
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
for port in ${SERVICESUDP3}; do
|
||||||
|
${IPT} -A INPUT -p udp --dport ${port} -j ONLYTRUSTED
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p udp --dport ${port} -j ONLYTRUSTED
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
|
||||||
|
if is_docker_enabled; then
|
||||||
|
# WARN: IPv6 not yet supported
|
||||||
|
|
||||||
|
# Public services defined in SERVICESTCP1 & SERVICESUDP1
|
||||||
|
for dstport in ${SERVICESTCP1}; do
|
||||||
|
${IPT} -I MINIFW-DOCKER-PUB -p tcp --dport "${dstport}" -j RETURN
|
||||||
|
done
|
||||||
|
|
||||||
|
for dstport in ${SERVICESUDP1}; do
|
||||||
|
${IPT} -I MINIFW-DOCKER-PUB -p udp --dport "${dstport}" -j RETURN
|
||||||
|
done
|
||||||
|
|
||||||
|
# Privileged services (accessible from privileged & trusted IPs)
|
||||||
|
for dstport in ${SERVICESTCP2}; do
|
||||||
|
for srcip in ${PRIVILEGIEDIPS}; do
|
||||||
|
${IPT} -I MINIFW-DOCKER-PRIVILEGED -p tcp -s "${srcip}" --dport "${dstport}" -j RETURN
|
||||||
|
done
|
||||||
|
|
||||||
|
for srcip in ${TRUSTEDIPS}; do
|
||||||
|
${IPT} -I MINIFW-DOCKER-PRIVILEGED -p tcp -s "${srcip}" --dport "${dstport}" -j RETURN
|
||||||
|
done
|
||||||
|
done
|
||||||
|
|
||||||
|
for dstport in ${SERVICESUDP2}; do
|
||||||
|
for srcip in ${PRIVILEGIEDIPS}; do
|
||||||
|
${IPT} -I MINIFW-DOCKER-PRIVILEGED -p udp -s "${srcip}" --dport "${dstport}" -j RETURN
|
||||||
|
done
|
||||||
|
|
||||||
|
for srcip in ${TRUSTEDIPS}; do
|
||||||
|
${IPT} -I MINIFW-DOCKER-PRIVILEGED -p udp -s "${srcip}" --dport "${dstport}" -j RETURN
|
||||||
|
done
|
||||||
|
done
|
||||||
|
|
||||||
|
# Trusted services (accessible from trusted IPs)
|
||||||
|
for dstport in ${SERVICESTCP3}; do
|
||||||
|
for srcip in ${TRUSTEDIPS}; do
|
||||||
|
${IPT} -I MINIFW-DOCKER-TRUSTED -p tcp -s "${srcip}" --dport "${dstport}" -j RETURN
|
||||||
|
done
|
||||||
|
done
|
||||||
|
|
||||||
|
for dstport in ${SERVICESUDP3}; do
|
||||||
|
for srcip in ${TRUSTEDIPS}; do
|
||||||
|
${IPT} -I MINIFW-DOCKER-TRUSTED -p udp -s "${srcip}" --dport "${dstport}" -j RETURN
|
||||||
|
done
|
||||||
|
done
|
||||||
|
fi
|
||||||
|
|
||||||
|
# External services
|
||||||
|
###################
|
||||||
|
|
||||||
|
# DNS authorizations
|
||||||
|
for IP in ${DNSSERVEURS}; do
|
||||||
|
if is_ipv6 ${IP}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p tcp ! --syn --sport 53 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
${IPT6} -A INPUT -p udp --sport 53 --dport ${PORTSUSER} -s ${IP} -m state --state ESTABLISHED,RELATED -j ACCEPT
|
||||||
|
${IPT6} -A OUTPUT -o ${INT} -p udp -d ${IP} --dport 53 --match state --state NEW -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -A INPUT -p tcp ! --syn --sport 53 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
${IPT} -A INPUT -p udp --sport 53 --dport ${PORTSUSER} -s ${IP} -m state --state ESTABLISHED,RELATED -j ACCEPT
|
||||||
|
${IPT} -A OUTPUT -o ${INT} -p udp -d ${IP} --dport 53 --match state --state NEW -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# HTTP (TCP/80) authorizations
|
||||||
|
for IP in ${HTTPSITES}; do
|
||||||
|
if is_ipv6 ${IP}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p tcp ! --syn --sport 80 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -A INPUT -p tcp ! --syn --sport 80 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# HTTPS (TCP/443) authorizations
|
||||||
|
for IP in ${HTTPSSITES}; do
|
||||||
|
if is_ipv6 ${IP}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p tcp ! --syn --sport 443 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -A INPUT -p tcp ! --syn --sport 443 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# FTP (so complex protocol...) authorizations
|
||||||
|
for IP in ${FTPSITES}; do
|
||||||
|
if is_ipv6 ${IP}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
# requests on Control connection
|
||||||
|
${IPT6} -A INPUT -p tcp ! --syn --sport 21 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
# FTP port-mode on Data Connection
|
||||||
|
${IPT6} -A INPUT -p tcp --sport 20 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
# FTP passive-mode on Data Connection
|
||||||
|
# WARNING, this allow all connections on TCP ports > 1024
|
||||||
|
${IPT6} -A INPUT -p tcp ! --syn --sport ${PORTSUSER} --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
# requests on Control connection
|
||||||
|
${IPT} -A INPUT -p tcp ! --syn --sport 21 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
# FTP port-mode on Data Connection
|
||||||
|
${IPT} -A INPUT -p tcp --sport 20 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
# FTP passive-mode on Data Connection
|
||||||
|
# WARNING, this allow all connections on TCP ports > 1024
|
||||||
|
${IPT} -A INPUT -p tcp ! --syn --sport ${PORTSUSER} --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# SSH authorizations
|
||||||
|
for IP in ${SSHOK}; do
|
||||||
|
if is_ipv6 ${IP}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p tcp ! --syn --sport 22 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -A INPUT -p tcp ! --syn --sport 22 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# SMTP authorizations
|
||||||
|
for IP in ${SMTPOK}; do
|
||||||
|
if is_ipv6 ${IP}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p tcp ! --syn --sport 25 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -A INPUT -p tcp ! --syn --sport 25 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# secure SMTP (TCP/465 et TCP/587) authorizations
|
||||||
|
for IP in ${SMTPSECUREOK}; do
|
||||||
|
if is_ipv6 ${IP}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p tcp ! --syn --sport 465 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
${IPT6} -A INPUT -p tcp ! --syn --sport 587 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -A INPUT -p tcp ! --syn --sport 465 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
${IPT} -A INPUT -p tcp ! --syn --sport 587 --dport ${PORTSUSER} -s ${IP} -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# NTP authorizations
|
||||||
|
for IP in ${NTPOK}; do
|
||||||
|
if is_ipv6 ${IP}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p udp --sport 123 -s ${IP} -j ACCEPT
|
||||||
|
${IPT6} -A OUTPUT -o ${INT} -p udp -d ${IP} --dport 123 --match state --state NEW -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -A INPUT -p udp --sport 123 -s ${IP} -j ACCEPT
|
||||||
|
${IPT} -A OUTPUT -o ${INT} -p udp -d ${IP} --dport 123 --match state --state NEW -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# Proxy (Squid)
|
||||||
|
if is_proxy_enabled; then
|
||||||
|
# WARN: Squid only listen on IPv4 yet
|
||||||
|
# TODO: verify that the pattern used for IPv4 is relevant with IPv6
|
||||||
|
|
||||||
|
${IPT} -t nat -A OUTPUT -p tcp --dport 80 -m owner --uid-owner proxy -j ACCEPT
|
||||||
|
for dstip in ${PROXYBYPASS}; do
|
||||||
|
if ! is_ipv6 ${dstip}; then
|
||||||
|
${IPT} -t nat -A OUTPUT -p tcp --dport 80 -d "${dstip}" -j ACCEPT
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
${IPT} -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT --to-port "${PROXYPORT:-'8888'}"
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Output for backup servers
|
||||||
|
for server in ${BACKUPSERVERS}; do
|
||||||
|
server_port=$(echo "${server}" | awk -F : '{print $(NF)}')
|
||||||
|
server_ip=$(echo "${server}" | sed -e "s/:${server_port}$//")
|
||||||
|
|
||||||
|
if [ -n "${server_ip}" ] && [ -n "${server_port}" ]; then
|
||||||
|
if is_ipv6 ${server_ip}; then
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p tcp --sport "${server_port}" --dport 1024:65535 -s "${server_ip}" -m state --state ESTABLISHED,RELATED -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
${IPT} -A INPUT -p tcp --sport "${server_port}" --dport 1024:65535 -s "${server_ip}" -m state --state ESTABLISHED,RELATED -j ACCEPT
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
echo "Unrecognized syntax for BACKUPSERVERS '${server}\`. Use space-separated IP:PORT tuples." >&2
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
# Always allow ICMP
|
||||||
|
${IPT} -A INPUT -p icmp -j ACCEPT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A INPUT -p icmpv6 -j ACCEPT
|
||||||
|
fi
|
||||||
|
|
||||||
|
|
||||||
|
# IPTables policy
|
||||||
|
#################
|
||||||
|
|
||||||
|
# by default DROP INPUT packets
|
||||||
|
${IPT} -P INPUT DROP
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -P INPUT DROP
|
||||||
|
fi
|
||||||
|
|
||||||
|
# by default, no FORWARDING (deprecated for Virtual Machines)
|
||||||
|
#echo 0 > /proc/sys/net/ipv4/ip_forward
|
||||||
|
#${IPT} -P FORWARD DROP
|
||||||
|
#${IPT6} -P FORWARD DROP
|
||||||
|
|
||||||
|
# by default allow OUTPUT packets... but drop UDP packets (see OUTPUTDROP to drop OUTPUT packets)
|
||||||
|
${IPT} -P OUTPUT ACCEPT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -P OUTPUT ACCEPT
|
||||||
|
fi
|
||||||
|
|
||||||
|
${IPT} -A OUTPUT -o ${INT} -p udp --dport 33434:33523 --match state --state NEW -j ACCEPT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A OUTPUT -o ${INT} -p udp --dport 33434:33523 --match state --state NEW -j ACCEPT
|
||||||
|
fi
|
||||||
|
|
||||||
|
${IPT} -A OUTPUT -p udp --match state --state ESTABLISHED,RELATED -j ACCEPT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A OUTPUT -p udp --match state --state ESTABLISHED,RELATED -j ACCEPT
|
||||||
|
fi
|
||||||
|
|
||||||
|
${IPT} -A OUTPUT -p udp -j DROP
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -A OUTPUT -p udp -j DROP
|
||||||
|
fi
|
||||||
|
|
||||||
|
if is_legacy_config; then
|
||||||
|
source_file_or_error "${config_file}"
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Source files present in optional directory
|
||||||
|
source_includes
|
||||||
|
|
||||||
|
trap - INT TERM EXIT
|
||||||
|
|
||||||
|
echo "...starting IPTables rules is now finish : OK"
|
||||||
|
}
|
||||||
|
|
||||||
|
stop() {
|
||||||
|
echo "Flush all rules and accept everything..."
|
||||||
|
|
||||||
|
# Delete all rules
|
||||||
|
${IPT} -F INPUT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -F INPUT
|
||||||
|
fi
|
||||||
|
|
||||||
|
${IPT} -F OUTPUT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -F OUTPUT
|
||||||
|
fi
|
||||||
|
|
||||||
|
${IPT} -F LOG_DROP
|
||||||
|
${IPT} -F LOG_ACCEPT
|
||||||
|
${IPT} -F ONLYTRUSTED
|
||||||
|
${IPT} -F ONLYPRIVILEGIED
|
||||||
|
${IPT} -F NEEDRESTRICT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -F LOG_DROP
|
||||||
|
${IPT6} -F LOG_ACCEPT
|
||||||
|
${IPT6} -F ONLYTRUSTED
|
||||||
|
${IPT6} -F ONLYPRIVILEGIED
|
||||||
|
${IPT6} -F NEEDRESTRICT
|
||||||
|
fi
|
||||||
|
|
||||||
|
${IPT} -t mangle -F
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -t mangle -F
|
||||||
|
fi
|
||||||
|
|
||||||
|
if is_docker_enabled; then
|
||||||
|
# WARN: IPv6 not yet supported
|
||||||
|
|
||||||
|
${IPT} -F DOCKER-USER
|
||||||
|
${IPT} -A DOCKER-USER -j RETURN
|
||||||
|
|
||||||
|
${IPT} -F MINIFW-DOCKER-PUB
|
||||||
|
${IPT} -X MINIFW-DOCKER-PUB
|
||||||
|
${IPT} -F MINIFW-DOCKER-PRIVILEGED
|
||||||
|
${IPT} -X MINIFW-DOCKER-PRIVILEGED
|
||||||
|
${IPT} -F MINIFW-DOCKER-TRUSTED
|
||||||
|
${IPT} -X MINIFW-DOCKER-TRUSTED
|
||||||
|
else
|
||||||
|
${IPT} -t nat -F
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Accept all
|
||||||
|
${IPT} -P INPUT ACCEPT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -P INPUT ACCEPT
|
||||||
|
fi
|
||||||
|
|
||||||
|
${IPT} -P OUTPUT ACCEPT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -P OUTPUT ACCEPT
|
||||||
|
fi
|
||||||
|
#${IPT} -P FORWARD ACCEPT
|
||||||
|
#${IPT} -t nat -P PREROUTING ACCEPT
|
||||||
|
#${IPT} -t nat -P POSTROUTING ACCEPT
|
||||||
|
|
||||||
|
# Delete non-standard chains
|
||||||
|
${IPT} -X LOG_DROP
|
||||||
|
${IPT} -X LOG_ACCEPT
|
||||||
|
${IPT} -X ONLYPRIVILEGIED
|
||||||
|
${IPT} -X ONLYTRUSTED
|
||||||
|
${IPT} -X NEEDRESTRICT
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -X LOG_DROP
|
||||||
|
${IPT6} -X LOG_ACCEPT
|
||||||
|
${IPT6} -X ONLYPRIVILEGIED
|
||||||
|
${IPT6} -X ONLYTRUSTED
|
||||||
|
${IPT6} -X NEEDRESTRICT
|
||||||
|
fi
|
||||||
|
|
||||||
|
echo "...flushing IPTables rules is now finish : OK"
|
||||||
|
}
|
||||||
|
|
||||||
|
status() {
|
||||||
|
${IPT} -L -n -v --line-numbers
|
||||||
|
${IPT} -t nat -L -n -v --line-numbers
|
||||||
|
${IPT} -t mangle -L -n -v --line-numbers
|
||||||
|
${IPT6} -L -n -v --line-numbers
|
||||||
|
${IPT6} -t mangle -L -n -v --line-numbers
|
||||||
|
}
|
||||||
|
|
||||||
|
reset() {
|
||||||
|
echo "Reset all IPTables counters..."
|
||||||
|
|
||||||
|
${IPT} -Z
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -Z
|
||||||
|
fi
|
||||||
|
|
||||||
|
${IPT} -t nat -Z
|
||||||
|
|
||||||
|
${IPT} -t mangle -Z
|
||||||
|
if is_ipv6_enabled; then
|
||||||
|
${IPT6} -t mangle -Z
|
||||||
|
fi
|
||||||
|
|
||||||
|
echo "...reseting IPTables counters is now finish : OK"
|
||||||
|
}
|
||||||
|
|
||||||
|
echo "${NAME} version ${VERSION}"
|
||||||
|
source_configuration
|
||||||
|
|
||||||
|
case "${1:-''}" in
|
||||||
|
start)
|
||||||
|
start
|
||||||
|
;;
|
||||||
|
|
||||||
|
stop)
|
||||||
|
stop
|
||||||
|
;;
|
||||||
|
|
||||||
|
status)
|
||||||
|
status
|
||||||
|
;;
|
||||||
|
|
||||||
|
reset)
|
||||||
|
reset
|
||||||
|
;;
|
||||||
|
|
||||||
|
restart)
|
||||||
|
stop
|
||||||
|
start
|
||||||
|
;;
|
||||||
|
|
||||||
|
*)
|
||||||
|
echo "Usage: $0 {start|stop|restart|status|reset}"
|
||||||
|
exit 1
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
|
||||||
|
exit 0
|
|
@ -1,31 +1,37 @@
|
||||||
# Configuration for minifirewall : https://gitea.evolix.org/evolix/minifirewall
|
# Configuration for minifirewall : https://gitea.evolix.org/evolix/minifirewall
|
||||||
# Version 20.12 — 2020-12-01 22:55:35
|
# Version 22.03.1 — 2022-03-15
|
||||||
|
# shellcheck shell=sh disable=SC2034
|
||||||
|
|
||||||
# Main interface
|
# Main interface
|
||||||
INT='eth0'
|
INT='eth0'
|
||||||
|
|
||||||
# IPv6
|
# IPv6
|
||||||
IPV6=on
|
IPV6='on'
|
||||||
|
|
||||||
# Docker Mode
|
# Docker Mode
|
||||||
# Changes the behaviour of minifirewall to not break the containers' network
|
# Changes the behaviour of minifirewall to not break the containers' network
|
||||||
# For instance, turning it on will disable nat table purge
|
# For instance, turning it on will disable nat table purge
|
||||||
# Also, we'll add the DOCKER-USER chain, in iptable
|
# Also, we'll add the DOCKER-USER chain, in iptables
|
||||||
|
#
|
||||||
|
# WARNING : If the port mapping is different between the host and the container
|
||||||
|
# (ie: Listen on :8090 on host, but :8080 in container)
|
||||||
|
# then you need to give the port used inside the container
|
||||||
DOCKER='off'
|
DOCKER='off'
|
||||||
|
|
||||||
# Trusted IPv4 local network
|
# Trusted local network
|
||||||
# ...will be often IP/32 if you don't trust anything
|
# ...will be often IPv4/32 or IPv6/128 if you don't trust anything
|
||||||
INTLAN='192.168.0.2/32'
|
INTLAN='192.0.2.1/32 2001:db8::1/128'
|
||||||
|
|
||||||
# Trusted IPv4 addresses for private and semi-public services
|
# Trusted IP addresses for private and semi-public services
|
||||||
TRUSTEDIPS='31.170.9.129 62.212.121.90 31.170.8.4 82.65.34.85 54.37.106.210 51.210.84.146'
|
# TODO: add all our IPv6 adresses
|
||||||
|
TRUSTEDIPS='31.170.9.129 2a01:9500:37:129::/64 62.212.121.90 31.170.8.4 2a01:9500::fada/128 82.65.34.85 54.37.106.210 51.210.84.146'
|
||||||
|
|
||||||
# Privilegied IPv4 addresses for semi-public services
|
# Privilegied IP addresses for semi-public services
|
||||||
# (no need to add again TRUSTEDIPS)
|
# (no need to add again TRUSTEDIPS)
|
||||||
PRIVILEGIEDIPS=''
|
PRIVILEGIEDIPS=''
|
||||||
|
|
||||||
|
|
||||||
# Local services IPv4/IPv6 restrictions
|
# Local services IP restrictions
|
||||||
#######################################
|
#######################################
|
||||||
|
|
||||||
# Protected services
|
# Protected services
|
||||||
|
@ -45,62 +51,86 @@ SERVICESUDP2=''
|
||||||
SERVICESTCP3='5666'
|
SERVICESTCP3='5666'
|
||||||
SERVICESUDP3=''
|
SERVICESUDP3=''
|
||||||
|
|
||||||
# Standard output IPv4 access restrictions
|
|
||||||
|
# Standard output IPv4/IPv6 access restrictions
|
||||||
##########################################
|
##########################################
|
||||||
|
|
||||||
# DNS authorizations
|
# DNS authorizations
|
||||||
# (if you have local DNS server, set 0.0.0.0/0)
|
# (if you have local DNS server, set 0.0.0.0/0)
|
||||||
DNSSERVEURS='0.0.0.0/0'
|
DNSSERVEURS='0.0.0.0/0 ::/0'
|
||||||
|
|
||||||
# HTTP authorizations
|
# HTTP authorizations
|
||||||
# (you can use DNS names but set cron to reload minifirewall regularly)
|
# (you can use DNS names but set cron to reload minifirewall regularly)
|
||||||
# (if you have HTTP proxy, set 0.0.0.0/0)
|
# (if you have HTTP proxy, set 0.0.0.0/0)
|
||||||
# HTTPSITES='security.debian.org pub.evolix.net security-cdn.debian.org mirror.evolix.org backports.debian.org hwraid.le-vert.net antispam00.evolix.org spamassassin.apache.org sa-update.space-pro.be sa-update.secnap.net www.sa-update.pccc.com sa-update.dnswl.org ocsp.int-x3.letsencrypt.org'
|
HTTPSITES='0.0.0.0/0 ::/0'
|
||||||
HTTPSITES='0.0.0.0/0'
|
|
||||||
|
|
||||||
# HTTPS authorizations
|
# HTTPS authorizations
|
||||||
HTTPSSITES='0.0.0.0/0'
|
HTTPSSITES='0.0.0.0/0 ::/0'
|
||||||
|
|
||||||
# FTP authorizations
|
# FTP authorizations
|
||||||
FTPSITES=''
|
FTPSITES=''
|
||||||
|
|
||||||
# SSH authorizations
|
# SSH authorizations
|
||||||
SSHOK='0.0.0.0/0'
|
SSHOK='0.0.0.0/0 ::/0'
|
||||||
|
|
||||||
# SMTP authorizations
|
# SMTP authorizations
|
||||||
SMTPOK='0.0.0.0/0'
|
SMTPOK='0.0.0.0/0 ::/0'
|
||||||
|
|
||||||
# SMTP secure authorizations (ports TCP/465 and TCP/587)
|
# SMTP secure authorizations (ports TCP/465 and TCP/587)
|
||||||
SMTPSECUREOK=''
|
SMTPSECUREOK=''
|
||||||
|
|
||||||
# NTP authorizations
|
# NTP authorizations
|
||||||
NTPOK='0.0.0.0/0'
|
NTPOK='0.0.0.0/0 ::/0'
|
||||||
|
|
||||||
|
# Proxy (Squid)
|
||||||
|
PROXY='off'
|
||||||
|
# (proxy port)
|
||||||
|
PROXYPORT='8888'
|
||||||
|
# (destinations that bypass the proxy)
|
||||||
|
PROXYBYPASS="${INTLAN} 127.0.0.0/8 ::1/128"
|
||||||
|
|
||||||
|
# Backup servers
|
||||||
|
# (add IP:PORT for each one, example: '192.168.10.1:1234 192.168.10.2:5678')
|
||||||
|
BACKUPSERVERS=''
|
||||||
|
|
||||||
|
|
||||||
# IPv6 Specific rules
|
# Includes
|
||||||
#####################
|
#####################
|
||||||
|
|
||||||
# Example: allow SSH from Trusted IPv6 addresses
|
# Files in /etc/minifirewall.d/* (without "." in name)
|
||||||
/sbin/ip6tables -A INPUT -i $INT -p tcp --dport 22 -s 2a01:9500:37:129::/64 -j ACCEPT
|
# are automatically included in alphanumerical order.
|
||||||
|
#
|
||||||
|
# Within included files, you can use those helper functions :
|
||||||
|
# * is_ipv6_enabled: returns true if IPv6 is enabled, or false
|
||||||
|
# * is_docker_enabled: returns true if Docker mode is eabled, or false
|
||||||
|
# * is_proxy_enabled: returns true if Proxy mode is enabled , or false
|
||||||
|
|
||||||
# Example: allow outgoing SSH/HTTP/HTTPS/SMTP/DNS traffic
|
|
||||||
/sbin/ip6tables -A INPUT -i $INT -p tcp --sport 22 --match state --state ESTABLISHED,RELATED -j ACCEPT
|
|
||||||
/sbin/ip6tables -A INPUT -i $INT -p tcp --sport 80 --match state --state ESTABLISHED,RELATED -j ACCEPT
|
|
||||||
/sbin/ip6tables -A INPUT -i $INT -p tcp --sport 443 --match state --state ESTABLISHED,RELATED -j ACCEPT
|
|
||||||
/sbin/ip6tables -A INPUT -i $INT -p tcp --sport 25 --match state --state ESTABLISHED,RELATED -j ACCEPT
|
|
||||||
/sbin/ip6tables -A INPUT -i $INT -p udp --sport 53 --match state --state ESTABLISHED,RELATED -j ACCEPT
|
|
||||||
/sbin/ip6tables -A INPUT -i $INT -p tcp --sport 53 --match state --state ESTABLISHED,RELATED -j ACCEPT
|
|
||||||
|
|
||||||
# Example: allow output DNS, NTP and traceroute traffic
|
# Custom sysctl values (advanced)
|
||||||
/sbin/ip6tables -A OUTPUT -o $INT -p udp --dport 53 --match state --state NEW -j ACCEPT
|
#################################
|
||||||
/sbin/ip6tables -A OUTPUT -o $INT -p udp --dport 123 --match state --state NEW -j ACCEPT
|
|
||||||
#/sbin/ip6tables -A OUTPUT -o $INT -p udp --dport 33434:33523 --match state --state NEW -j ACCEPT
|
|
||||||
|
|
||||||
# Example: allow DHCPv6
|
# In most cases, the default values set by minifirewall are good.
|
||||||
/sbin/ip6tables -A INPUT -i $INT -p udp --dport 546 -d fe80::/64 -j ACCEPT
|
# If you really know what you are doing,
|
||||||
/sbin/ip6tables -A OUTPUT -o $INT -p udp --dport 547 -j ACCEPT
|
# you can uncomment some lines and customize the values.
|
||||||
|
|
||||||
# IPv4 Specific rules
|
# Set 1 to ignore broadcast pings (default)
|
||||||
#####################
|
# SYSCTL_ICMP_ECHO_IGNORE_BROADCASTS='1'
|
||||||
|
|
||||||
# /sbin/iptables ...
|
# Set 1 to ignore bogus ICMP responses (default)
|
||||||
|
# SYSCTL_ICMP_IGNORE_BOGUS_ERROR_RESPONSES='1'
|
||||||
|
|
||||||
|
# Set 0 to disable source routing (default)
|
||||||
|
# SYSCTL_ACCEPT_SOURCE_ROUTE='0'
|
||||||
|
|
||||||
|
# Set 1 to enable TCP SYN cookies (default)
|
||||||
|
# SYSCTL_TCP_SYNCOOKIES='1'
|
||||||
|
|
||||||
|
# Set 0 to disable ICMP redirects (default)
|
||||||
|
# SYSCTL_ICMP_REDIRECTS='0'
|
||||||
|
|
||||||
|
# Set 1 to enable Reverse Path filtering (default)
|
||||||
|
# Set 0 if VRRP is used
|
||||||
|
# SYSCTL_RP_FILTER='1'
|
||||||
|
|
||||||
|
# Set 1 to log packets with inconsistent address (default)
|
||||||
|
# SYSCTL_LOG_MARTIANS='1'
|
|
@ -9,11 +9,12 @@
|
||||||
|
|
||||||
- name: Stat minifirewall config file (before)
|
- name: Stat minifirewall config file (before)
|
||||||
stat:
|
stat:
|
||||||
path: "{{ minifirewall_main_file }}"
|
path: "/etc/default/minifirewall"
|
||||||
register: minifirewall_before
|
register: minifirewall_before
|
||||||
|
|
||||||
- name: Check if minifirewall is running
|
- name: Check if minifirewall is running
|
||||||
shell: /sbin/iptables -L -n | grep -E "^(DROP\s+udp|ACCEPT\s+icmp)\s+--\s+0\.0\.0\.0\/0\s+0\.0\.0\.0\/0\s*$"
|
shell:
|
||||||
|
cmd: /sbin/iptables -L -n | grep -E "^(DROP\s+udp|ACCEPT\s+icmp)\s+--\s+0\.0\.0\.0\/0\s+0\.0\.0\.0\/0\s*$"
|
||||||
changed_when: False
|
changed_when: False
|
||||||
failed_when: False
|
failed_when: False
|
||||||
check_mode: no
|
check_mode: no
|
||||||
|
@ -25,14 +26,14 @@
|
||||||
|
|
||||||
- name: Begin marker for IP addresses
|
- name: Begin marker for IP addresses
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "# BEGIN ANSIBLE MANAGED BLOCK FOR IPS"
|
line: "# BEGIN ANSIBLE MANAGED BLOCK FOR IPS"
|
||||||
insertbefore: '^# Main interface'
|
insertbefore: '^# Main interface'
|
||||||
create: no
|
create: no
|
||||||
|
|
||||||
- name: End marker for IP addresses
|
- name: End marker for IP addresses
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
create: no
|
create: no
|
||||||
line: "# END ANSIBLE MANAGED BLOCK FOR IPS"
|
line: "# END ANSIBLE MANAGED BLOCK FOR IPS"
|
||||||
insertafter: '^PRIVILEGIEDIPS='
|
insertafter: '^PRIVILEGIEDIPS='
|
||||||
|
@ -43,12 +44,16 @@
|
||||||
msg: You must provide at least 1 trusted IP
|
msg: You must provide at least 1 trusted IP
|
||||||
|
|
||||||
- debug:
|
- debug:
|
||||||
msg: "Warning: minifirewall_trusted_ips='0.0.0.0/0', the firewall is useless!"
|
msg: "Warning: minifirewall_trusted_ips contains '0.0.0.0/0', the firewall is useless on IPv4!"
|
||||||
when: minifirewall_trusted_ips == ["0.0.0.0/0"]
|
when: "'0.0.0.0/0' in minifirewall_trusted_ips"
|
||||||
|
|
||||||
|
- debug:
|
||||||
|
msg: "Warning: minifirewall_trusted_ips contains '::/0', the firewall is useless on IPv6!"
|
||||||
|
when: "'::/0' in minifirewall_trusted_ips"
|
||||||
|
|
||||||
- name: Configure IP addresses
|
- name: Configure IP addresses
|
||||||
blockinfile:
|
blockinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
marker: "# {mark} ANSIBLE MANAGED BLOCK FOR IPS"
|
marker: "# {mark} ANSIBLE MANAGED BLOCK FOR IPS"
|
||||||
block: |
|
block: |
|
||||||
# Main interface
|
# Main interface
|
||||||
|
@ -60,8 +65,12 @@
|
||||||
# Docker Mode
|
# Docker Mode
|
||||||
# Changes the behaviour of minifirewall to not break the containers' network
|
# Changes the behaviour of minifirewall to not break the containers' network
|
||||||
# For instance, turning it on will disable nat table purge
|
# For instance, turning it on will disable nat table purge
|
||||||
# Also, we'll add the DOCKER-USER chain, in iptable
|
# Also, we'll add the DOCKER-USER chain, in iptables
|
||||||
DOCKER='{{ minifirewall_docker }}'
|
#
|
||||||
|
# WARNING : If the port mapping is different between the host and the container
|
||||||
|
# (ie: Listen on :8090 on host, but :8080 in container)
|
||||||
|
# then you need to give the port used inside the container
|
||||||
|
DOCKER='off'
|
||||||
|
|
||||||
# Trusted IPv4 local network
|
# Trusted IPv4 local network
|
||||||
# ...will be often IP/32 if you don't trust anything
|
# ...will be often IP/32 if you don't trust anything
|
||||||
|
@ -78,21 +87,21 @@
|
||||||
|
|
||||||
- name: Begin marker for ports
|
- name: Begin marker for ports
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "# BEGIN ANSIBLE MANAGED BLOCK FOR PORTS"
|
line: "# BEGIN ANSIBLE MANAGED BLOCK FOR PORTS"
|
||||||
insertbefore: '^# Protected services'
|
insertbefore: '^# Protected services'
|
||||||
create: no
|
create: no
|
||||||
|
|
||||||
- name: End marker for ports
|
- name: End marker for ports
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "# END ANSIBLE MANAGED BLOCK FOR PORTS"
|
line: "# END ANSIBLE MANAGED BLOCK FOR PORTS"
|
||||||
insertafter: '^SERVICESUDP3='
|
insertafter: '^SERVICESUDP3='
|
||||||
create: no
|
create: no
|
||||||
|
|
||||||
- name: Configure ports
|
- name: Configure ports
|
||||||
blockinfile:
|
blockinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
marker: "# {mark} ANSIBLE MANAGED BLOCK FOR PORTS"
|
marker: "# {mark} ANSIBLE MANAGED BLOCK FOR PORTS"
|
||||||
block: |
|
block: |
|
||||||
# Protected services
|
# Protected services
|
||||||
|
@ -116,7 +125,7 @@
|
||||||
|
|
||||||
- name: Configure DNSSERVEURS
|
- name: Configure DNSSERVEURS
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "DNSSERVEURS='{{ minifirewall_dns_servers | join(' ') }}'"
|
line: "DNSSERVEURS='{{ minifirewall_dns_servers | join(' ') }}'"
|
||||||
regexp: "DNSSERVEURS='.*'"
|
regexp: "DNSSERVEURS='.*'"
|
||||||
create: no
|
create: no
|
||||||
|
@ -124,7 +133,7 @@
|
||||||
|
|
||||||
- name: Configure HTTPSITES
|
- name: Configure HTTPSITES
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "HTTPSITES='{{ minifirewall_http_sites | join(' ') }}'"
|
line: "HTTPSITES='{{ minifirewall_http_sites | join(' ') }}'"
|
||||||
regexp: "HTTPSITES='.*'"
|
regexp: "HTTPSITES='.*'"
|
||||||
create: no
|
create: no
|
||||||
|
@ -132,7 +141,7 @@
|
||||||
|
|
||||||
- name: Configure HTTPSSITES
|
- name: Configure HTTPSSITES
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "HTTPSSITES='{{ minifirewall_https_sites | join(' ') }}'"
|
line: "HTTPSSITES='{{ minifirewall_https_sites | join(' ') }}'"
|
||||||
regexp: "HTTPSSITES='.*'"
|
regexp: "HTTPSSITES='.*'"
|
||||||
create: no
|
create: no
|
||||||
|
@ -140,7 +149,7 @@
|
||||||
|
|
||||||
- name: Configure FTPSITES
|
- name: Configure FTPSITES
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "FTPSITES='{{ minifirewall_ftp_sites | join(' ') }}'"
|
line: "FTPSITES='{{ minifirewall_ftp_sites | join(' ') }}'"
|
||||||
regexp: "FTPSITES='.*'"
|
regexp: "FTPSITES='.*'"
|
||||||
create: no
|
create: no
|
||||||
|
@ -148,7 +157,7 @@
|
||||||
|
|
||||||
- name: Configure SSHOK
|
- name: Configure SSHOK
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "SSHOK='{{ minifirewall_ssh_ok | join(' ') }}'"
|
line: "SSHOK='{{ minifirewall_ssh_ok | join(' ') }}'"
|
||||||
regexp: "SSHOK='.*'"
|
regexp: "SSHOK='.*'"
|
||||||
create: no
|
create: no
|
||||||
|
@ -156,7 +165,7 @@
|
||||||
|
|
||||||
- name: Configure SMTPOK
|
- name: Configure SMTPOK
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "SMTPOK='{{ minifirewall_smtp_ok | join(' ') }}'"
|
line: "SMTPOK='{{ minifirewall_smtp_ok | join(' ') }}'"
|
||||||
regexp: "SMTPOK='.*'"
|
regexp: "SMTPOK='.*'"
|
||||||
create: no
|
create: no
|
||||||
|
@ -164,7 +173,7 @@
|
||||||
|
|
||||||
- name: Configure SMTPSECUREOK
|
- name: Configure SMTPSECUREOK
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "SMTPSECUREOK='{{ minifirewall_smtp_secure_ok | join(' ') }}'"
|
line: "SMTPSECUREOK='{{ minifirewall_smtp_secure_ok | join(' ') }}'"
|
||||||
regexp: "SMTPSECUREOK='.*'"
|
regexp: "SMTPSECUREOK='.*'"
|
||||||
create: no
|
create: no
|
||||||
|
@ -172,29 +181,15 @@
|
||||||
|
|
||||||
- name: Configure NTPOK
|
- name: Configure NTPOK
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "NTPOK='{{ minifirewall_ntp_ok | join(' ') }}'"
|
line: "NTPOK='{{ minifirewall_ntp_ok | join(' ') }}'"
|
||||||
regexp: "NTPOK='.*'"
|
regexp: "NTPOK='.*'"
|
||||||
create: no
|
create: no
|
||||||
when: minifirewall_ntp_ok is not none
|
when: minifirewall_ntp_ok is not none
|
||||||
|
|
||||||
- name: evomaintenance
|
|
||||||
lineinfile:
|
|
||||||
dest: "{{ minifirewall_main_file }}"
|
|
||||||
line: "/sbin/iptables -A INPUT -p tcp --sport 5432 --dport 1024:65535 -s {{ item }} -m state --state ESTABLISHED,RELATED -j ACCEPT"
|
|
||||||
insertafter: "^# EvoMaintenance"
|
|
||||||
loop: "{{ evomaintenance_hosts }}"
|
|
||||||
|
|
||||||
- name: remove minifirewall example rule for the evomaintenance
|
|
||||||
lineinfile:
|
|
||||||
dest: "{{ minifirewall_main_file }}"
|
|
||||||
regexp: '^#.*(--sport 5432).*(-s X\.X\.X\.X)'
|
|
||||||
state: absent
|
|
||||||
when: evomaintenance_hosts | length > 0
|
|
||||||
|
|
||||||
- name: Stat minifirewall config file (after)
|
- name: Stat minifirewall config file (after)
|
||||||
stat:
|
stat:
|
||||||
path: "{{ minifirewall_main_file }}"
|
path: "/etc/default/minifirewall"
|
||||||
register: minifirewall_after
|
register: minifirewall_after
|
||||||
|
|
||||||
- name: restart minifirewall
|
- name: restart minifirewall
|
||||||
|
|
|
@ -6,18 +6,26 @@
|
||||||
state: present
|
state: present
|
||||||
|
|
||||||
- name: init script is copied
|
- name: init script is copied
|
||||||
template:
|
copy:
|
||||||
src: minifirewall.j2
|
src: minifirewall
|
||||||
dest: /etc/init.d/minifirewall
|
dest: /etc/init.d/minifirewall
|
||||||
force: "{{ minifirewall_force_upgrade_script | default('no') }}"
|
force: "{{ minifirewall_force_upgrade_script | default('no') }}"
|
||||||
mode: "0700"
|
mode: "0700"
|
||||||
owner: root
|
owner: root
|
||||||
group: root
|
group: root
|
||||||
|
|
||||||
|
- name: include directory is present
|
||||||
|
file:
|
||||||
|
path: /etc/minifirewall.d/
|
||||||
|
state: directory
|
||||||
|
owner: root
|
||||||
|
group: root
|
||||||
|
mode: "0700"
|
||||||
|
|
||||||
- name: configuration is copied
|
- name: configuration is copied
|
||||||
copy:
|
copy:
|
||||||
src: minifirewall.conf
|
src: minifirewall.conf
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
force: "{{ minifirewall_force_upgrade_config | default('no') }}"
|
force: "{{ minifirewall_force_upgrade_config | default('no') }}"
|
||||||
mode: "0600"
|
mode: "0600"
|
||||||
owner: root
|
owner: root
|
||||||
|
|
|
@ -4,9 +4,15 @@
|
||||||
set_fact:
|
set_fact:
|
||||||
minifirewall_restart_handler_name: "{{ minifirewall_restart_if_needed | bool | ternary('restart minifirewall', 'restart minifirewall (noop)') }}"
|
minifirewall_restart_handler_name: "{{ minifirewall_restart_if_needed | bool | ternary('restart minifirewall', 'restart minifirewall (noop)') }}"
|
||||||
|
|
||||||
|
- name: Fail if minifirewall_main_file is defined
|
||||||
|
fail:
|
||||||
|
msg: "Variable minifirewall_main_file is deprecated and not configurable anymore."
|
||||||
|
when: minifirewall_main_file is defined
|
||||||
|
|
||||||
- include: install.yml
|
- include: install.yml
|
||||||
|
|
||||||
- include: config.yml
|
- include: config.yml
|
||||||
|
when: minifirewall_update_config | bool
|
||||||
|
|
||||||
- include: nrpe.yml
|
- include: nrpe.yml
|
||||||
|
|
||||||
|
|
|
@ -2,7 +2,7 @@
|
||||||
- name: Add some rules at the end of minifirewall file
|
- name: Add some rules at the end of minifirewall file
|
||||||
template:
|
template:
|
||||||
src: "{{ item }}"
|
src: "{{ item }}"
|
||||||
dest: "{{ minifirewall_tail_file }}"
|
dest: "/etc/minifirewall.d/{{ minifirewall_tail_file }}"
|
||||||
force: "{{ minifirewall_tail_force | bool }}"
|
force: "{{ minifirewall_tail_force | bool }}"
|
||||||
loop: "{{ query('first_found', templates) }}"
|
loop: "{{ query('first_found', templates) }}"
|
||||||
vars:
|
vars:
|
||||||
|
@ -17,18 +17,6 @@
|
||||||
var: minifirewall_tail_template
|
var: minifirewall_tail_template
|
||||||
verbosity: 1
|
verbosity: 1
|
||||||
|
|
||||||
- name: source minifirewall.tail at the end of the main file
|
|
||||||
blockinfile:
|
|
||||||
dest: "{{ minifirewall_main_file }}"
|
|
||||||
marker: "# {mark} ANSIBLE MANAGED EXTERNAL RULES"
|
|
||||||
block: ". {{ minifirewall_tail_file }}"
|
|
||||||
insertbefore: EOF
|
|
||||||
register: minifirewall_tail_source
|
|
||||||
|
|
||||||
- debug:
|
|
||||||
var: minifirewall_tail_source
|
|
||||||
verbosity: 1
|
|
||||||
|
|
||||||
- name: restart minifirewall
|
- name: restart minifirewall
|
||||||
# service:
|
# service:
|
||||||
# name: minifirewall
|
# name: minifirewall
|
||||||
|
|
|
@ -1,492 +0,0 @@
|
||||||
#!/bin/sh
|
|
||||||
|
|
||||||
# minifirewall is shellscripts for easy firewalling on a standalone server
|
|
||||||
# we used netfilter/iptables http://netfilter.org/ designed for recent Linux kernel
|
|
||||||
# See https://gitea.evolix.org/evolix/minifirewall
|
|
||||||
|
|
||||||
# Copyright (c) 2007-2020 Evolix
|
|
||||||
# This program is free software; you can redistribute it and/or
|
|
||||||
# modify it under the terms of the GNU General Public License
|
|
||||||
# as published by the Free Software Foundation; either version 3
|
|
||||||
# of the License.
|
|
||||||
|
|
||||||
# Description
|
|
||||||
# script for standalone server
|
|
||||||
|
|
||||||
# Start or stop minifirewall
|
|
||||||
#
|
|
||||||
|
|
||||||
### BEGIN INIT INFO
|
|
||||||
# Provides: minfirewall
|
|
||||||
# Required-Start:
|
|
||||||
# Required-Stop:
|
|
||||||
# Should-Start: $network $syslog $named
|
|
||||||
# Should-Stop: $syslog
|
|
||||||
# Default-Start: 2 3 4 5
|
|
||||||
# Default-Stop: 0 1 6
|
|
||||||
# Short-Description: start and stop the firewall
|
|
||||||
# Description: Firewall designed for standalone server
|
|
||||||
### END INIT INFO
|
|
||||||
|
|
||||||
DESC="minifirewall"
|
|
||||||
NAME="minifirewall"
|
|
||||||
|
|
||||||
|
|
||||||
# Variables configuration
|
|
||||||
#########################
|
|
||||||
|
|
||||||
# iptables paths
|
|
||||||
IPT=/sbin/iptables
|
|
||||||
IPT6=/sbin/ip6tables
|
|
||||||
|
|
||||||
# TCP/IP variables
|
|
||||||
LOOPBACK='127.0.0.0/8'
|
|
||||||
CLASSA='10.0.0.0/8'
|
|
||||||
CLASSB='172.16.0.0/12'
|
|
||||||
CLASSC='192.168.0.0/16'
|
|
||||||
CLASSD='224.0.0.0/4'
|
|
||||||
CLASSE='240.0.0.0/5'
|
|
||||||
ALL='0.0.0.0'
|
|
||||||
BROAD='255.255.255.255'
|
|
||||||
PORTSROOT='0:1023'
|
|
||||||
PORTSUSER='1024:65535'
|
|
||||||
|
|
||||||
chain_exists()
|
|
||||||
{
|
|
||||||
local chain_name="$1" ; shift
|
|
||||||
[ $# -eq 1 ] && local intable="--table $1"
|
|
||||||
iptables $intable -nL "$chain_name" >/dev/null 2>&1
|
|
||||||
}
|
|
||||||
|
|
||||||
# Configuration
|
|
||||||
oldconfigfile="/etc/firewall.rc"
|
|
||||||
configfile="{{ minifirewall_main_file }}"
|
|
||||||
|
|
||||||
IPV6=$(grep "IPV6=" {{ minifirewall_main_file }} | awk -F '=' -F "'" '{print $2}')
|
|
||||||
DOCKER=$(grep "DOCKER=" {{ minifirewall_main_file }} | awk -F '=' -F "'" '{print $2}')
|
|
||||||
INT=$(grep "INT=" {{ minifirewall_main_file }} | awk -F '=' -F "'" '{print $2}')
|
|
||||||
|
|
||||||
case "$1" in
|
|
||||||
start)
|
|
||||||
|
|
||||||
echo "Start IPTables rules..."
|
|
||||||
|
|
||||||
# Stop and warn if error!
|
|
||||||
set -e
|
|
||||||
trap 'echo "ERROR in minifirewall configuration (fix it now!) or script manipulation (fix yourself)." ' INT TERM EXIT
|
|
||||||
|
|
||||||
|
|
||||||
# sysctl network security settings
|
|
||||||
##################################
|
|
||||||
|
|
||||||
# Don't answer to broadcast pings
|
|
||||||
echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts
|
|
||||||
|
|
||||||
# Ignore bogus ICMP responses
|
|
||||||
echo 1 > /proc/sys/net/ipv4/icmp_ignore_bogus_error_responses
|
|
||||||
|
|
||||||
# Disable Source Routing
|
|
||||||
for i in /proc/sys/net/ipv4/conf/*/accept_source_route; do
|
|
||||||
echo 0 > $i
|
|
||||||
done
|
|
||||||
|
|
||||||
# Enable TCP SYN cookies to avoid TCP-SYN-FLOOD attacks
|
|
||||||
# cf http://cr.yp.to/syncookies.html
|
|
||||||
echo 1 > /proc/sys/net/ipv4/tcp_syncookies
|
|
||||||
|
|
||||||
# Disable ICMP redirects
|
|
||||||
for i in /proc/sys/net/ipv4/conf/*/accept_redirects; do
|
|
||||||
echo 0 > $i
|
|
||||||
done
|
|
||||||
|
|
||||||
for i in /proc/sys/net/ipv4/conf/*/send_redirects; do
|
|
||||||
echo 0 > $i
|
|
||||||
done
|
|
||||||
|
|
||||||
# Enable Reverse Path filtering : verify if responses use same network interface
|
|
||||||
for i in /proc/sys/net/ipv4/conf/*/rp_filter; do
|
|
||||||
echo 1 > $i
|
|
||||||
done
|
|
||||||
|
|
||||||
# log des paquets avec adresse incoherente
|
|
||||||
for i in /proc/sys/net/ipv4/conf/*/log_martians; do
|
|
||||||
echo 1 > $i
|
|
||||||
done
|
|
||||||
|
|
||||||
# IPTables configuration
|
|
||||||
########################
|
|
||||||
|
|
||||||
$IPT -N LOG_DROP
|
|
||||||
$IPT -A LOG_DROP -j LOG --log-prefix '[IPTABLES DROP] : '
|
|
||||||
$IPT -A LOG_DROP -j DROP
|
|
||||||
$IPT -N LOG_ACCEPT
|
|
||||||
$IPT -A LOG_ACCEPT -j LOG --log-prefix '[IPTABLES ACCEPT] : '
|
|
||||||
$IPT -A LOG_ACCEPT -j ACCEPT
|
|
||||||
|
|
||||||
if test -f $oldconfigfile; then
|
|
||||||
echo "$oldconfigfile is deprecated, rename to $configfile" >&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
|
|
||||||
if ! test -f $configfile; then
|
|
||||||
echo "$configfile does not exist" >&2
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
|
|
||||||
tmpfile=`mktemp`
|
|
||||||
. $configfile 2>$tmpfile >&2
|
|
||||||
if [ -s $tmpfile ]; then
|
|
||||||
echo "$configfile returns standard or error output (see below). Stopping." >&2
|
|
||||||
cat $tmpfile
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
rm $tmpfile
|
|
||||||
|
|
||||||
# Trusted ip addresses
|
|
||||||
$IPT -N ONLYTRUSTED
|
|
||||||
$IPT -A ONLYTRUSTED -j LOG_DROP
|
|
||||||
for x in $TRUSTEDIPS
|
|
||||||
do
|
|
||||||
$IPT -I ONLYTRUSTED -s $x -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
# Privilegied ip addresses
|
|
||||||
# (trusted ip addresses *are* privilegied)
|
|
||||||
$IPT -N ONLYPRIVILEGIED
|
|
||||||
$IPT -A ONLYPRIVILEGIED -j ONLYTRUSTED
|
|
||||||
for x in $PRIVILEGIEDIPS
|
|
||||||
do
|
|
||||||
$IPT -I ONLYPRIVILEGIED -s $x -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
# Chain for restrictions (blacklist IPs/ranges)
|
|
||||||
$IPT -N NEEDRESTRICT
|
|
||||||
|
|
||||||
# We allow all on loopback interface
|
|
||||||
$IPT -A INPUT -i lo -j ACCEPT
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -A INPUT -i lo -j ACCEPT
|
|
||||||
# if OUTPUTDROP
|
|
||||||
$IPT -A OUTPUT -o lo -j ACCEPT
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -A OUTPUT -o lo -j ACCEPT
|
|
||||||
|
|
||||||
# We avoid "martians" packets, typical when W32/Blaster virus
|
|
||||||
# attacked windowsupdate.com and DNS was changed to 127.0.0.1
|
|
||||||
# $IPT -t NAT -I PREROUTING -s $LOOPBACK -i ! lo -j DROP
|
|
||||||
$IPT -A INPUT -s $LOOPBACK ! -i lo -j DROP
|
|
||||||
|
|
||||||
|
|
||||||
if [ "$DOCKER" = "on" ]; then
|
|
||||||
|
|
||||||
$IPT -N MINIFW-DOCKER-TRUSTED
|
|
||||||
$IPT -A MINIFW-DOCKER-TRUSTED -j DROP
|
|
||||||
|
|
||||||
$IPT -N MINIFW-DOCKER-PRIVILEGED
|
|
||||||
$IPT -A MINIFW-DOCKER-PRIVILEGED -j MINIFW-DOCKER-TRUSTED
|
|
||||||
$IPT -A MINIFW-DOCKER-PRIVILEGED -j RETURN
|
|
||||||
|
|
||||||
$IPT -N MINIFW-DOCKER-PUB
|
|
||||||
$IPT -A MINIFW-DOCKER-PUB -j MINIFW-DOCKER-PRIVILEGED
|
|
||||||
$IPT -A MINIFW-DOCKER-PUB -j RETURN
|
|
||||||
|
|
||||||
# Flush DOCKER-USER if exist, create it if absent
|
|
||||||
if chain_exists 'DOCKER-USER'; then
|
|
||||||
$IPT -F DOCKER-USER
|
|
||||||
else
|
|
||||||
$IPT -N DOCKER-USER
|
|
||||||
fi;
|
|
||||||
|
|
||||||
# Pipe new connection through MINIFW-DOCKER-PUB
|
|
||||||
$IPT -A DOCKER-USER -i $INT -m state --state NEW -j MINIFW-DOCKER-PUB
|
|
||||||
$IPT -A DOCKER-USER -j RETURN
|
|
||||||
|
|
||||||
fi
|
|
||||||
|
|
||||||
|
|
||||||
# Local services restrictions
|
|
||||||
#############################
|
|
||||||
|
|
||||||
# Allow services for $INTLAN (local server or local network)
|
|
||||||
$IPT -A INPUT -s $INTLAN -j ACCEPT
|
|
||||||
|
|
||||||
# Enable protection chain for sensible services
|
|
||||||
for x in $SERVICESTCP1p
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p tcp --dport $x -j NEEDRESTRICT
|
|
||||||
done
|
|
||||||
|
|
||||||
for x in $SERVICESUDP1p
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p udp --dport $x -j NEEDRESTRICT
|
|
||||||
done
|
|
||||||
|
|
||||||
# Public service
|
|
||||||
for x in $SERVICESTCP1
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p tcp --dport $x -j ACCEPT
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -A INPUT -p tcp --dport $x -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
for x in $SERVICESUDP1
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p udp --dport $x -j ACCEPT
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -A INPUT -p udp --dport $x -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
# Privilegied services
|
|
||||||
for x in $SERVICESTCP2
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p tcp --dport $x -j ONLYPRIVILEGIED
|
|
||||||
done
|
|
||||||
|
|
||||||
for x in $SERVICESUDP2
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p udp --dport $x -j ONLYPRIVILEGIED
|
|
||||||
done
|
|
||||||
|
|
||||||
# Private services
|
|
||||||
for x in $SERVICESTCP3
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p tcp --dport $x -j ONLYTRUSTED
|
|
||||||
done
|
|
||||||
|
|
||||||
for x in $SERVICESUDP3
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p udp --dport $x -j ONLYTRUSTED
|
|
||||||
done
|
|
||||||
|
|
||||||
|
|
||||||
if [ "$DOCKER" = "on" ]; then
|
|
||||||
|
|
||||||
# Public services defined in SERVICESTCP1 & SERVICESUDP1
|
|
||||||
for dstport in $SERVICESTCP1
|
|
||||||
do
|
|
||||||
$IPT -I MINIFW-DOCKER-PUB -p tcp --dport "$dstport" -j RETURN
|
|
||||||
done
|
|
||||||
|
|
||||||
for dstport in $SERVICESUDP1
|
|
||||||
do
|
|
||||||
$IPT -I MINIFW-DOCKER-PUB -p udp --dport "$dstport" -j RETURN
|
|
||||||
done
|
|
||||||
|
|
||||||
# Privileged services (accessible from privileged & trusted IPs)
|
|
||||||
for dstport in $SERVICESTCP2
|
|
||||||
do
|
|
||||||
for srcip in $PRIVILEGIEDIPS
|
|
||||||
do
|
|
||||||
$IPT -I MINIFW-DOCKER-PRIVILEGED -p tcp -s "$srcip" --dport "$dstport" -j RETURN
|
|
||||||
done
|
|
||||||
|
|
||||||
for srcip in $TRUSTEDIPS
|
|
||||||
do
|
|
||||||
$IPT -I MINIFW-DOCKER-PRIVILEGED -p tcp -s "$srcip" --dport "$dstport" -j RETURN
|
|
||||||
done
|
|
||||||
done
|
|
||||||
|
|
||||||
for dstport in $SERVICESUDP2
|
|
||||||
do
|
|
||||||
for srcip in $PRIVILEGIEDIPS
|
|
||||||
do
|
|
||||||
$IPT -I MINIFW-DOCKER-PRIVILEGED -p udp -s "$srcip" --dport "$dstport" -j RETURN
|
|
||||||
done
|
|
||||||
|
|
||||||
for srcip in $TRUSTEDIPS
|
|
||||||
do
|
|
||||||
$IPT -I MINIFW-DOCKER-PRIVILEGED -p udp -s "$srcip" --dport "$dstport" -j RETURN
|
|
||||||
done
|
|
||||||
done
|
|
||||||
|
|
||||||
# Trusted services (accessible from trusted IPs)
|
|
||||||
for dstport in $SERVICESTCP3
|
|
||||||
do
|
|
||||||
for srcip in $TRUSTEDIPS
|
|
||||||
do
|
|
||||||
$IPT -I MINIFW-DOCKER-TRUSTED -p tcp -s "$srcip" --dport "$dstport" -j RETURN
|
|
||||||
done
|
|
||||||
done
|
|
||||||
|
|
||||||
for dstport in $SERVICESUDP3
|
|
||||||
do
|
|
||||||
for srcip in $TRUSTEDIPS
|
|
||||||
do
|
|
||||||
$IPT -I MINIFW-DOCKER-TRUSTED -p udp -s "$srcip" --dport "$dstport" -j RETURN
|
|
||||||
done
|
|
||||||
done
|
|
||||||
fi
|
|
||||||
|
|
||||||
# External services
|
|
||||||
###################
|
|
||||||
|
|
||||||
# DNS authorizations
|
|
||||||
for x in $DNSSERVEURS
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p tcp ! --syn --sport 53 --dport $PORTSUSER -s $x -j ACCEPT
|
|
||||||
$IPT -A INPUT -p udp --sport 53 --dport $PORTSUSER -s $x -m state --state ESTABLISHED,RELATED -j ACCEPT
|
|
||||||
$IPT -A OUTPUT -o $INT -p udp -d $x --dport 53 --match state --state NEW -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
# HTTP (TCP/80) authorizations
|
|
||||||
for x in $HTTPSITES
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p tcp ! --syn --sport 80 --dport $PORTSUSER -s $x -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
# HTTPS (TCP/443) authorizations
|
|
||||||
for x in $HTTPSSITES
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p tcp ! --syn --sport 443 --dport $PORTSUSER -s $x -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
# FTP (so complex protocol...) authorizations
|
|
||||||
for x in $FTPSITES
|
|
||||||
do
|
|
||||||
# requests on Control connection
|
|
||||||
$IPT -A INPUT -p tcp ! --syn --sport 21 --dport $PORTSUSER -s $x -j ACCEPT
|
|
||||||
# FTP port-mode on Data Connection
|
|
||||||
$IPT -A INPUT -p tcp --sport 20 --dport $PORTSUSER -s $x -j ACCEPT
|
|
||||||
# FTP passive-mode on Data Connection
|
|
||||||
# WARNING, this allow all connections on TCP ports > 1024
|
|
||||||
$IPT -A INPUT -p tcp ! --syn --sport $PORTSUSER --dport $PORTSUSER -s $x -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
# SSH authorizations
|
|
||||||
for x in $SSHOK
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p tcp ! --syn --sport 22 -s $x -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
# SMTP authorizations
|
|
||||||
for x in $SMTPOK
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p tcp ! --syn --sport 25 --dport $PORTSUSER -s $x -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
# secure SMTP (TCP/465 et TCP/587) authorizations
|
|
||||||
for x in $SMTPSECUREOK
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p tcp ! --syn --sport 465 --dport $PORTSUSER -s $x -j ACCEPT
|
|
||||||
$IPT -A INPUT -p tcp ! --syn --sport 587 --dport $PORTSUSER -s $x -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
# NTP authorizations
|
|
||||||
for x in $NTPOK
|
|
||||||
do
|
|
||||||
$IPT -A INPUT -p udp --sport 123 -s $x -j ACCEPT
|
|
||||||
$IPT -A OUTPUT -o $INT -p udp -d $x --dport 123 --match state --state NEW -j ACCEPT
|
|
||||||
done
|
|
||||||
|
|
||||||
# Always allow ICMP
|
|
||||||
$IPT -A INPUT -p icmp -j ACCEPT
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -A INPUT -p icmpv6 -j ACCEPT
|
|
||||||
|
|
||||||
|
|
||||||
# IPTables policy
|
|
||||||
#################
|
|
||||||
|
|
||||||
# by default DROP INPUT packets
|
|
||||||
$IPT -P INPUT DROP
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -P INPUT DROP
|
|
||||||
|
|
||||||
# by default, no FORWARING (deprecated for Virtual Machines)
|
|
||||||
#echo 0 > /proc/sys/net/ipv4/ip_forward
|
|
||||||
#$IPT -P FORWARD DROP
|
|
||||||
#$IPT6 -P FORWARD DROP
|
|
||||||
|
|
||||||
# by default allow OUTPUT packets... but drop UDP packets (see OUTPUTDROP to drop OUTPUT packets)
|
|
||||||
$IPT -P OUTPUT ACCEPT
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -P OUTPUT ACCEPT
|
|
||||||
$IPT -A OUTPUT -o $INT -p udp --dport 33434:33523 --match state --state NEW -j ACCEPT
|
|
||||||
$IPT -A OUTPUT -p udp --match state --state ESTABLISHED,RELATED -j ACCEPT
|
|
||||||
$IPT -A OUTPUT -p udp -j DROP
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -A OUTPUT -o $INT -p udp --dport 33434:33523 --match state --state NEW -j ACCEPT
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -A OUTPUT -p udp --match state --state ESTABLISHED,RELATED -j ACCEPT
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -A OUTPUT -p udp -j DROP
|
|
||||||
|
|
||||||
trap - INT TERM EXIT
|
|
||||||
|
|
||||||
echo "...starting IPTables rules is now finish : OK"
|
|
||||||
;;
|
|
||||||
|
|
||||||
stop)
|
|
||||||
|
|
||||||
echo "Flush all rules and accept everything..."
|
|
||||||
|
|
||||||
# Delete all rules
|
|
||||||
$IPT -F INPUT
|
|
||||||
$IPT -F OUTPUT
|
|
||||||
$IPT -F LOG_DROP
|
|
||||||
$IPT -F LOG_ACCEPT
|
|
||||||
$IPT -F ONLYTRUSTED
|
|
||||||
$IPT -F ONLYPRIVILEGIED
|
|
||||||
$IPT -F NEEDRESTRICT
|
|
||||||
[ "$DOCKER" = "off" ] && $IPT -t nat -F
|
|
||||||
$IPT -t mangle -F
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -F INPUT
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -F OUTPUT
|
|
||||||
|
|
||||||
if [ "$DOCKER" = "on" ]; then
|
|
||||||
$IPT -F DOCKER-USER
|
|
||||||
$IPT -A DOCKER-USER -j RETURN
|
|
||||||
|
|
||||||
$IPT -F MINIFW-DOCKER-PUB
|
|
||||||
$IPT -X MINIFW-DOCKER-PUB
|
|
||||||
$IPT -F MINIFW-DOCKER-PRIVILEGED
|
|
||||||
$IPT -X MINIFW-DOCKER-PRIVILEGED
|
|
||||||
$IPT -F MINIFW-DOCKER-TRUSTED
|
|
||||||
$IPT -X MINIFW-DOCKER-TRUSTED
|
|
||||||
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Accept all
|
|
||||||
$IPT -P INPUT ACCEPT
|
|
||||||
$IPT -P OUTPUT ACCEPT
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -P INPUT ACCEPT
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -P OUTPUT ACCEPT
|
|
||||||
#$IPT -P FORWARD ACCEPT
|
|
||||||
#$IPT -t nat -P PREROUTING ACCEPT
|
|
||||||
#$IPT -t nat -P POSTROUTING ACCEPT
|
|
||||||
|
|
||||||
# Delete non-standard chains
|
|
||||||
$IPT -X LOG_DROP
|
|
||||||
$IPT -X LOG_ACCEPT
|
|
||||||
$IPT -X ONLYPRIVILEGIED
|
|
||||||
$IPT -X ONLYTRUSTED
|
|
||||||
$IPT -X NEEDRESTRICT
|
|
||||||
|
|
||||||
echo "...flushing IPTables rules is now finish : OK"
|
|
||||||
;;
|
|
||||||
|
|
||||||
status)
|
|
||||||
|
|
||||||
$IPT -L -n -v --line-numbers
|
|
||||||
$IPT -t nat -L -n -v --line-numbers
|
|
||||||
$IPT -t mangle -L -n -v --line-numbers
|
|
||||||
$IPT6 -L -n -v --line-numbers
|
|
||||||
$IPT6 -t mangle -L -n -v --line-numbers
|
|
||||||
;;
|
|
||||||
|
|
||||||
reset)
|
|
||||||
|
|
||||||
echo "Reset all IPTables counters..."
|
|
||||||
|
|
||||||
$IPT -Z
|
|
||||||
$IPT -t nat -Z
|
|
||||||
$IPT -t mangle -Z
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -Z
|
|
||||||
[ "$IPV6" != "off" ] && $IPT6 -t mangle -Z
|
|
||||||
|
|
||||||
echo "...reseting IPTables counters is now finish : OK"
|
|
||||||
;;
|
|
||||||
|
|
||||||
restart)
|
|
||||||
|
|
||||||
$0 stop
|
|
||||||
$0 start
|
|
||||||
;;
|
|
||||||
|
|
||||||
*)
|
|
||||||
|
|
||||||
echo "Usage: $0 {start|stop|restart|status|reset|squid}"
|
|
||||||
exit 1
|
|
||||||
esac
|
|
||||||
|
|
||||||
exit 0
|
|
Loading…
Reference in a new issue