Release 22.05 #155
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@ -14,6 +14,7 @@ The **patch** part changes is incremented if multiple releases happen the same m
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||||||
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||||||
* etc-git: use "ansible-commit" to efficiently commit all available repositories (including /etc inside LXC) from Ansible
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* etc-git: use "ansible-commit" to efficiently commit all available repositories (including /etc inside LXC) from Ansible
|
||||||
* minifirewall: configure proxy/backup/sysctl values
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* minifirewall: configure proxy/backup/sysctl values
|
||||||
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* minifirewall: compatibility with "legacy" version of minifirewall
|
||||||
* nagios-nrpe: Add a check dhcp_pool
|
* nagios-nrpe: Add a check dhcp_pool
|
||||||
* redis : Activate overcommit sysctl
|
* redis : Activate overcommit sysctl
|
||||||
* munin: Add possibility to install local plugins, and install dhcp_pool plugin
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* munin: Add possibility to install local plugins, and install dhcp_pool plugin
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@ -1,9 +1,14 @@
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||||||
---
|
---
|
||||||
|
|
||||||
# Deprecated variable
|
# possible values: Null (default), modern or legacy
|
||||||
# minifirewall_main_file: /etc/default/minifirewall
|
minifirewall_install_mode: Null
|
||||||
|
|
||||||
minifirewall_tail_file: zzz-tail
|
# BEGIN legacy variables
|
||||||
|
minifirewall_legacy_main_file: /etc/default/minifirewall
|
||||||
|
minifirewall_legacy_tail_file: /etc/default/minifirewall.tail
|
||||||
|
# END legacy variabes
|
||||||
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|
||||||
|
minifirewall_tail_file: /etc/minifirewall.d/zzz-tail
|
||||||
minifirewall_tail_included: False
|
minifirewall_tail_included: False
|
||||||
minifirewall_tail_force: True
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minifirewall_tail_force: True
|
||||||
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|
||||||
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@ -14,17 +19,17 @@ minifirewall_force_upgrade_config: False
|
||||||
# Update specific values in configuration
|
# Update specific values in configuration
|
||||||
minifirewall_update_config: True
|
minifirewall_update_config: True
|
||||||
|
|
||||||
minifirewall_git_url: "https://forge.evolix.org/minifirewall.git"
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|
||||||
minifirewall_checkout_path: "/tmp/minifirewall"
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|
||||||
minifirewall_int: "{{ ansible_default_ipv4.interface }}"
|
minifirewall_int: "{{ ansible_default_ipv4.interface }}"
|
||||||
minifirewall_ipv6: "on"
|
minifirewall_ipv6: "on"
|
||||||
minifirewall_intlan: "{{ ansible_default_ipv4.address }}/32"
|
minifirewall_intlan: "{{ ansible_default_ipv4.address }}/32"
|
||||||
minifirewall_docker: "off"
|
minifirewall_docker: "off"
|
||||||
|
|
||||||
minifirewall_default_trusted_ips: []
|
minifirewall_default_trusted_ips: []
|
||||||
|
minifirewall_legacy_fallback_trusted_ips: ['0.0.0.0/0']
|
||||||
|
minifirewall_fallback_trusted_ips: ['0.0.0.0/0', '::/0']
|
||||||
minifirewall_additional_trusted_ips: []
|
minifirewall_additional_trusted_ips: []
|
||||||
# and default to ['0.0.0.0/0', '::/0'] if the result is still empty
|
# and default to ['0.0.0.0/0', '::/0'] if the result is still empty
|
||||||
minifirewall_trusted_ips: "{{ minifirewall_default_trusted_ips | union(minifirewall_additional_trusted_ips) | unique | default(['0.0.0.0/0', '::/0'], true) }}"
|
minifirewall_trusted_ips: "{{ minifirewall_default_trusted_ips | union(minifirewall_additional_trusted_ips) | unique }}"
|
||||||
minifirewall_privilegied_ips: []
|
minifirewall_privilegied_ips: []
|
||||||
|
|
||||||
minifirewall_protected_ports_tcp: [22]
|
minifirewall_protected_ports_tcp: [22]
|
||||||
|
|
106
minifirewall/files/minifirewall.legacy.conf
Normal file
106
minifirewall/files/minifirewall.legacy.conf
Normal file
|
@ -0,0 +1,106 @@
|
||||||
|
# Configuration for minifirewall : https://gitea.evolix.org/evolix/minifirewall
|
||||||
|
# Version 20.12 — 2020-12-01 22:55:35
|
||||||
|
|
||||||
|
# Main interface
|
||||||
|
INT='eth0'
|
||||||
|
|
||||||
|
# IPv6
|
||||||
|
IPV6=on
|
||||||
|
|
||||||
|
# Docker Mode
|
||||||
|
# Changes the behaviour of minifirewall to not break the containers' network
|
||||||
|
# For instance, turning it on will disable nat table purge
|
||||||
|
# Also, we'll add the DOCKER-USER chain, in iptable
|
||||||
|
DOCKER='off'
|
||||||
|
|
||||||
|
# Trusted IPv4 local network
|
||||||
|
# ...will be often IP/32 if you don't trust anything
|
||||||
|
INTLAN='192.168.0.2/32'
|
||||||
|
|
||||||
|
# Trusted IPv4 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'
|
||||||
|
|
||||||
|
# Privilegied IPv4 addresses for semi-public services
|
||||||
|
# (no need to add again TRUSTEDIPS)
|
||||||
|
PRIVILEGIEDIPS=''
|
||||||
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|
||||||
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|
||||||
|
# Local services IPv4/IPv6 restrictions
|
||||||
|
#######################################
|
||||||
|
|
||||||
|
# Protected services
|
||||||
|
# (add also in Public services if needed)
|
||||||
|
SERVICESTCP1p='22222'
|
||||||
|
SERVICESUDP1p=''
|
||||||
|
|
||||||
|
# Public services (IPv4/IPv6)
|
||||||
|
SERVICESTCP1='22222'
|
||||||
|
SERVICESUDP1=''
|
||||||
|
|
||||||
|
# Semi-public services (IPv4)
|
||||||
|
SERVICESTCP2='22'
|
||||||
|
SERVICESUDP2=''
|
||||||
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|
||||||
|
# Private services (IPv4)
|
||||||
|
SERVICESTCP3='5666'
|
||||||
|
SERVICESUDP3=''
|
||||||
|
|
||||||
|
# Standard output IPv4 access restrictions
|
||||||
|
##########################################
|
||||||
|
|
||||||
|
# DNS authorizations
|
||||||
|
# (if you have local DNS server, set 0.0.0.0/0)
|
||||||
|
DNSSERVEURS='0.0.0.0/0'
|
||||||
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|
||||||
|
# HTTP authorizations
|
||||||
|
# (you can use DNS names but set cron to reload minifirewall regularly)
|
||||||
|
# (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'
|
||||||
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|
||||||
|
# HTTPS authorizations
|
||||||
|
HTTPSSITES='0.0.0.0/0'
|
||||||
|
|
||||||
|
# FTP authorizations
|
||||||
|
FTPSITES=''
|
||||||
|
|
||||||
|
# SSH authorizations
|
||||||
|
SSHOK='0.0.0.0/0'
|
||||||
|
|
||||||
|
# SMTP authorizations
|
||||||
|
SMTPOK='0.0.0.0/0'
|
||||||
|
|
||||||
|
# SMTP secure authorizations (ports TCP/465 and TCP/587)
|
||||||
|
SMTPSECUREOK=''
|
||||||
|
|
||||||
|
# NTP authorizations
|
||||||
|
NTPOK='0.0.0.0/0'
|
||||||
|
|
||||||
|
|
||||||
|
# IPv6 Specific rules
|
||||||
|
#####################
|
||||||
|
|
||||||
|
# Example: allow SSH from Trusted IPv6 addresses
|
||||||
|
/sbin/ip6tables -A INPUT -i $INT -p tcp --dport 22 -s 2a01:9500:37:129::/64 -j ACCEPT
|
||||||
|
|
||||||
|
# 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
|
||||||
|
/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
|
||||||
|
/sbin/ip6tables -A INPUT -i $INT -p udp --dport 546 -d fe80::/64 -j ACCEPT
|
||||||
|
/sbin/ip6tables -A OUTPUT -o $INT -p udp --dport 547 -j ACCEPT
|
||||||
|
|
||||||
|
# IPv4 Specific rules
|
||||||
|
#####################
|
||||||
|
|
||||||
|
# /sbin/iptables ...
|
218
minifirewall/tasks/config.legacy.yml
Normal file
218
minifirewall/tasks/config.legacy.yml
Normal file
|
@ -0,0 +1,218 @@
|
||||||
|
---
|
||||||
|
|
||||||
|
- debug:
|
||||||
|
var: minifirewall_trusted_ips
|
||||||
|
verbosity: 1
|
||||||
|
- debug:
|
||||||
|
var: minifirewall_privilegied_ips
|
||||||
|
verbosity: 1
|
||||||
|
|
||||||
|
- name: Stat minifirewall config file (before)
|
||||||
|
stat:
|
||||||
|
path: "{{ minifirewall_main_file }}"
|
||||||
|
register: minifirewall_before
|
||||||
|
|
||||||
|
- name: Check if minifirewall is running
|
||||||
|
shell: /sbin/iptables -L -n | grep -E "^(DROP\s+udp|ACCEPT\s+icmp)\s+--\s+0\.0\.0\.0\/0\s+0\.0\.0\.0\/0\s*$"
|
||||||
|
changed_when: False
|
||||||
|
failed_when: False
|
||||||
|
check_mode: no
|
||||||
|
register: minifirewall_is_running
|
||||||
|
|
||||||
|
- debug:
|
||||||
|
var: minifirewall_is_running
|
||||||
|
verbosity: 1
|
||||||
|
|
||||||
|
- name: Begin marker for IP addresses
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
line: "# BEGIN ANSIBLE MANAGED BLOCK FOR IPS"
|
||||||
|
insertbefore: '^# Main interface'
|
||||||
|
create: no
|
||||||
|
|
||||||
|
- name: End marker for IP addresses
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
create: no
|
||||||
|
line: "# END ANSIBLE MANAGED BLOCK FOR IPS"
|
||||||
|
insertafter: '^PRIVILEGIEDIPS='
|
||||||
|
|
||||||
|
- name: Verify that at least 1 trusted IP is provided
|
||||||
|
assert:
|
||||||
|
that: minifirewall_trusted_ips | length > 0
|
||||||
|
msg: You must provide at least 1 trusted IP
|
||||||
|
|
||||||
|
- debug:
|
||||||
|
msg: "Warning: minifirewall_trusted_ips='0.0.0.0/0', the firewall is useless!"
|
||||||
|
when: minifirewall_trusted_ips == ["0.0.0.0/0"]
|
||||||
|
|
||||||
|
- name: Configure IP addresses
|
||||||
|
blockinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
marker: "# {mark} ANSIBLE MANAGED BLOCK FOR IPS"
|
||||||
|
block: |
|
||||||
|
# Main interface
|
||||||
|
INT='{{ minifirewall_int }}'
|
||||||
|
|
||||||
|
# IPv6
|
||||||
|
IPV6='{{ minifirewall_ipv6 }}'
|
||||||
|
|
||||||
|
# Docker Mode
|
||||||
|
# Changes the behaviour of minifirewall to not break the containers' network
|
||||||
|
# For instance, turning it on will disable nat table purge
|
||||||
|
# Also, we'll add the DOCKER-USER chain, in iptable
|
||||||
|
DOCKER='{{ minifirewall_docker }}'
|
||||||
|
|
||||||
|
# Trusted IPv4 local network
|
||||||
|
# ...will be often IP/32 if you don't trust anything
|
||||||
|
INTLAN='{{ minifirewall_intlan }}'
|
||||||
|
|
||||||
|
# Trusted IPv4 addresses for private and semi-public services
|
||||||
|
TRUSTEDIPS='{{ minifirewall_trusted_ips | join(' ') }}'
|
||||||
|
|
||||||
|
# Privilegied IPv4 addresses for semi-public services
|
||||||
|
# (no need to add again TRUSTEDIPS)
|
||||||
|
PRIVILEGIEDIPS='{{ minifirewall_privilegied_ips | join(' ') }}'
|
||||||
|
create: no
|
||||||
|
register: minifirewall_config_ips
|
||||||
|
|
||||||
|
- name: Begin marker for ports
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
line: "# BEGIN ANSIBLE MANAGED BLOCK FOR PORTS"
|
||||||
|
insertbefore: '^# Protected services'
|
||||||
|
create: no
|
||||||
|
|
||||||
|
- name: End marker for ports
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
line: "# END ANSIBLE MANAGED BLOCK FOR PORTS"
|
||||||
|
insertafter: '^SERVICESUDP3='
|
||||||
|
create: no
|
||||||
|
|
||||||
|
- name: Configure ports
|
||||||
|
blockinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
marker: "# {mark} ANSIBLE MANAGED BLOCK FOR PORTS"
|
||||||
|
block: |
|
||||||
|
# Protected services
|
||||||
|
# (add also in Public services if needed)
|
||||||
|
SERVICESTCP1p='{{ minifirewall_protected_ports_tcp | join(' ') }}'
|
||||||
|
SERVICESUDP1p='{{ minifirewall_protected_ports_udp | join(' ') }}'
|
||||||
|
|
||||||
|
# Public services (IPv4/IPv6)
|
||||||
|
SERVICESTCP1='{{ minifirewall_public_ports_tcp | join(' ') }}'
|
||||||
|
SERVICESUDP1='{{ minifirewall_public_ports_udp | join(' ') }}'
|
||||||
|
|
||||||
|
# Semi-public services (IPv4)
|
||||||
|
SERVICESTCP2='{{ minifirewall_semipublic_ports_tcp | join(' ') }}'
|
||||||
|
SERVICESUDP2='{{ minifirewall_semipublic_ports_udp | join(' ') }}'
|
||||||
|
|
||||||
|
# Private services (IPv4)
|
||||||
|
SERVICESTCP3='{{ minifirewall_private_ports_tcp | join(' ') }}'
|
||||||
|
SERVICESUDP3='{{ minifirewall_private_ports_udp | join(' ') }}'
|
||||||
|
create: no
|
||||||
|
register: minifirewall_config_ports
|
||||||
|
|
||||||
|
- name: Configure DNSSERVEURS
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
line: "DNSSERVEURS='{{ minifirewall_dns_servers | join(' ') }}'"
|
||||||
|
regexp: "DNSSERVEURS='.*'"
|
||||||
|
create: no
|
||||||
|
when: minifirewall_dns_servers is not none
|
||||||
|
|
||||||
|
- name: Configure HTTPSITES
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
line: "HTTPSITES='{{ minifirewall_http_sites | join(' ') }}'"
|
||||||
|
regexp: "HTTPSITES='.*'"
|
||||||
|
create: no
|
||||||
|
when: minifirewall_http_sites is not none
|
||||||
|
|
||||||
|
- name: Configure HTTPSSITES
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
line: "HTTPSSITES='{{ minifirewall_https_sites | join(' ') }}'"
|
||||||
|
regexp: "HTTPSSITES='.*'"
|
||||||
|
create: no
|
||||||
|
when: minifirewall_https_sites is not none
|
||||||
|
|
||||||
|
- name: Configure FTPSITES
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
line: "FTPSITES='{{ minifirewall_ftp_sites | join(' ') }}'"
|
||||||
|
regexp: "FTPSITES='.*'"
|
||||||
|
create: no
|
||||||
|
when: minifirewall_ftp_sites is not none
|
||||||
|
|
||||||
|
- name: Configure SSHOK
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
line: "SSHOK='{{ minifirewall_ssh_ok | join(' ') }}'"
|
||||||
|
regexp: "SSHOK='.*'"
|
||||||
|
create: no
|
||||||
|
when: minifirewall_ssh_ok is not none
|
||||||
|
|
||||||
|
- name: Configure SMTPOK
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
line: "SMTPOK='{{ minifirewall_smtp_ok | join(' ') }}'"
|
||||||
|
regexp: "SMTPOK='.*'"
|
||||||
|
create: no
|
||||||
|
when: minifirewall_smtp_ok is not none
|
||||||
|
|
||||||
|
- name: Configure SMTPSECUREOK
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
line: "SMTPSECUREOK='{{ minifirewall_smtp_secure_ok | join(' ') }}'"
|
||||||
|
regexp: "SMTPSECUREOK='.*'"
|
||||||
|
create: no
|
||||||
|
when: minifirewall_smtp_secure_ok is not none
|
||||||
|
|
||||||
|
- name: Configure NTPOK
|
||||||
|
lineinfile:
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
line: "NTPOK='{{ minifirewall_ntp_ok | join(' ') }}'"
|
||||||
|
regexp: "NTPOK='.*'"
|
||||||
|
create: no
|
||||||
|
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)
|
||||||
|
stat:
|
||||||
|
path: "{{ minifirewall_main_file }}"
|
||||||
|
register: minifirewall_after
|
||||||
|
|
||||||
|
- name: restart minifirewall
|
||||||
|
command: /etc/init.d/minifirewall restart
|
||||||
|
register: minifirewall_init_restart
|
||||||
|
failed_when: "'starting IPTables rules is now finish : OK' not in minifirewall_init_restart.stdout"
|
||||||
|
when:
|
||||||
|
- minifirewall_restart_if_needed | bool
|
||||||
|
- minifirewall_is_running.rc == 0
|
||||||
|
- minifirewall_before.stat.checksum != minifirewall_after.stat.checksum
|
||||||
|
|
||||||
|
- name: restart minifirewall (noop)
|
||||||
|
meta: noop
|
||||||
|
register: minifirewall_init_restart
|
||||||
|
failed_when: False
|
||||||
|
changed_when: False
|
||||||
|
when: not (minifirewall_restart_if_needed | bool)
|
||||||
|
|
||||||
|
- debug:
|
||||||
|
var: minifirewall_init_restart
|
||||||
|
verbosity: 2
|
24
minifirewall/tasks/install.legacy.yml
Normal file
24
minifirewall/tasks/install.legacy.yml
Normal file
|
@ -0,0 +1,24 @@
|
||||||
|
---
|
||||||
|
|
||||||
|
- name: dependencies are satisfied
|
||||||
|
apt:
|
||||||
|
name: iptables
|
||||||
|
state: present
|
||||||
|
|
||||||
|
- name: init script is copied
|
||||||
|
template:
|
||||||
|
src: minifirewall.legacy.j2
|
||||||
|
dest: /etc/init.d/minifirewall
|
||||||
|
force: "{{ minifirewall_force_upgrade_script | default('no') }}"
|
||||||
|
mode: "0700"
|
||||||
|
owner: root
|
||||||
|
group: root
|
||||||
|
|
||||||
|
- name: configuration is copied
|
||||||
|
copy:
|
||||||
|
src: minifirewall.legacy.conf
|
||||||
|
dest: "{{ minifirewall_main_file }}"
|
||||||
|
force: "{{ minifirewall_force_upgrade_config | default('no') }}"
|
||||||
|
mode: "0600"
|
||||||
|
owner: root
|
||||||
|
group: root
|
|
@ -41,23 +41,3 @@
|
||||||
mode: "0600"
|
mode: "0600"
|
||||||
owner: root
|
owner: root
|
||||||
group: root
|
group: root
|
||||||
|
|
||||||
- include_role:
|
|
||||||
name: evolix/remount-usr
|
|
||||||
|
|
||||||
- name: /usr/share/scripts exists
|
|
||||||
file:
|
|
||||||
dest: /usr/share/scripts
|
|
||||||
mode: "0700"
|
|
||||||
owner: root
|
|
||||||
group: root
|
|
||||||
state: directory
|
|
||||||
|
|
||||||
- name: blacklist-countries.sh is copied
|
|
||||||
copy:
|
|
||||||
src: blacklist-countries.sh
|
|
||||||
dest: /usr/share/scripts/blacklist-countries.sh
|
|
||||||
force: "no"
|
|
||||||
mode: "0700"
|
|
||||||
owner: root
|
|
||||||
group: root
|
|
||||||
|
|
|
@ -4,25 +4,107 @@
|
||||||
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
|
# Legacy or modern mode? ##############################################
|
||||||
|
|
||||||
|
- name: Check minifirewall
|
||||||
|
stat:
|
||||||
|
path: /etc/init.d/minifirewall
|
||||||
|
register: _minifirewall_check
|
||||||
|
|
||||||
|
# Legacy versions of minifirewall don't define the VERSION variable
|
||||||
|
- name: Look for minifirewall version
|
||||||
|
shell: "grep -E '^\\s*VERSION=' /etc/init.d/minifirewall"
|
||||||
|
failed_when: False
|
||||||
|
changed_when: False
|
||||||
|
check_mode: False
|
||||||
|
register: _minifirewall_version_check
|
||||||
|
|
||||||
|
- name: Set install mode to legacy if needed
|
||||||
|
set_fact:
|
||||||
|
minifirewall_install_mode: legacy
|
||||||
|
minifirewall_main_file: "{{ minifirewall_legacy_main_file }}"
|
||||||
|
minifirewall_tail_file: "{{ minifirewall_legacy_tail_file }}"
|
||||||
|
when:
|
||||||
|
- minifirewall_install_mode != 'modern'
|
||||||
|
- not (minifirewall_force_upgrade_script | bool)
|
||||||
|
- _minifirewall_version_check.rc == 1 # grep didn't find but the file exists
|
||||||
|
|
||||||
|
- name: Set install mode to modern if not legacy
|
||||||
|
set_fact:
|
||||||
|
minifirewall_install_mode: modern
|
||||||
|
when: minifirewall_install_mode != 'legacy'
|
||||||
|
|
||||||
|
- name: Debug install mode
|
||||||
|
debug:
|
||||||
|
var: minifirewall_install_mode
|
||||||
|
verbosity: 1
|
||||||
|
|
||||||
|
#######################################################################
|
||||||
|
|
||||||
|
- name: Fail if minifirewall_main_file is defined (legacy mode)
|
||||||
fail:
|
fail:
|
||||||
msg: "Variable minifirewall_main_file is deprecated and not configurable anymore."
|
msg: "Variable minifirewall_main_file is deprecated and not configurable anymore."
|
||||||
when: minifirewall_main_file is defined
|
when:
|
||||||
|
- minifirewall_install_mode != 'legacy'
|
||||||
|
- minifirewall_main_file is defined
|
||||||
|
|
||||||
- include: install.yml
|
- name: Install tasks (modern mode)
|
||||||
|
include: install.yml
|
||||||
|
when: minifirewall_install_mode != 'legacy'
|
||||||
|
|
||||||
- include: config.yml
|
- name: Install tasks (legacy mode)
|
||||||
when: minifirewall_update_config | bool
|
include: install.legacy.yml
|
||||||
|
when: minifirewall_install_mode == 'legacy'
|
||||||
|
|
||||||
- include: nrpe.yml
|
- name: Config tasks (modern mode)
|
||||||
|
include: config.yml
|
||||||
|
when:
|
||||||
|
- minifirewall_install_mode != 'legacy'
|
||||||
|
- minifirewall_update_config | bool
|
||||||
|
|
||||||
- include: activate.yml
|
- name: Config tasks (legacy mode)
|
||||||
|
include: config.legacy.yml
|
||||||
|
when:
|
||||||
|
- minifirewall_install_mode == 'legacy'
|
||||||
|
- minifirewall_update_config | bool
|
||||||
|
|
||||||
- include: tail.yml
|
- name: Utils tasks
|
||||||
when: minifirewall_tail_included | bool
|
include: utils.yml
|
||||||
|
|
||||||
- name: Force restart minifirewall
|
- name: NRPE tasks
|
||||||
|
include: nrpe.yml
|
||||||
|
|
||||||
|
- name: Activation tasks
|
||||||
|
include: activate.yml
|
||||||
|
|
||||||
|
- name: Tail tasks (modern mode)
|
||||||
|
include: tail.yml
|
||||||
|
when:
|
||||||
|
- minifirewall_install_mode != 'legacy'
|
||||||
|
- minifirewall_tail_included | bool
|
||||||
|
|
||||||
|
- name: Tail tasks (legacy mode)
|
||||||
|
include: tail.legacy.yml
|
||||||
|
when:
|
||||||
|
- minifirewall_install_mode == 'legacy'
|
||||||
|
- minifirewall_tail_included | bool
|
||||||
|
|
||||||
|
# Restart?
|
||||||
|
|
||||||
|
- name: Force restart minifirewall (modern mode)
|
||||||
command: /etc/init.d/minifirewall restart
|
command: /etc/init.d/minifirewall restart
|
||||||
register: minifirewall_init_restart
|
register: minifirewall_init_restart
|
||||||
failed_when: "'starting IPTables rules is now finish : OK' not in minifirewall_init_restart.stdout"
|
failed_when: "'starting IPTables rules is now finish : OK' not in minifirewall_init_restart.stdout"
|
||||||
when: minifirewall_restart_force | bool
|
changed_when: "'starting IPTables rules is now finish : OK' in minifirewall_init_restart.stdout"
|
||||||
|
when:
|
||||||
|
- minifirewall_install_mode != 'legacy'
|
||||||
|
- minifirewall_restart_force | bool
|
||||||
|
|
||||||
|
- name: Force restart minifirewall (legacy mode)
|
||||||
|
command: /etc/init.d/minifirewall restart
|
||||||
|
register: minifirewall_init_restart
|
||||||
|
failed_when: "'starting IPTables rules is now finish : OK' not in minifirewall_init_restart.stdout"
|
||||||
|
changed_when: "'starting IPTables rules is now finish : OK' in minifirewall_init_restart.stdout"
|
||||||
|
when:
|
||||||
|
- minifirewall_install_mode == 'legacy'
|
||||||
|
- minifirewall_restart_force | bool
|
50
minifirewall/tasks/tail.legacy.yml
Normal file
50
minifirewall/tasks/tail.legacy.yml
Normal file
|
@ -0,0 +1,50 @@
|
||||||
|
---
|
||||||
|
- name: Add some rules at the end of minifirewall file
|
||||||
|
template:
|
||||||
|
src: "{{ item }}"
|
||||||
|
dest: "{{ minifirewall_tail_file }}"
|
||||||
|
force: "{{ minifirewall_tail_force | bool }}"
|
||||||
|
follow: yes
|
||||||
|
loop: "{{ query('first_found', templates) }}"
|
||||||
|
vars:
|
||||||
|
templates:
|
||||||
|
- "templates/minifirewall-tail/minifirewall.{{ inventory_hostname }}.tail.j2"
|
||||||
|
- "templates/minifirewall-tail/minifirewall.{{ host_group | default('all') }}.tail.j2"
|
||||||
|
- "templates/minifirewall-tail/minifirewall.default.tail.j2"
|
||||||
|
- "templates/minifirewall.default.tail.j2"
|
||||||
|
register: minifirewall_tail_template
|
||||||
|
|
||||||
|
- debug:
|
||||||
|
var: minifirewall_tail_template
|
||||||
|
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
|
||||||
|
command: /etc/init.d/minifirewall restart
|
||||||
|
register: minifirewall_init_restart
|
||||||
|
failed_when: "'starting IPTables rules is now finish : OK' not in minifirewall_init_restart.stdout"
|
||||||
|
when:
|
||||||
|
- minifirewall_tail_template is changed
|
||||||
|
- minifirewall_restart_if_needed | bool
|
||||||
|
|
||||||
|
- name: restart minifirewall (noop)
|
||||||
|
meta: noop
|
||||||
|
register: minifirewall_init_restart
|
||||||
|
failed_when: False
|
||||||
|
changed_when: False
|
||||||
|
when: not (minifirewall_restart_if_needed | bool)
|
||||||
|
|
||||||
|
- debug:
|
||||||
|
var: minifirewall_init_restart
|
||||||
|
verbosity: 1
|
|
@ -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: "/etc/minifirewall.d/{{ minifirewall_tail_file }}"
|
dest: "{{ minifirewall_tail_file }}"
|
||||||
force: "{{ minifirewall_tail_force | bool }}"
|
force: "{{ minifirewall_tail_force | bool }}"
|
||||||
follow: yes
|
follow: yes
|
||||||
loop: "{{ query('first_found', templates) }}"
|
loop: "{{ query('first_found', templates) }}"
|
||||||
|
@ -19,9 +19,6 @@
|
||||||
verbosity: 1
|
verbosity: 1
|
||||||
|
|
||||||
- name: restart minifirewall
|
- name: restart minifirewall
|
||||||
# service:
|
|
||||||
# name: minifirewall
|
|
||||||
# state: restarted
|
|
||||||
command: /etc/init.d/minifirewall restart
|
command: /etc/init.d/minifirewall restart
|
||||||
register: minifirewall_init_restart
|
register: minifirewall_init_restart
|
||||||
failed_when: "'starting IPTables rules is now finish : OK' not in minifirewall_init_restart.stdout"
|
failed_when: "'starting IPTables rules is now finish : OK' not in minifirewall_init_restart.stdout"
|
||||||
|
|
21
minifirewall/tasks/utils.yml
Normal file
21
minifirewall/tasks/utils.yml
Normal file
|
@ -0,0 +1,21 @@
|
||||||
|
---
|
||||||
|
|
||||||
|
- include_role:
|
||||||
|
name: evolix/remount-usr
|
||||||
|
|
||||||
|
- name: /usr/share/scripts exists
|
||||||
|
file:
|
||||||
|
dest: /usr/share/scripts
|
||||||
|
mode: "0700"
|
||||||
|
owner: root
|
||||||
|
group: root
|
||||||
|
state: directory
|
||||||
|
|
||||||
|
- name: blacklist-countries.sh is copied
|
||||||
|
copy:
|
||||||
|
src: blacklist-countries.sh
|
||||||
|
dest: /usr/share/scripts/blacklist-countries.sh
|
||||||
|
force: "no"
|
||||||
|
mode: "0700"
|
||||||
|
owner: root
|
||||||
|
group: root
|
492
minifirewall/templates/minifirewall.legacy.j2
Normal file
492
minifirewall/templates/minifirewall.legacy.j2
Normal file
|
@ -0,0 +1,492 @@
|
||||||
|
#!/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
|
|
@ -7,4 +7,3 @@ squid_whitelist_items: []
|
||||||
|
|
||||||
squid_localproxy_enable: False
|
squid_localproxy_enable: False
|
||||||
|
|
||||||
minifirewall_main_file: /etc/default/minifirewall
|
|
||||||
|
|
43
squid/tasks/minifirewall.legacy.yml
Normal file
43
squid/tasks/minifirewall.legacy.yml
Normal file
|
@ -0,0 +1,43 @@
|
||||||
|
---
|
||||||
|
- name: Check if Minifirewall is present
|
||||||
|
stat:
|
||||||
|
path: "/etc/default/minifirewall"
|
||||||
|
check_mode: no
|
||||||
|
register: minifirewall_test
|
||||||
|
|
||||||
|
- block:
|
||||||
|
- name: HTTPSITES list is commented in minifirewall
|
||||||
|
replace:
|
||||||
|
dest: "/etc/default/minifirewall"
|
||||||
|
regexp: "^(HTTPSITES='[^0-9])"
|
||||||
|
replace: '#\1'
|
||||||
|
notify: restart minifirewall
|
||||||
|
|
||||||
|
- name: all HTTPSITES are authorized in minifirewall
|
||||||
|
lineinfile:
|
||||||
|
dest: "/etc/default/minifirewall"
|
||||||
|
line: "HTTPSITES='0.0.0.0/0'"
|
||||||
|
regexp: "HTTPSITES='.*'"
|
||||||
|
insertafter: "^#HTTPSITES="
|
||||||
|
notify: restart minifirewall
|
||||||
|
|
||||||
|
- name: add iptables rules for the proxy
|
||||||
|
lineinfile:
|
||||||
|
dest: "/etc/default/minifirewall"
|
||||||
|
regexp: "^#? *{{ item }}"
|
||||||
|
line: "{{ item }}"
|
||||||
|
insertafter: "^# Proxy"
|
||||||
|
loop:
|
||||||
|
- "/sbin/iptables -t nat -A OUTPUT -p tcp --dport 80 -m owner --uid-owner proxy -j ACCEPT"
|
||||||
|
- "/sbin/iptables -t nat -A OUTPUT -p tcp --dport 80 -d {{ squid_address }} -j ACCEPT"
|
||||||
|
- "/sbin/iptables -t nat -A OUTPUT -p tcp --dport 80 -d 127.0.0.0/8 -j ACCEPT"
|
||||||
|
- "/sbin/iptables -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT --to-port 8888"
|
||||||
|
notify: restart minifirewall
|
||||||
|
|
||||||
|
- name: remove minifirewall example rule for the proxy
|
||||||
|
lineinfile:
|
||||||
|
dest: "/etc/default/minifirewall"
|
||||||
|
regexp: '^#.*(-t nat).*(-d X\.X\.X\.X)'
|
||||||
|
state: absent
|
||||||
|
notify: restart minifirewall
|
||||||
|
when: minifirewall_test.stat.exists
|
|
@ -1,29 +1,37 @@
|
||||||
---
|
---
|
||||||
- name: Check if Minifirewall is present
|
- name: Check if Minifirewall is present
|
||||||
stat:
|
stat:
|
||||||
path: "{{ minifirewall_main_file }}"
|
path: "/etc/default/minifirewall"
|
||||||
check_mode: no
|
check_mode: no
|
||||||
register: minifirewall_test
|
register: minifirewall_test
|
||||||
|
|
||||||
- block:
|
- block:
|
||||||
- name: HTTPSITES list is commented in minifirewall
|
- name: HTTPSITES list is commented in minifirewall
|
||||||
replace:
|
replace:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
regexp: "^(HTTPSITES='[^0-9])"
|
regexp: "^(HTTPSITES='[^0-9])"
|
||||||
replace: '#\1'
|
replace: '#\1'
|
||||||
notify: restart minifirewall
|
notify: restart minifirewall
|
||||||
|
|
||||||
- name: all HTTPSITES are authorized in minifirewall
|
- name: all HTTPSITES are authorized in minifirewall
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
line: "HTTPSITES='0.0.0.0/0'"
|
line: "HTTPSITES='0.0.0.0/0'"
|
||||||
regexp: "HTTPSITES='.*'"
|
regexp: "HTTPSITES='.*'"
|
||||||
insertafter: "^#HTTPSITES="
|
insertafter: "^#HTTPSITES="
|
||||||
notify: restart minifirewall
|
notify: restart minifirewall
|
||||||
|
|
||||||
- name: add iptables rules for the proxy
|
# The PROXY variable means that minifirewall is "modern"
|
||||||
|
- name: Look for PROXY variable
|
||||||
|
shell: "grep -E '^\\s*PROXY=' /etc/default/minifirewall"
|
||||||
|
failed_when: False
|
||||||
|
changed_when: False
|
||||||
|
check_mode: False
|
||||||
|
register: _minifirewall_proxy_var_check
|
||||||
|
|
||||||
|
- name: Set proxy configuration for minifirewall (legacy mode)
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
regexp: "^#? *{{ item }}"
|
regexp: "^#? *{{ item }}"
|
||||||
line: "{{ item }}"
|
line: "{{ item }}"
|
||||||
insertafter: "^# Proxy"
|
insertafter: "^# Proxy"
|
||||||
|
@ -33,11 +41,21 @@
|
||||||
- "/sbin/iptables -t nat -A OUTPUT -p tcp --dport 80 -d 127.0.0.0/8 -j ACCEPT"
|
- "/sbin/iptables -t nat -A OUTPUT -p tcp --dport 80 -d 127.0.0.0/8 -j ACCEPT"
|
||||||
- "/sbin/iptables -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT --to-port 8888"
|
- "/sbin/iptables -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT --to-port 8888"
|
||||||
notify: restart minifirewall
|
notify: restart minifirewall
|
||||||
|
when: _minifirewall_proxy_var_check.rc == 1
|
||||||
|
|
||||||
- name: remove minifirewall example rule for the proxy
|
- name: remove minifirewall example rule for the proxy (legacy mode)
|
||||||
lineinfile:
|
lineinfile:
|
||||||
dest: "{{ minifirewall_main_file }}"
|
dest: "/etc/default/minifirewall"
|
||||||
regexp: '^#.*(-t nat).*(-d X\.X\.X\.X)'
|
regexp: '^#.*(-t nat).*(-d X\.X\.X\.X)'
|
||||||
state: absent
|
state: absent
|
||||||
notify: restart minifirewall
|
notify: restart minifirewall
|
||||||
|
when: _minifirewall_proxy_var_check.rc == 1
|
||||||
|
|
||||||
|
- name: Set proxy configuration for minifirewall (modern mode)
|
||||||
|
replace:
|
||||||
|
dest: "/etc/default/minifirewall"
|
||||||
|
replace: "PROXY='on'"
|
||||||
|
regexp: "PROXY='.*'"
|
||||||
|
notify: restart minifirewall
|
||||||
|
when: _minifirewall_proxy_var_check.rc == 0
|
||||||
when: minifirewall_test.stat.exists
|
when: minifirewall_test.stat.exists
|
||||||
|
|
Loading…
Reference in a new issue