Surround variable names with curly braces
This commit is contained in:
parent
9a9fc7fd44
commit
e02be5b852
335
minifirewall
335
minifirewall
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@ -64,7 +64,8 @@ chain_exists()
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{
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local chain_name="$1" ; shift
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[ $# -eq 1 ] && local intable="--table $1"
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iptables $intable -nL "$chain_name" >/dev/null 2>&1
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# shellcheck disable=SC2086
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iptables ${intable} -nL "${chain_name}" >/dev/null 2>&1
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}
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source_file_or_error() {
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@ -72,13 +73,13 @@ source_file_or_error() {
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echo "...sourcing '${file}\`"
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tmpfile=$(mktemp --tmpdir=/tmp minifirewall.XXX)
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. ${file} 2>${tmpfile} >&2
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if [ -s ${tmpfile} ]; then
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. "${file}" 2>"${tmpfile}" >&2
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if [ -s "${tmpfile}" ]; then
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echo "${file} returns standard or error output (see below). Stopping." >&2
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cat ${tmpfile}
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cat "${tmpfile}"
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exit 1
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fi
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rm ${tmpfile}
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rm "${tmpfile}"
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}
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start() {
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@ -100,7 +101,7 @@ start() {
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# Disable Source Routing
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for i in /proc/sys/net/ipv4/conf/*/accept_source_route; do
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echo 0 > $i
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echo 0 > "${i}"
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done
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# Enable TCP SYN cookies to avoid TCP-SYN-FLOOD attacks
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@ -109,40 +110,40 @@ start() {
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# Disable ICMP redirects
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for i in /proc/sys/net/ipv4/conf/*/accept_redirects; do
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echo 0 > $i
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echo 0 > "${i}"
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done
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for i in /proc/sys/net/ipv4/conf/*/send_redirects; do
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echo 0 > $i
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echo 0 > "${i}"
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done
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# Enable Reverse Path filtering : verify if responses use same network interface
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for i in /proc/sys/net/ipv4/conf/*/rp_filter; do
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echo 1 > $i
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echo 1 > "${i}"
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done
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# log des paquets avec adresse incoherente
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for i in /proc/sys/net/ipv4/conf/*/log_martians; do
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echo 1 > $i
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echo 1 > "${i}"
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done
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# IPTables configuration
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########################
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$IPT -N LOG_DROP
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$IPT -A LOG_DROP -j LOG --log-prefix '[IPTABLES DROP] : '
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$IPT -A LOG_DROP -j DROP
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$IPT -N LOG_ACCEPT
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$IPT -A LOG_ACCEPT -j LOG --log-prefix '[IPTABLES ACCEPT] : '
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$IPT -A LOG_ACCEPT -j ACCEPT
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${IPT} -N LOG_DROP
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${IPT} -A LOG_DROP -j LOG --log-prefix '[IPTABLES DROP] : '
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${IPT} -A LOG_DROP -j DROP
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${IPT} -N LOG_ACCEPT
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${IPT} -A LOG_ACCEPT -j LOG --log-prefix '[IPTABLES ACCEPT] : '
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${IPT} -A LOG_ACCEPT -j ACCEPT
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if test -f $oldconfigfile; then
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echo "$oldconfigfile is deprecated, rename to $configfile" >&2
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if test -f ${oldconfigfile}; then
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echo "${oldconfigfile} is deprecated, rename to ${configfile}" >&2
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exit 1
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fi
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if ! test -f $configfile; then
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echo "$configfile does not exist" >&2
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if ! test -f ${configfile}; then
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echo "${configfile} does not exist" >&2
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exit 1
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fi
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@ -156,61 +157,61 @@ start() {
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fi
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# Trusted ip addresses
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$IPT -N ONLYTRUSTED
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$IPT -A ONLYTRUSTED -j LOG_DROP
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for x in $TRUSTEDIPS
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${IPT} -N ONLYTRUSTED
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${IPT} -A ONLYTRUSTED -j LOG_DROP
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for x in ${TRUSTEDIPS}
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do
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$IPT -I ONLYTRUSTED -s $x -j ACCEPT
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${IPT} -I ONLYTRUSTED -s ${x} -j ACCEPT
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done
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# Privilegied ip addresses
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# (trusted ip addresses *are* privilegied)
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$IPT -N ONLYPRIVILEGIED
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$IPT -A ONLYPRIVILEGIED -j ONLYTRUSTED
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for x in $PRIVILEGIEDIPS
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${IPT} -N ONLYPRIVILEGIED
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${IPT} -A ONLYPRIVILEGIED -j ONLYTRUSTED
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for x in ${PRIVILEGIEDIPS}
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do
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$IPT -I ONLYPRIVILEGIED -s $x -j ACCEPT
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${IPT} -I ONLYPRIVILEGIED -s ${x} -j ACCEPT
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done
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# Chain for restrictions (blacklist IPs/ranges)
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$IPT -N NEEDRESTRICT
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${IPT} -N NEEDRESTRICT
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# We allow all on loopback interface
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$IPT -A INPUT -i lo -j ACCEPT
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[ "$IPV6" != "off" ] && $IPT6 -A INPUT -i lo -j ACCEPT
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${IPT} -A INPUT -i lo -j ACCEPT
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[ "${IPV6}" != "off" ] && ${IPT6} -A INPUT -i lo -j ACCEPT
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# if OUTPUTDROP
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$IPT -A OUTPUT -o lo -j ACCEPT
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[ "$IPV6" != "off" ] && $IPT6 -A OUTPUT -o lo -j ACCEPT
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${IPT} -A OUTPUT -o lo -j ACCEPT
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[ "${IPV6}" != "off" ] && ${IPT6} -A OUTPUT -o lo -j ACCEPT
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# We avoid "martians" packets, typical when W32/Blaster virus
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# attacked windowsupdate.com and DNS was changed to 127.0.0.1
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# $IPT -t NAT -I PREROUTING -s $LOOPBACK -i ! lo -j DROP
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$IPT -A INPUT -s $LOOPBACK ! -i lo -j DROP
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# ${IPT} -t NAT -I PREROUTING -s ${LOOPBACK} -i ! lo -j DROP
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${IPT} -A INPUT -s ${LOOPBACK} ! -i lo -j DROP
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if [ "$DOCKER" = "on" ]; then
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if [ "${DOCKER}" = "on" ]; then
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$IPT -N MINIFW-DOCKER-TRUSTED
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$IPT -A MINIFW-DOCKER-TRUSTED -j DROP
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${IPT} -N MINIFW-DOCKER-TRUSTED
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${IPT} -A MINIFW-DOCKER-TRUSTED -j DROP
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$IPT -N MINIFW-DOCKER-PRIVILEGED
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$IPT -A MINIFW-DOCKER-PRIVILEGED -j MINIFW-DOCKER-TRUSTED
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$IPT -A MINIFW-DOCKER-PRIVILEGED -j RETURN
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${IPT} -N MINIFW-DOCKER-PRIVILEGED
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${IPT} -A MINIFW-DOCKER-PRIVILEGED -j MINIFW-DOCKER-TRUSTED
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${IPT} -A MINIFW-DOCKER-PRIVILEGED -j RETURN
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$IPT -N MINIFW-DOCKER-PUB
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$IPT -A MINIFW-DOCKER-PUB -j MINIFW-DOCKER-PRIVILEGED
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$IPT -A MINIFW-DOCKER-PUB -j RETURN
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${IPT} -N MINIFW-DOCKER-PUB
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${IPT} -A MINIFW-DOCKER-PUB -j MINIFW-DOCKER-PRIVILEGED
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${IPT} -A MINIFW-DOCKER-PUB -j RETURN
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# Flush DOCKER-USER if exist, create it if absent
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if chain_exists 'DOCKER-USER'; then
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$IPT -F DOCKER-USER
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${IPT} -F DOCKER-USER
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else
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$IPT -N DOCKER-USER
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${IPT} -N DOCKER-USER
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fi;
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# Pipe new connection through MINIFW-DOCKER-PUB
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$IPT -A DOCKER-USER -i $INT -m state --state NEW -j MINIFW-DOCKER-PUB
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$IPT -A DOCKER-USER -j RETURN
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${IPT} -A DOCKER-USER -i ${INT} -m state --state NEW -j MINIFW-DOCKER-PUB
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${IPT} -A DOCKER-USER -j RETURN
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fi
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@ -218,110 +219,110 @@ start() {
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# Local services restrictions
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#############################
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# Allow services for $INTLAN (local server or local network)
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$IPT -A INPUT -s $INTLAN -j ACCEPT
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# Allow services for ${INTLAN} (local server or local network)
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${IPT} -A INPUT -s ${INTLAN} -j ACCEPT
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# Enable protection chain for sensible services
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for x in $SERVICESTCP1p
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for x in ${SERVICESTCP1p}
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do
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$IPT -A INPUT -p tcp --dport $x -j NEEDRESTRICT
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${IPT} -A INPUT -p tcp --dport ${x} -j NEEDRESTRICT
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done
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for x in $SERVICESUDP1p
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for x in ${SERVICESUDP1p}
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do
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$IPT -A INPUT -p udp --dport $x -j NEEDRESTRICT
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${IPT} -A INPUT -p udp --dport ${x} -j NEEDRESTRICT
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done
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# Public service
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for x in $SERVICESTCP1
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for x in ${SERVICESTCP1}
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do
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$IPT -A INPUT -p tcp --dport $x -j ACCEPT
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[ "$IPV6" != "off" ] && $IPT6 -A INPUT -p tcp --dport $x -j ACCEPT
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${IPT} -A INPUT -p tcp --dport ${x} -j ACCEPT
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[ "${IPV6}" != "off" ] && ${IPT6} -A INPUT -p tcp --dport ${x} -j ACCEPT
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done
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for x in $SERVICESUDP1
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for x in ${SERVICESUDP1}
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do
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$IPT -A INPUT -p udp --dport $x -j ACCEPT
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[ "$IPV6" != "off" ] && $IPT6 -A INPUT -p udp --dport $x -j ACCEPT
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${IPT} -A INPUT -p udp --dport ${x} -j ACCEPT
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[ "${IPV6}" != "off" ] && ${IPT6} -A INPUT -p udp --dport ${x} -j ACCEPT
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done
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# Privilegied services
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for x in $SERVICESTCP2
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for x in ${SERVICESTCP2}
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do
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$IPT -A INPUT -p tcp --dport $x -j ONLYPRIVILEGIED
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${IPT} -A INPUT -p tcp --dport ${x} -j ONLYPRIVILEGIED
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done
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for x in $SERVICESUDP2
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for x in ${SERVICESUDP2}
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do
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$IPT -A INPUT -p udp --dport $x -j ONLYPRIVILEGIED
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${IPT} -A INPUT -p udp --dport ${x} -j ONLYPRIVILEGIED
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done
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# Private services
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for x in $SERVICESTCP3
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for x in ${SERVICESTCP3}
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do
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$IPT -A INPUT -p tcp --dport $x -j ONLYTRUSTED
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${IPT} -A INPUT -p tcp --dport ${x} -j ONLYTRUSTED
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done
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for x in $SERVICESUDP3
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for x in ${SERVICESUDP3}
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do
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$IPT -A INPUT -p udp --dport $x -j ONLYTRUSTED
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${IPT} -A INPUT -p udp --dport ${x} -j ONLYTRUSTED
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done
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if [ "$DOCKER" = "on" ]; then
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if [ "${DOCKER}" = "on" ]; then
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# Public services defined in SERVICESTCP1 & SERVICESUDP1
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for dstport in $SERVICESTCP1
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for dstport in ${SERVICESTCP1}
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do
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$IPT -I MINIFW-DOCKER-PUB -p tcp --dport "$dstport" -j RETURN
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${IPT} -I MINIFW-DOCKER-PUB -p tcp --dport "${dstport}" -j RETURN
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done
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for dstport in $SERVICESUDP1
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for dstport in ${SERVICESUDP1}
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do
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$IPT -I MINIFW-DOCKER-PUB -p udp --dport "$dstport" -j RETURN
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${IPT} -I MINIFW-DOCKER-PUB -p udp --dport "${dstport}" -j RETURN
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done
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# Privileged services (accessible from privileged & trusted IPs)
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for dstport in $SERVICESTCP2
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for dstport in ${SERVICESTCP2}
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do
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for srcip in $PRIVILEGIEDIPS
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for srcip in ${PRIVILEGIEDIPS}
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do
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$IPT -I MINIFW-DOCKER-PRIVILEGED -p tcp -s "$srcip" --dport "$dstport" -j RETURN
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${IPT} -I MINIFW-DOCKER-PRIVILEGED -p tcp -s "${srcip}" --dport "${dstport}" -j RETURN
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done
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for srcip in $TRUSTEDIPS
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for srcip in ${TRUSTEDIPS}
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do
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$IPT -I MINIFW-DOCKER-PRIVILEGED -p tcp -s "$srcip" --dport "$dstport" -j RETURN
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${IPT} -I MINIFW-DOCKER-PRIVILEGED -p tcp -s "${srcip}" --dport "${dstport}" -j RETURN
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done
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done
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for dstport in $SERVICESUDP2
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for dstport in ${SERVICESUDP2}
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do
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for srcip in $PRIVILEGIEDIPS
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for srcip in ${PRIVILEGIEDIPS}
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do
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$IPT -I MINIFW-DOCKER-PRIVILEGED -p udp -s "$srcip" --dport "$dstport" -j RETURN
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${IPT} -I MINIFW-DOCKER-PRIVILEGED -p udp -s "${srcip}" --dport "${dstport}" -j RETURN
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done
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for srcip in $TRUSTEDIPS
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for srcip in ${TRUSTEDIPS}
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do
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$IPT -I MINIFW-DOCKER-PRIVILEGED -p udp -s "$srcip" --dport "$dstport" -j RETURN
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${IPT} -I MINIFW-DOCKER-PRIVILEGED -p udp -s "${srcip}" --dport "${dstport}" -j RETURN
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done
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done
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# Trusted services (accessible from trusted IPs)
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for dstport in $SERVICESTCP3
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for dstport in ${SERVICESTCP3}
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do
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for srcip in $TRUSTEDIPS
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for srcip in ${TRUSTEDIPS}
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do
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$IPT -I MINIFW-DOCKER-TRUSTED -p tcp -s "$srcip" --dport "$dstport" -j RETURN
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${IPT} -I MINIFW-DOCKER-TRUSTED -p tcp -s "${srcip}" --dport "${dstport}" -j RETURN
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done
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done
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for dstport in $SERVICESUDP3
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for dstport in ${SERVICESUDP3}
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do
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for srcip in $TRUSTEDIPS
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for srcip in ${TRUSTEDIPS}
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do
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$IPT -I MINIFW-DOCKER-TRUSTED -p udp -s "$srcip" --dport "$dstport" -j RETURN
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${IPT} -I MINIFW-DOCKER-TRUSTED -p udp -s "${srcip}" --dport "${dstport}" -j RETURN
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done
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done
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fi
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@ -330,89 +331,89 @@ start() {
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###################
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# DNS authorizations
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for x in $DNSSERVEURS
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for x in ${DNSSERVEURS}
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do
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$IPT -A INPUT -p tcp ! --syn --sport 53 --dport $PORTSUSER -s $x -j ACCEPT
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$IPT -A INPUT -p udp --sport 53 --dport $PORTSUSER -s $x -m state --state ESTABLISHED,RELATED -j ACCEPT
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$IPT -A OUTPUT -o $INT -p udp -d $x --dport 53 --match state --state NEW -j ACCEPT
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${IPT} -A INPUT -p tcp ! --syn --sport 53 --dport ${PORTSUSER} -s ${x} -j ACCEPT
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${IPT} -A INPUT -p udp --sport 53 --dport ${PORTSUSER} -s ${x} -m state --state ESTABLISHED,RELATED -j ACCEPT
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${IPT} -A OUTPUT -o ${INT} -p udp -d ${x} --dport 53 --match state --state NEW -j ACCEPT
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done
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# HTTP (TCP/80) authorizations
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for x in $HTTPSITES
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for x in ${HTTPSITES}
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do
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$IPT -A INPUT -p tcp ! --syn --sport 80 --dport $PORTSUSER -s $x -j ACCEPT
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${IPT} -A INPUT -p tcp ! --syn --sport 80 --dport ${PORTSUSER} -s ${x} -j ACCEPT
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done
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# HTTPS (TCP/443) authorizations
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for x in $HTTPSSITES
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for x in ${HTTPSSITES}
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do
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$IPT -A INPUT -p tcp ! --syn --sport 443 --dport $PORTSUSER -s $x -j ACCEPT
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${IPT} -A INPUT -p tcp ! --syn --sport 443 --dport ${PORTSUSER} -s ${x} -j ACCEPT
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done
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# FTP (so complex protocol...) authorizations
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for x in $FTPSITES
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for x in ${FTPSITES}
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do
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# requests on Control connection
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$IPT -A INPUT -p tcp ! --syn --sport 21 --dport $PORTSUSER -s $x -j ACCEPT
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${IPT} -A INPUT -p tcp ! --syn --sport 21 --dport ${PORTSUSER} -s ${x} -j ACCEPT
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# FTP port-mode on Data Connection
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$IPT -A INPUT -p tcp --sport 20 --dport $PORTSUSER -s $x -j ACCEPT
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${IPT} -A INPUT -p tcp --sport 20 --dport ${PORTSUSER} -s ${x} -j ACCEPT
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# FTP passive-mode on Data Connection
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# WARNING, this allow all connections on TCP ports > 1024
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$IPT -A INPUT -p tcp ! --syn --sport $PORTSUSER --dport $PORTSUSER -s $x -j ACCEPT
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${IPT} -A INPUT -p tcp ! --syn --sport ${PORTSUSER} --dport ${PORTSUSER} -s ${x} -j ACCEPT
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done
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# SSH authorizations
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for x in $SSHOK
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for x in ${SSHOK}
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do
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$IPT -A INPUT -p tcp ! --syn --sport 22 -s $x -j ACCEPT
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${IPT} -A INPUT -p tcp ! --syn --sport 22 -s ${x} -j ACCEPT
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done
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# SMTP authorizations
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for x in $SMTPOK
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for x in ${SMTPOK}
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do
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$IPT -A INPUT -p tcp ! --syn --sport 25 --dport $PORTSUSER -s $x -j ACCEPT
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${IPT} -A INPUT -p tcp ! --syn --sport 25 --dport ${PORTSUSER} -s ${x} -j ACCEPT
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done
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# secure SMTP (TCP/465 et TCP/587) authorizations
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for x in $SMTPSECUREOK
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for x in ${SMTPSECUREOK}
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do
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$IPT -A INPUT -p tcp ! --syn --sport 465 --dport $PORTSUSER -s $x -j ACCEPT
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$IPT -A INPUT -p tcp ! --syn --sport 587 --dport $PORTSUSER -s $x -j ACCEPT
|
||||
${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
|
||||
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
|
||||
${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
|
||||
${IPT} -A INPUT -p icmp -j ACCEPT
|
||||
[ "${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
|
||||
${IPT} -P INPUT DROP
|
||||
[ "${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
|
||||
#$IPT6 -P FORWARD DROP
|
||||
#${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
|
||||
${IPT} -P OUTPUT ACCEPT
|
||||
[ "${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
|
||||
|
||||
|
|
@ -423,66 +424,66 @@ 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
|
||||
${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
|
||||
$IPT -A DOCKER-USER -j RETURN
|
||||
if [ "${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
|
||||
${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
|
||||
${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
|
||||
${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
|
||||
${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
|
||||
${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"
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue