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minifirewall
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Added quote to $IPV6 variables.

This commit is contained in:
Benoît S. 2015-10-21 10:45:39 +02:00
parent 02d6447a10
commit b6a47dea0d
1 changed files with 16 additions and 16 deletions
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minifirewall
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@ -154,10 +154,10 @@ $IPT -N NEEDRESTRICT
# We allow all on loopback interface
$IPT -A INPUT -i lo -j ACCEPT
[ $IPV6 != 'off' ] && $IPT6 -A INPUT -i lo -j ACCEPT
[ "$IPV6" != "off" ] && $IPT6 -A INPUT -i lo -j ACCEPT
# if OUTPUTDROP
$IPT -A OUTPUT -o lo -j ACCEPT
[ $IPV6 != 'off' ] && $IPT6 -A OUTPUT -o lo -j ACCEPT
[ "$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
@ -186,13 +186,13 @@ for x in $SERVICESUDP1p
for x in $SERVICESTCP1
do
$IPT -A INPUT -p tcp --dport $x -j ACCEPT
[ $IPV6 != 'off' ] && $IPT6 -A INPUT -p tcp --dport $x -j ACCEPT
[ "$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 $x -j ACCEPT
[ "$IPV6" != "off" ] && $IPT6 -A INPUT -p udp --dport $x -j ACCEPT
done
# Privilegied services
@ -281,7 +281,7 @@ for x in $NTPOK
# Always allow ICMP
$IPT -A INPUT -p icmp -j ACCEPT
[ $IPV6 != 'off' ] && $IPT6 -A INPUT -p icmpv6 -j ACCEPT
[ "$IPV6" != "off" ] && $IPT6 -A INPUT -p icmpv6 -j ACCEPT
# IPTables policy
@ -289,7 +289,7 @@ $IPT -A INPUT -p icmp -j ACCEPT
# by default DROP INPUT packets
$IPT -P INPUT DROP
[ $IPV6 != 'off' ] && $IPT6 -P INPUT DROP
[ "$IPV6" != "off" ] && $IPT6 -P INPUT DROP
# by default, no FORWARING (deprecated for Virtual Machines)
#echo 0 > /proc/sys/net/ipv4/ip_forward
@ -298,13 +298,13 @@ $IPT -P INPUT DROP
# by default allow OUTPUT packets... but drop UDP packets (see OUTPUTDROP to drop OUTPUT packets)
$IPT -P OUTPUT ACCEPT
[ $IPV6 != 'off' ] && $IPT6 -P OUTPUT ACCEPT
[ "$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' ] && $IPT6 -A OUTPUT -p udp -j DROP
[ "$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
@ -325,14 +325,14 @@ trap - INT TERM EXIT
$IPT -F NEEDRESTRICT
$IPT -t nat -F
$IPT -t mangle -F
[ $IPV6 != 'off' ] && $IPT6 -F INPUT
[ $IPV6 != 'off' ] && $IPT6 -F OUTPUT
[ "$IPV6" != "off" ] && $IPT6 -F INPUT
[ "$IPV6" != "off" ] && $IPT6 -F OUTPUT
# Accept all
$IPT -P INPUT ACCEPT
$IPT -P OUTPUT ACCEPT
[ $IPV6 != 'off' ] && $IPT6 -P INPUT ACCEPT
[ $IPV6 != 'off' ] && $IPT6 -P OUTPUT ACCEPT
[ "$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
@ -363,8 +363,8 @@ trap - INT TERM EXIT
$IPT -Z
$IPT -t nat -Z
$IPT -t mangle -Z
[ $IPV6 != 'off' ] && $IPT6 -Z
[ $IPV6 != 'off' ] && $IPT6 -t mangle -Z
[ "$IPV6" != "off" ] && $IPT6 -Z
[ "$IPV6" != "off" ] && $IPT6 -t mangle -Z
echo "...reseting IPTables counters is now finish : OK"
;;