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devuan: merge iptables changes from debian

This commit is contained in:
Valentin Kleibel 2022-04-04 15:43:41 +02:00
parent 935bd2ea93
commit 37eecb945d
1 changed files with 40 additions and 21 deletions
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61
devuan/resources/iptables.sh
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@ -3,40 +3,61 @@
#move to script directory so all relative paths work
cd "$(dirname "$0")"
#add the includes
. ./config.sh
. ./colors.sh
. ./environment.sh
#send a message
verbose "Configuring IPTables"
#defaults to nftables by default this enables iptables
if [ ."$os_codename" = ."beowulf" ]; then
update-alternatives --set iptables /usr/sbin/iptables-legacy
update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
fi
if [ ."$os_codename" = ."chimaera" ]; then
apt-get install -y iptables
update-alternatives --set iptables /usr/sbin/iptables-legacy
update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
fi
#remove ufw
ufw reset
ufw disable
apt-get remove -y ufw
#apt-get purge ufw
#run iptables commands
iptables -A INPUT -i lo -j ACCEPT
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -j DROP -p udp --dport 5060:5061 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5060:5061 -m string --string "sipcli/" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5060:5061 -m string --string "VaxSIPUserAgent/" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5060:5061 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5060:5061 -m string --string "sipcli/" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5060:5061 -m string --string "VaxSIPUserAgent/" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5080:5081 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5080:5081 -m string --string "sipcli/" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5080:5081 -m string --string "VaxSIPUserAgent/" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5080:5081 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5080:5081 -m string --string "sipcli/" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5080:5081 -m string --string "VaxSIPUserAgent/" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5060:5091 -m string --string "friendly-scanner" --algo bm --icase
iptables -A INPUT -j DROP -p tcp --dport 5060:5091 -m string --string "friendly-scanner" --algo bm --icase
iptables -A INPUT -j DROP -p udp --dport 5060:5091 -m string --string "sipcli/" --algo bm --icase
iptables -A INPUT -j DROP -p tcp --dport 5060:5091 -m string --string "sipcli/" --algo bm --icase
iptables -A INPUT -j DROP -p udp --dport 5060:5091 -m string --string "VaxSIPUserAgent/" --algo bm --icase
iptables -A INPUT -j DROP -p tcp --dport 5060:5091 -m string --string "VaxSIPUserAgent/" --algo bm --icase
iptables -A INPUT -j DROP -p udp --dport 5060:5091 -m string --string "pplsip" --algo bm --icase
iptables -A INPUT -j DROP -p tcp --dport 5060:5091 -m string --string "pplsip" --algo bm --icase
iptables -A INPUT -j DROP -p udp --dport 5060:5091 -m string --string "system " --algo bm --icase
iptables -A INPUT -j DROP -p tcp --dport 5060:5091 -m string --string "system " --algo bm --icase
iptables -A INPUT -j DROP -p udp --dport 5060:5091 -m string --string "exec." --algo bm --icase
iptables -A INPUT -j DROP -p tcp --dport 5060:5091 -m string --string "exec." --algo bm --icase
iptables -A INPUT -j DROP -p udp --dport 5060:5091 -m string --string "multipart/mixed;boundary" --algo bm --icase
iptables -A INPUT -j DROP -p tcp --dport 5060:5091 -m string --string "multipart/mixed;boundary" --algo bm --icase
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j ACCEPT
iptables -A INPUT -p tcp --dport 5060:5061 -j ACCEPT
iptables -A INPUT -p udp --dport 5060:5061 -j ACCEPT
iptables -A INPUT -p tcp --dport 5080:5081 -j ACCEPT
iptables -A INPUT -p udp --dport 5080:5081 -j ACCEPT
iptables -A INPUT -p tcp --dport 7443 -j ACCEPT
iptables -A INPUT -p tcp --dport 5060:5091 -j ACCEPT
iptables -A INPUT -p udp --dport 5060:5091 -j ACCEPT
iptables -A INPUT -p udp --dport 16384:32768 -j ACCEPT
iptables -A INPUT -p icmp --icmp-type echo-request -j ACCEPT
iptables -A INPUT -p udp --dport 1194 -j ACCEPT
iptables -t mangle -A OUTPUT -p udp -m udp --sport 16384:32768 -j DSCP --set-dscp 46
iptables -t mangle -A OUTPUT -p udp -m udp --sport 5060:5081 -j DSCP --set-dscp 26
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 5060:5081 -j DSCP --set-dscp 26
iptables -t mangle -A OUTPUT -p udp -m udp --sport 5060:5091 -j DSCP --set-dscp 26
iptables -t mangle -A OUTPUT -p tcp -m tcp --sport 5060:5091 -j DSCP --set-dscp 26
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT
@ -44,6 +65,4 @@ iptables -P OUTPUT ACCEPT
#answer the questions for iptables persistent
echo iptables-persistent iptables-persistent/autosave_v4 boolean true | debconf-set-selections
echo iptables-persistent iptables-persistent/autosave_v6 boolean true | debconf-set-selections
apt-get install -y -q iptables-persistent
# update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
apt-get install -y iptables-persistent