Updated iptables rules to make dropping known bots easier

included ssl ports as well
added comments to rules where appropriate
This commit is contained in:
mafoo 2016-05-25 11:45:58 +01:00
parent b6eeed2089
commit 9da2e90728
1 changed files with 13 additions and 19 deletions

View File

@ -4,26 +4,20 @@
echo "Configure IPTables"
#run iptables commands
iptables -A INPUT -j DROP -p udp --dport 5060 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5060 -m string --string "sipcli/" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5060 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5060 -m string --string "sipcli/" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5080 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p udp --dport 5080 -m string --string "sipcli/" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5080 -m string --string "friendly-scanner" --algo bm
iptables -A INPUT -j DROP -p tcp --dport 5080 -m string --string "sipcli/" --algo bm
iptables -N sip
iptables -A sip -j DROP -m string --string "friendly-scanner" --algo bm
iptables -A sip -j DROP -m string --string "sipcli/" --algo bm
iptables -A sip -j ACCEPT
iptables -A INPUT -i lo -j ACCEPT
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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 -j ACCEPT
iptables -A INPUT -p udp --dport 5060 -j ACCEPT
iptables -A INPUT -p tcp --dport 5080 -j ACCEPT
iptables -A INPUT -p udp --dport 5080 -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 -A INPUT -j sip -p tcp -m multiport --dports 5060,5061,5080,5081 -m comment --comment "SIP tcp"
iptables -A INPUT -j sip -p udp -m multiport --dports 5060,5061,5080,5081 -m comment --comment "SIP udp"
iptables -A INPUT -j ACCEPT -m state --state ESTABLISHED,RELATED
iptables -A INPUT -j ACCEPT -p tcp --dport 22 -m comment --comment "ssh"
iptables -A INPUT -j ACCEPT -p tcp --dport 80 -m comment --comment "http"
iptables -A INPUT -j ACCEPT -p tcp --dport 443 -m comment --comment "https"
iptables -A INPUT -j ACCEPT -p udp --dport 16384:32768 -m comment --comment "SIP RTP"
iptables -A INPUT -j ACCEPT -p icmp --icmp-type echo-request
iptables -A INPUT -j ACCEPT -p udp --dport 1194 -m comment --comment "OpenVPN"
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT