Created
March 17, 2014 07:03
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iptables.conf
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*filter | |
:INPUT DROP [0:0] | |
:FORWARD ACCEPT [0:0] | |
:OUTPUT ACCEPT [0:0] | |
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT | |
-A INPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP | |
-A INPUT -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -j DROP | |
-A INPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,PSH,ACK,URG -j DROP | |
-A INPUT -i lo -j ACCEPT | |
-A INPUT -p tcp -m tcp --dport 80 -j ACCEPT | |
-A INPUT -p tcp -m tcp --dport 443 -j ACCEPT | |
-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT | |
-A INPUT -p tcp --dport 80 -m limit --limit 25/minute --limit-burst 100 -j ACCEPT | |
-N ICMPFLOOD | |
-A ICMPFLOOD -m recent --set --name ICMP --rsource | |
-A ICMPFLOOD -m recent --update --seconds 1 --hitcount 6 --name ICMP --rsource --rttl -j DROP | |
-A ICMPFLOOD -j ACCEPT | |
-N SSHBRUTE | |
-A SSHBRUTE -m recent --name SSH --set | |
-A SSHBRUTE -m recent --name SSH --update --seconds 300 --hitcount 10 -j DROP | |
-A SSHBRUTE -j ACCEPT | |
COMMIT |
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