65 lines
2.3 KiB
Plaintext
65 lines
2.3 KiB
Plaintext
# DDOS
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*mangle
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:PREROUTING ACCEPT [176:18588]
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:INPUT ACCEPT [176:18588]
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:FORWARD ACCEPT [0:0]
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:OUTPUT ACCEPT [157:27472]
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:POSTROUTING ACCEPT [157:27472]
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-A PREROUTING -f -j DROP
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-A PREROUTING -m conntrack --ctstate INVALID -j DROP
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-A PREROUTING -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m conntrack --ctstate NEW -j DROP
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-A PREROUTING -p tcp -m conntrack --ctstate NEW -m tcpmss ! --mss 536:65535 -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags FIN,RST FIN,RST -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags ACK,URG URG -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags PSH,ACK PSH -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,PSH,ACK,URG -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,PSH,URG -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,PSH,URG -j DROP
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-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,ACK,URG -j DROP
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COMMIT
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*filter
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:INPUT ACCEPT [0:0]
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:FORWARD ACCEPT [0:0]
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:OUTPUT ACCEPT [155:26977]
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# Réponses
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-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
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# Localhost
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-A INPUT -i lo -j ACCEPT
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# Ping
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-A INPUT -p icmp -j ACCEPT
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# SSH
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-A INPUT -i eth0 -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
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# HTTP(S)
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-A INPUT -i eth0 -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
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-A INPUT -i eth0 -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT
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# IRC (TLS)
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-A INPUT -i eth0 -p tcp -m state --state NEW -m tcp --dport 6697 -j ACCEPT
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# Murmur
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-A INPUT -i eth0 -p tcp -m state --state NEW -m tcp --dport 64738 -j ACCEPT
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-A INPUT -i eth0 -p udp --dport 64738 -j ACCEPT
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# v42 reverse shell
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-A INPUT -i eth0 -p tcp -m state --state NEW -m tcp --dport 6068 -j ACCEPT
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# Tout le reste
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-A INPUT -i eth0 -j DROP
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# DDOS bis
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-A INPUT -p tcp -m tcp --tcp-flags RST RST -m limit --limit 2/sec --limit-burst 2 -j ACCEPT
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-A INPUT -p tcp -m tcp --tcp-flags RST RST -j DROP
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COMMIT
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