29 lines
933 B
Plaintext
29 lines
933 B
Plaintext
# Filter
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*filter
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:INPUT DROP [0:0]
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:FORWARD DROP [0:0]
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:OUTPUT ACCEPT [6:359]
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-A INPUT -m conntrack --ctstate INVALID -j DROP
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-A INPUT -i lo -j ACCEPT
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-A INPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
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-A INPUT -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -j DROP
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-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
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-A INPUT -p icmp -m icmp --icmp-type 8 -m conntrack --ctstate NEW -j ACCEPT
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-A INPUT -p tcp -j REJECT --reject-with tcp-reset
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-A INPUT -p udp -j REJECT --reject-with icmp-port-unreachable
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COMMIT
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# Mangle
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*mangle
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:PREROUTING ACCEPT [8948:5925361]
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:INPUT ACCEPT [8943:5924001]
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:FORWARD ACCEPT [0:0]
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:OUTPUT ACCEPT [10902:1431630]
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:POSTROUTING ACCEPT [10965:1438415]
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-A OUTPUT -j TOS --set-tos 0x10/0xff # ISPs hate this trick, learn how he gets 10 ping with one single rule
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COMMIT
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# Raw
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*raw
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:PREROUTING ACCEPT [8948:5925361]
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:OUTPUT ACCEPT [10902:1431630]
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COMMIT
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