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40 lines
1.1 KiB
Plaintext
40 lines
1.1 KiB
Plaintext
*filter
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# default policy is DROP
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-P INPUT DROP
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-P OUTPUT DROP
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-P FORWARD DROP
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# allow esp
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-A INPUT -i eth0 -p 50 -j ACCEPT
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-A OUTPUT -o eth0 -p 50 -j ACCEPT
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# allow IKE
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-A INPUT -i eth0 -p udp --sport 500 --dport 500 -j ACCEPT
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-A OUTPUT -o eth0 -p udp --dport 500 --sport 500 -j ACCEPT
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# allow MobIKE
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-A INPUT -i eth0 -p udp --sport 4500 --dport 4500 -j ACCEPT
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-A OUTPUT -o eth0 -p udp --dport 4500 --sport 4500 -j ACCEPT
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# allow last UDP fragment
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-A INPUT -i eth0 -p udp -m frag --fraglast -j ACCEPT
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# allow ICMPv6 neighbor-solicitations
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-A INPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
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-A OUTPUT -p icmpv6 --icmpv6-type neighbor-solicitation -j ACCEPT
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# allow ICMPv6 neighbor-advertisements
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-A INPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
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-A OUTPUT -p icmpv6 --icmpv6-type neighbor-advertisement -j ACCEPT
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# allow crl and certificate fetch from winnetou
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-A INPUT -i eth0 -p tcp --sport 80 -s fec0::15 -j ACCEPT
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-A OUTPUT -o eth0 -p tcp --dport 80 -d fec0::15 -j ACCEPT
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# log dropped packets
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-A INPUT -j LOG --log-prefix " IN: "
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-A OUTPUT -j LOG --log-prefix " OUT: "
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COMMIT
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