43 lines
1.4 KiB
Plaintext
43 lines
1.4 KiB
Plaintext
define netif = enp0s3
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define dmzif = enp0s8
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define lanif = enp0s9
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define firewall = 192.168.0.120
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define ipdmz = 172.16.0.254
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define iplan = 10.0.0.254
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table ip ipfilter{
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chain prerouting {
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type filter hook prerouting priority filter; policy drop;
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icmp type echo-reply accept
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icmp type echo-request iif {$lanif} ip daddr 172.16.0.1-172.16.0.254 accept
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icmp type echo-request iif {$lanif} ip daddr {$iplan} accept
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tcp dport 22 accept
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}
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chain system_in {
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type filter hook input priority filter; policy drop;
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icmp type echo-reply accept
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icmp type echo-request iif {$lanif} accept
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tcp dport 22 accept
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}
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chain routing {
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type filter hook forward priority filter; policy drop;
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icmp type echo-request iif {$lanif} oif {$dmzif} accept
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icmp type echo-reply iif {$dmzif} oif {$lanif} accept
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}
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chain system_out {
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type filter hook output priority filter; policy drop;
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icmp type echo-reply oif {$lanif} accept
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icmp type echo-request accept
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tcp sport 22 accept
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}
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chain postrouting {
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type filter hook postrouting priority filter; policy drop;
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icmp type echo-request ip saddr {$iplan, $ipdmz, $firewall} accept
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icmp type echo-reply iif {$dmzif} oif {$lanif} accept
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icmp type echo-request iif {$lanif} oif {$dmzif} accept
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icmp type echo-request ip saddr $iplan oif $lanif accept
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tcp sport 22 accept
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}
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}
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