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