iifname "lo" accept comment "!fw4: Accept traffic from loopback"
- ct state vmap { established : accept, related : accept } comment "!fw4: Handle inbound flows"
+ ct state established,related accept comment "!fw4: Allow inbound established and related flows"
iifname "eth0" jump input_zone1 comment "!fw4: Handle zone1 IPv4/IPv6 input traffic"
iifname "lo" jump input_zone2 comment "!fw4: Handle zone2 IPv4/IPv6 input traffic"
meta nfproto ipv4 ip saddr 127.0.0.0/8 jump input_zone3 comment "!fw4: Handle zone3 IPv4 input traffic"
chain forward {
type filter hook forward priority filter; policy drop;
- ct state vmap { established : accept, related : accept } comment "!fw4: Handle forwarded flows"
+ ct state established,related accept comment "!fw4: Allow forwarded established and related flows"
iifname "eth0" jump forward_zone1 comment "!fw4: Handle zone1 IPv4/IPv6 forward traffic"
iifname "lo" jump forward_zone2 comment "!fw4: Handle zone2 IPv4/IPv6 forward traffic"
meta nfproto ipv4 ip saddr 127.0.0.0/8 jump forward_zone3 comment "!fw4: Handle zone3 IPv4 forward traffic"
oifname "lo" accept comment "!fw4: Accept traffic towards loopback"
- ct state vmap { established : accept, related : accept } comment "!fw4: Handle outbound flows"
+ ct state established,related accept comment "!fw4: Allow outbound established and related flows"
oifname "eth0" jump output_zone1 comment "!fw4: Handle zone1 IPv4/IPv6 output traffic"
oifname "lo" jump output_zone2 comment "!fw4: Handle zone2 IPv4/IPv6 output traffic"
meta nfproto ipv4 ip daddr 127.0.0.0/8 jump output_zone3 comment "!fw4: Handle zone3 IPv4 output traffic"