m4_divert(46)m4_dnl
## Networks and routing.
+defiface $if_dmz \
+ trusted:62.49.204.144/28 \
+ trusted:172.29.199.0/25 \
+ untrusted:default
+defiface $if_trusted \
+ trusted:172.29.199.0/25 \
+ untrusted:default
+defiface $if_safe safe:172.29.199.192/26
defiface $if_untrusted \
untrusted:172.29.198.0/25
defvpn $if_vpn safe 172.29.199.128/27 \
defiface $if_iodine untrusted:172.29.198.128/28
defiface $if_its_mz safe:172.29.199.160/30
defiface $if_its_pi safe:192.168.0.0/24
-defiface $if_trusted \
- trusted:172.29.199.0/26 \
- safe:172.29.199.64/27 \
- untrusted:default
## Default NTP servers.
ntp_servers="158.152.1.76 158.152.1.204 194.159.253.2 195.173.57.232"
-s 172.29.198.0/23 \
-p udp --source-port $port_bootpc --destination-port $port_bootps
-## Incoming broadcast multicast on a network interface associated with the
-## trusted network is OK, since it must have originated there (or been
-## forwarded, but we don't do that yet).
-run iptables -A inbound -j ACCEPT \
+## Incoming multicast on a network interface associated with a trusted
+## network is OK, since it must have originated there (or been forwarded, but
+## we don't do that yet).
+for i in $(echo $if_trusted $if_dmz $if_safe | sed 'y/,/ /'); do
+ echo $i
+done | {
+ seen=:
+ while read i; do
+ case "$seen" in *:$i:*) continue ;; esac
+ seen=$seen$i:
+ run iptables -A inbound -j ACCEPT \
-s 0.0.0.0 -d 224.0.0.0/24 \
- -i $if_trusted
+ -i $i
+ done
+}
## Allow incoming ping. This is the only ICMP left.
run ip46tables -A inbound -j ACCEPT -p icmp