$IP6TABLES -A INPUT -p ipv6-icmp -j ACCEPT
# drop source-route rh0 headery things
-$IP6TABLES -A INPUT -m rt --rt-type 0 -j DROP
+$IP6TABLES -A INPUT -m rt --rt-type 0 -j DROP || echo "MISSING RT MATCH" 1>&2
# accept things we set up
$IPTABLES -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
create_set allowed_udp bitmap:port range 0-65535
create_set allowed_tcp bitmap:port range 0-65535
-for p in 22 25 53 80 143 443 587 993 1194 5000 5222 5269 22556 64738
-do
- $IPSET -exist add allowed_tcp ${p}
-done
-for p in 53 123 1194 64738
-do
- $IPSET -exist add allowed_udp ${p}
-done
+# common services
+allow_services ssh smtp submission domain ntp
+
+# per-host services
+srv_file="services.$(hostname -s)"
+if [ -e "${srv_file}" ]
+then
+ . "${srv_file}"
+fi
$IPTABLES -A INPUT -i "${EXT_IF}" -p tcp -m set --match-set allowed_tcp dst -j ACCEPT
$IPTABLES -A INPUT -i "${EXT_IF}" -p udp -m set --match-set allowed_udp dst -j ACCEPT