### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
###--------------------------------------------------------------------------
-### Config settings.
-
-## This host isn't a router.
-setconf(forward, 0)
-
-## This host is involved in a routing asymmetry.
-setconf(rp_filter, 0)
-setconf(log_martians, 0)
-
-###--------------------------------------------------------------------------
-### Network interfaces.
-
-m4_divert(44)m4_dnl
-## Interface definitions.
-if_dmz=eth0
-if_trusted=eth1
-if_safe=$if_dmz,$if_trusted
-if_untrusted=$if_dmz,$if_trusted
-if_vpn=$if_dmz,$if_trusted
-if_iodine=$if_dmz,$if_trusted
-if_its_mz=$if_dmz,$if_trusted
-if_its_pi=$if_dmz,$if_trusted
-
-m4_divert(-1)
-###--------------------------------------------------------------------------
### jem-specific rules.
-m4_divert(82)m4_dnl
+m4_divert(86)m4_dnl
+## Set up the SAUCE sinbin. Unfortunately, ipset is a bit brittle. This
+## isn't a completely critical part of the firewall security, so don't make
+## this fail the entire script.
+errorchain sauce REJECT
+makeset sauce iphash || :
+iptables -A inbound -g sauce -m set --match-set sauce src || :
+
## Externally visible services.
allowservices inbound tcp \
ssh \
ident \
- smtp submission \
- http https \
- imaps
+ imaps \
+ http https rsync \
+ git
+
+allowservices inbound-untrusted tcp \
+ sunrpc mount nfs
+allowservices inbound-untrusted udp \
+ sunrpc mount nfs
## Provide DNS resolution to local untrusted hosts.
for p in tcp udp; do
- run iptables -A inbound -j ACCEPT \
- -s 172.29.198.0/24 \
+ run ip46tables -A inbound -j ACCEPT \
-p $p --destination-port $port_dns
done
-## Allow smb and nmb to untrusted hosts. This is a bit experimental.
-run iptables -A inbound -j ACCEPT \
- -s 172.29.198.0/24 \
- -p udp -m multiport --destination-ports \
- $port_netbios_ns,$port_netbios_dgm
-run iptables -A inbound -j ACCEPT \
- -s 172.29.198.0/24 \
- -p tcp -m multiport --destination-ports \
- $port_netbios_ssn,$port_microsoft_ds
+## Other interesting things.
+dnsresolver inbound
m4_divert(-1)
###----- That's all, folks --------------------------------------------------