### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
###--------------------------------------------------------------------------
-### Config settings.
-
-## This router 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=eth0.0
-if_trusted=eth0.1
-if_safe=$if_dmz,$if_trusted
-if_untrusted=eth0.3
-if_vpn=vpn-+
-if_iodine=dns+
-if_its_mz=$if_dmz,$if_trusted
-if_its_pi=$if_dmz,$if_trusted
-
-m4_divert(-1)
-###--------------------------------------------------------------------------
### vampire-specific rules.
-m4_divert(82)m4_dnl
+m4_divert(86)m4_dnl
## Externally visible services.
allowservices inbound tcp \
finger ident \
dns iodine \
ssh \
smtp submission \
+ rdesktop \
gnutella_svc \
ftp ftp_data \
rsync \
dnsresolver inbound
ntpclient inbound $ntp_servers
+## IPv6 6-in-4 tunnel.
+run iptables -A inbound -j ACCEPT \
+ -p $proto_ipv6 -s 216.66.80.26
+
+## NAT for RFC1918 addresses.
+for i in PREROUTING OUTPUT POSTROUTING; do
+ run iptables -t nat -P $i ACCEPT 2>/dev/null || :
+ run iptables -t nat -F $i 2>/dev/null || :
+done
+run iptables -t nat -F
+run iptables -t nat -X
+
+run iptables -t nat -N outbound
+run iptables -t nat -A outbound -j RETURN ! -o eth0.0
+run iptables -t nat -A outbound -j RETURN ! -s 172.29.198.0/23
+run iptables -t nat -A outbound -j RETURN -d 62.49.204.144/28
+run iptables -t nat -A outbound -j RETURN -d 172.29.198.0/23
+run iptables -t nat -A outbound -j SNAT --to-source 62.49.204.158
+run iptables -t nat -A POSTROUTING -j outbound
+
+## Set up NAT protocol helpers. In particular, SIP needs some special
+## twiddling.
+run modprobe nf_conntrack_sip \
+ ports=5060 \
+ sip_direct_signalling=0 \
+ sip_direct_media=0
+for p in ftp sip h323; do
+ run modprobe nf_nat_$p
+done
+
+## Forbid anything complicated to the NAT address.
+run iptables -A INPUT -d 62.49.204.158 ! -p icmp -j REJECT
+
m4_divert(-1)
###----- That's all, folks --------------------------------------------------