Merge branch 'master' into emergency

[firewall] / vampire.m4

diff --git a/vampire.m4 b/vampire.m4
index e378447..2cf1a13 100644 (file)
--- a/vampire.m4
+++ b/vampire.m4
@@ -53,6 +53,7 @@ allowservices inbound tcp \
        dns iodine \
        ssh \
        smtp submission \
+       rdesktop \
        gnutella_svc \
        ftp ftp_data \
        rsync \
@@ -92,5 +93,31 @@ run iptables -A OUTPUT -m multiport \
 dnsresolver inbound
 ntpclient inbound $ntp_servers
 
+## 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 $if_dmz
+run iptables -t nat -A outbound -j RETURN ! -s 172.29.198.0/23
+run iptables -t nat -A outbound -j RETURN -d 62.49.204.144/28
+run iptables -t nat -A outbound -j RETURN -d 172.29.198.0/23
+run iptables -t nat -A outbound -j SNAT --to-source 62.49.204.158
+run iptables -t nat -A POSTROUTING -j outbound
+
+## Set up NAT protocol helpers.  In particular, SIP needs some special
+## twiddling.
+run modprobe nf_conntrack_sip \
+  ports=5060 \
+  sip_direct_signalling=0 \
+  sip_direct_media=0
+for p in ftp sip h323; do
+  run modprobe nf_nat_$p
+done
+
 m4_divert(-1)
 ###----- That's all, folks --------------------------------------------------