firewall: Add H.323 to the conntrack helpers

lfs/configroot

@@ -136,7 +136,7 @@ $(TARGET) :
 	echo  "POLICY1=MODE2"		>> $(CONFIG_ROOT)/firewall/settings
 
 	# Add conntrack helper default settings
-	for proto in AMANDA FTP IRC PPTP SIP TFTP; do \
+	for proto in AMANDA FTP H323 IRC PPTP SIP TFTP; do \
 		echo "CONNTRACK_$${proto}=on" >> $(CONFIG_ROOT)/optionsfw/settings; \
 	done
 

src/initscripts/init.d/firewall

@@ -105,6 +105,18 @@ iptables_init() {
 		done
 	fi
 
+	# H.323
+	if [ "${CONNTRACK_H323}" = "on" ]; then
+		iptables -A CONNTRACK -m conntrack --ctstate RELATED \
+			-m helper --helper h323 -j ACCEPT
+
+		# Gatekeeper RAS
+		iptables -t raw -A CONNTRACK -p udp --dport 1719 -j CT --helper h323
+
+		# Q.931
+		iptables -t raw -A CONNTRACK -p tcp --dport 1720 -j CT --helper h323
+	fi
+
 	# FTP
 	if [ "${CONNTRACK_FTP}" = "on" ]; then
 		iptables -A CONNTRACK -m conntrack --ctstate RELATED \