firewall: Add IRC 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 PPTP SIP TFTP; do \
+	for proto in AMANDA FTP IRC PPTP SIP TFTP; do \
 		echo "CONNTRACK_$${proto}=on" >> $(CONFIG_ROOT)/optionsfw/settings; \
 	done
 

src/initscripts/init.d/firewall

@@ -126,6 +126,13 @@ iptables_init() {
 		iptables -t raw -A CONNTRACK -p udp --dport 69 -j CT --helper tftp
 	fi
 
+	# IRC
+	if [ "${CONNTRACK_IRC}" = "on" ]; then
+		iptables -A CONNTRACK -m conntrack --ctstate RELATED \
+			-m helper --helper irc -j ACCEPT
+		iptables -t raw -A CONNTRACK -p tcp --dport 6667 -j CT --helper irc
+	fi
+
 	# Amanda
 	if [ "${CONNTRACK_AMANDA}" = "on" ]; then
 		iptables -A CONNTRACK -m conntrack --ctstate RELATED \