[package] firewall: allow incoming udp/68 packets in the default configuration (#4108, #4781)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17238 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/firewall/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=firewall
 
 PKG_VERSION:=1
-PKG_RELEASE:=4
+PKG_RELEASE:=5
 
 include $(INCLUDE_DIR)/package.mk
 

package/firewall/files/firewall.config

@@ -22,6 +22,14 @@ config forwarding
 	option dest     wan
 	option mtu_fix	1
 
+# We need to accept udp packets on port 68,
+# see https://dev.openwrt.org/ticket/4108
+config rule
+	option src		wan
+	option proto		udp
+	option dest_port	68
+	option target		ACCEPT
+
 # include a file with users custom iptables rules
 config include
 	option path /etc/firewall.user