firewall: comply with REC-22, REC-24 of RFC 6092

Signed-off-by: Steven Barth <steven@midlink.org>

SVN-Revision: 46478

package/network/config/firewall/Makefile

@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=firewall
-PKG_VERSION:=2015-05-26
+PKG_VERSION:=2015-07-22
 PKG_RELEASE:=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git

package/network/config/firewall/files/firewall.config

@@ -159,19 +159,18 @@ config include
 #	option proto		tcp
 
 # allow IPsec/ESP and ISAKMP passthrough
-#config rule
-#	option src		wan
-#	option dest		lan
-#	option protocol		esp
-#	option target		ACCEPT
+config rule
+	option src		wan
+	option dest		lan
+	option protocol		esp
+	option target		ACCEPT
 
-#config rule
-#	option src		wan
-#	option dest		lan
-#	option src_port		500
-#	option dest_port	500
-#	option proto		udp
-#	option target		ACCEPT
+config rule
+	option src		wan
+	option dest		lan
+	option dest_port	500
+	option proto		udp
+	option target		ACCEPT
 
 ### FULL CONFIG SECTIONS
 #config rule