From dc1a20a0201bcee63c85ab2ee6e718b026c65c8b Mon Sep 17 00:00:00 2001
From: nico <nico@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sun, 27 Sep 2009 13:57:09 +0000
Subject: [package] firewall: fix MSS issue affection RELATED new connections
 (closes: #5173)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17762 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 package/firewall/Makefile              | 2 +-
 package/firewall/files/firewall.config | 2 +-
 package/firewall/files/uci_firewall.sh | 6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/package/firewall/Makefile b/package/firewall/Makefile
index 2e236fe719..fbbe056c03 100644
--- a/package/firewall/Makefile
+++ b/package/firewall/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=firewall
 
 PKG_VERSION:=1
-PKG_RELEASE:=7
+PKG_RELEASE:=8
 
 include $(INCLUDE_DIR)/package.mk
 
diff --git a/package/firewall/files/firewall.config b/package/firewall/files/firewall.config
index 5a4b5af436..50a92f71ef 100644
--- a/package/firewall/files/firewall.config
+++ b/package/firewall/files/firewall.config
@@ -16,11 +16,11 @@ config zone
 	option output	ACCEPT 
 	option forward	REJECT
 	option masq		1 
+	option mtu_fix	1
 
 config forwarding 
 	option src      lan
 	option dest     wan
-	option mtu_fix	1
 
 # We need to accept udp packets on port 68,
 # see https://dev.openwrt.org/ticket/4108
diff --git a/package/firewall/files/uci_firewall.sh b/package/firewall/files/uci_firewall.sh
index 3c13631a3b..3aa1f69c46 100755
--- a/package/firewall/files/uci_firewall.sh
+++ b/package/firewall/files/uci_firewall.sh
@@ -63,6 +63,7 @@ create_zone() {
 	$IPTABLES -N zone_$1_prerouting -t nat
 	$IPTABLES -t raw -N zone_$1_notrack
 	[ "$6" == "1" ] && $IPTABLES -t nat -A POSTROUTING -j zone_$1_nat
+	[ "$7" == "1" ] && $IPTABLES -I FORWARD 1 -j zone_$1_MSSFIX
 }
 
 addif() {
@@ -227,11 +228,12 @@ fw_zone() {
 	config_get network $1 network
 	config_get_bool masq $1 masq "0"
 	config_get_bool conntrack $1 conntrack "0"
+	config_get_bool mtu_fix $1 mtu_fix 0
 
 	load_policy $1
 	[ "$conntrack" = "1" -o "$masq" = "1" ] && append CONNTRACK_ZONES "$name"
 	[ -z "$network" ] && network=$name
-	create_zone "$name" "$network" "$input" "$output" "$forward" "$masq"
+	create_zone "$name" "$network" "$input" "$output" "$forward" "$masq" "$mtu_fix"
 	fw_custom_chains_zone "$name"
 }
 
@@ -305,11 +307,9 @@ fw_forwarding() {
 
 	config_get src $1 src
 	config_get dest $1 dest
-	config_get_bool mtu_fix $1 mtu_fix 0
 	[ -n "$src" ] && z_src=zone_${src}_forward || z_src=forward
 	[ -n "$dest" ] && z_dest=zone_${dest}_ACCEPT || z_dest=ACCEPT
 	$IPTABLES -I $z_src 1 -j $z_dest
-	[ "$mtu_fix" -gt 0 -a -n "$dest" ] && $IPTABLES -I $z_src 1 -j zone_${dest}_MSSFIX
 
 	# propagate masq zone flag
 	find_item "$src" $CONNTRACK_ZONES && append CONNTRACK_ZONES $dest
-- 
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