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-rw-r--r--package/firewall/Makefile2
-rw-r--r--package/firewall/files/reflection.hotplug16
2 files changed, 13 insertions, 5 deletions
diff --git a/package/firewall/Makefile b/package/firewall/Makefile
index ff62309d3a..25c1100405 100644
--- a/package/firewall/Makefile
+++ b/package/firewall/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=firewall
PKG_VERSION:=2
-PKG_RELEASE:=27
+PKG_RELEASE:=28
include $(INCLUDE_DIR)/package.mk
diff --git a/package/firewall/files/reflection.hotplug b/package/firewall/files/reflection.hotplug
index 4fd8f296de..7ab4c5fe81 100644
--- a/package/firewall/files/reflection.hotplug
+++ b/package/firewall/files/reflection.hotplug
@@ -91,23 +91,31 @@ if [ "$ACTION" = "add" ] && [ "$INTERFACE" = "wan" ]; then
[ "${inthost#!}" = "$inthost" ] || return 0
[ "${exthost#!}" = "$exthost" ] || return 0
+ [ "${epmin#!}" != "$epmin" ] && \
+ extport="! --dport ${epmin#!}${epmax:+:$epmax}" || \
+ extport="--dport $epmin${epmax:+:$epmax}"
+
+ [ "${ipmin#!}" != "$ipmin" ] && \
+ intport="! --dport ${ipmin#!}${ipmax:+:$ipmax}" || \
+ intport="--dport $ipmin${ipmax:+:$ipmax}"
+
local p
for p in ${proto:-tcp udp}; do
case "$p" in
tcp|udp)
iptables -t nat -A nat_reflection_in \
-s $lanip/$lanmk -d $exthost \
- -p $p --dport $epmin${epmax:+:$epmax} \
- -j DNAT --to $inthost:$ipmin${ipmax:+-$ipmax}
+ -p $p $extport \
+ -j DNAT --to $inthost:${ipmin#!}${ipmax:+-$ipmax}
iptables -t nat -A nat_reflection_out \
-s $lanip/$lanmk -d $inthost \
- -p $p --dport $ipmin${ipmax:+:$ipmax} \
+ -p $p $intport \
-j SNAT --to-source $lanip
iptables -t filter -A nat_reflection_fwd \
-s $lanip/$lanmk -d $inthost \
- -p $p --dport $ipmin${ipmax:+:$ipmax} \
+ -p $p $intport \
-j ACCEPT
;;
esac