From 56f460fedee62e35c303d81e8c1e395b5a66198b Mon Sep 17 00:00:00 2001
From: "bbruns@gmail.com"
 <bbruns@gmail.com@e5899ace-8841-11de-95b9-8f387cfb8bc3>
Date: Sun, 30 Mar 2014 18:32:52 +0000
Subject: [PATCH]

---
 etc/ipv4/mss-clamp.conf |  2 +-
 etc/ipv6/mss-clamp.conf |  2 +-
 lib/iptables.inc        | 18 ++++++++++--------
 3 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/etc/ipv4/mss-clamp.conf b/etc/ipv4/mss-clamp.conf
index 471035e..c226a23 100644
--- a/etc/ipv4/mss-clamp.conf
+++ b/etc/ipv4/mss-clamp.conf
@@ -10,4 +10,4 @@
 # Interface is required.
 #
 # interface		mss size	type
-eth0			-			-
\ No newline at end of file
+eth0			-			-
diff --git a/etc/ipv6/mss-clamp.conf b/etc/ipv6/mss-clamp.conf
index 471035e..c226a23 100644
--- a/etc/ipv6/mss-clamp.conf
+++ b/etc/ipv6/mss-clamp.conf
@@ -10,4 +10,4 @@
 # Interface is required.
 #
 # interface		mss size	type
-eth0			-			-
\ No newline at end of file
+eth0			-			-
diff --git a/lib/iptables.inc b/lib/iptables.inc
index 68d82e3..1d7791d 100644
--- a/lib/iptables.inc
+++ b/lib/iptables.inc
@@ -164,15 +164,17 @@ function enable_mss_clamp {
 	esac
 	${debug} ${DebugColor} "${FUNCNAME}: loading"
 	if [ -e "${FWCONFIGDIR}/ipv${IPVER}/mss-clamp.conf" ]; then
-	while read -r interface mss type; do
-        [[ ${interface} = \#* ]] && continue
-		[ ${mss} == "-" ] && mss="1400:1536"
-		[ ${type} == "-" ] && type="${OutFilter}"
-		[ ${type} == "out" ] && type="${OutFilter}"
-		[ ${type} == "fwd" ] && type="${FwdFilter}"
-		${VER_IPTABLES} -A ${type} -p tcp --tcp-flags SYN,RST SYN -j TCPMSS \
+		${debug} ${DebugColor} "${FUNCNAME}: read ${FWCONFIGDIR}/ipv${IPVER}/mss-clamp.conf successful"
+		while read -r interface mss type; do
+			[[ ${interface} = \#* ]] && continue
+			[[ ${mss} == "-" ]] && mss="1400:1536"
+			[[ ${type} == "-" ]] && type="${OutFilter}"
+			[[ ${type} == "out" ]] && type="${OutFilter}"
+			[[ ${type} == "fwd" ]] && type="${FwdFilter}"
+			${debug} ${DebugColor} "${FUNCNAME}: Read: ${interface} ${mss} ${type}"
+			${VER_IPTABLES} -A ${type} -p tcp --tcp-flags SYN,RST SYN -j TCPMSS \
 				--clamp-mss-to-pmtu -o $i -m tcpmss --mss ${mss}
-	done < "${FWCONFIGDIR}/ipv${IPVER}/mss-clamp.conf"
+		done < "${FWCONFIGDIR}/ipv${IPVER}/mss-clamp.conf"
 
 		${debug} ${DebugColor} "${FUNCNAME}: done"
 	else