From a60422cfe66f33b0f95428e6319d9483a7a3e3ea Mon Sep 17 00:00:00 2001 From: gyurix Date: Thu, 10 Mar 2022 20:31:47 +0000 Subject: [PATCH] Correcting prerouting and postrouting search filter for more precise results --- firewall/firewall-add | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/firewall/firewall-add b/firewall/firewall-add index 6ee9844..13f621d 100755 --- a/firewall/firewall-add +++ b/firewall/firewall-add @@ -60,7 +60,7 @@ IPTABLES=/sbin/iptables-legacy ############################### prerouting() { - LINES=$($IPTABLES -L --line-number -n | grep $COMMENT | grep DNAT |awk '{print $1}'| tac) + LINES=$($IPTABLES -L --line-number -n | grep $COMMENT | grep $SOURCE_IP | grep $SOURCE_PORT |grep $TARGET_IP |grep $TARGET_PORT | grep awk '{print $1}'| tac) debug "Previous prerouting lines: "$LINES # DELETE UNECESSARY LINES FROM PREVIOUS RULES if [ -n "$LINES" ] ; then @@ -76,7 +76,7 @@ prerouting() { } postrouting() { - LINES=$($IPTABLES -L --line-number -n | grep $COMMENT | grep MASQUERADE | awk '{print $1}'| tac) + LINES=$($IPTABLES -L --line-number -n | grep $COMMENT | grep $TARGET_IP | grep MASQUERADE | awk '{print $1}'| tac) debug "Previous postrouting lines: "$LINES # DELETE UNECESSARY LINES FROM PREVIOUS RULES