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Specifying filter process to correct iptables rules

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This commit is contained in:
Gyorgy Berenyi
2022-05-19 05:48:23 +00:00
parent abe47c7622
commit b7ec1b9549
1 changed files with 2 additions and 2 deletions
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4
firewall/firewall-add
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@@ -62,7 +62,7 @@ fi;
prerouting() {
LINES=$($IPTABLES -L --line-number -n | grep $SOURCE_PORT |grep $TARGET_IP |grep $TARGET_PORT |grep $COMMENT | awk '{print $1}'| tac)
LINES=$($IPTABLES -L --line-number -n | grep PREROUTING | grep $SOURCE_PORT |grep $TARGET_IP |grep $TARGET_PORT |grep $COMMENT | awk '{print $1}'| tac)
debug "Previous prerouting lines: "$LINES
# DELETE UNECESSARY LINES FROM PREVIOUS RULES
if [ -n "$LINES" ] ; then
@@ -80,7 +80,7 @@ prerouting() {
postrouting() {
if [ -n "$SOURCE_IP" ] ; then
LINES=$($IPTABLES -L --line-number -n | grep $COMMENT | grep $SOURCE_IP | grep $SOURCE_PORT | awk '{print $1}'| tac)
LINES=$($IPTABLES -L --line-number -n | grep POSTROUTING | grep $COMMENT | grep $SOURCE_IP | grep $SOURCE_PORT | awk '{print $1}'| tac)
debug "Previous postrouting lines: "$LINES
# DELETE UNECESSARY LINES FROM PREVIOUS RULES