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@@ -66,7 +66,7 @@ echo "Checking for return rule at the end of our chain."
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RETURNRULE="-A $CHAIN_NAME -p tcp -j RETURN"
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-if $FIREWALL -S $CHAIN_NAME | grep -q "$RETURNRULE"; then
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+if $FIREWALL -L $CHAIN_NAME -n | grep -q "tcp" && $FIREWALL -L $CHAIN_NAME -n | grep -q "RETURN"; then
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echo "Rule already exists: $RETURNRULE"
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else
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# Add the rule if it doesn't exist
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@@ -74,4 +74,4 @@ else
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echo "Rule added: $RETURNRULE"
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fi
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-echo "Done.
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+echo "Done."
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