fix: Added -n option in iptables list cmd to prevent reverse dns lookup (#2686)

tamilmani1989 · web-flow · commit 1fa776556e7d · 2024-04-18T18:58:40.000-07:00
cherry pick from commit id b8f6db6
diff --git a/iptables/iptables.go b/iptables/iptables.go
@@ -109,7 +109,7 @@ func RunCmd(version, params string) error {
 
 // check if iptable chain alreay exists
 func ChainExists(version, tableName, chainName string) bool {
-	params := fmt.Sprintf("-t %s -L %s", tableName, chainName)
+	params := fmt.Sprintf("-t %s -nL %s", tableName, chainName)
 	if err := RunCmd(version, params); err != nil {
 		return false
 	}

Original file line number	Diff line number	Diff line change
`@@ -109,7 +109,7 @@ func RunCmd(version, params string) error {`
`109`	`109`
`110`	`110`	`// check if iptable chain alreay exists`
`111`	`111`	`func ChainExists(version, tableName, chainName string) bool {`
`112`		`- params := fmt.Sprintf("-t %s -L %s", tableName, chainName)`
	`112`	`+ params := fmt.Sprintf("-t %s -nL %s", tableName, chainName)`
`113`	`113`	`if err := RunCmd(version, params); err != nil {`
`114`	`114`	`return false`
`115`	`115`	`}`