diff --git a/scripts/install/rhel.sh b/scripts/install/rhel.sh
index dae31f8ab..7cdc92557 100644
--- a/scripts/install/rhel.sh
+++ b/scripts/install/rhel.sh
@@ -30,6 +30,9 @@ fi
 
 if [ -f /usr/sbin/iptables ];then
     # $PKGMGR install -y iptables-services
+
+    # iptables -nL --line-number
+    
     iptables -I INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
     iptables -I INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
     iptables -I INPUT -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT