diff --git a/install_script.sh b/install_script.sh
index aacb055..b8cce04 100644
--- a/install_script.sh
+++ b/install_script.sh
@@ -3,7 +3,7 @@
 #                                                     #
 # This is a ocserv installation for CentOS 7 and 6    #
 # Version: 1.1.1 20181101                             #
-# Author: haolong,zcm8483@gmail.com                   #
+# Author: rajaali444u@gmail.com                 #
 # Website: https://github.com/chendong12/ocserv       #
 #                                                     #
 ####################################################
@@ -50,8 +50,8 @@ function sys_clean(){
 	sed -i '/iptables -A INPUT -p icmp -j ACCEPT/d' /etc/rc.d/rc.local
 	sed -i '/iptables -A INPUT -p tcp --dport 22 -j ACCEPT/d' /etc/rc.d/rc.local
 	sed -i '/iptables -I INPUT -p tcp --dport 80 -j ACCEPT/d' /etc/rc.d/rc.local
-	sed -i '/iptables -A INPUT -p tcp --dport 4433 -j ACCEPT/d' /etc/rc.d/rc.local
-	sed -i '/iptables -A INPUT -p udp --dport 4433 -j ACCEPT/d' /etc/rc.d/rc.local
+	sed -i '/iptables -A INPUT -p tcp --dport 443 -j ACCEPT/d' /etc/rc.d/rc.local
+	sed -i '/iptables -A INPUT -p udp --dport 443 -j ACCEPT/d' /etc/rc.d/rc.local
 	sed -i '/iptables -A INPUT -j DROP/d' /etc/rc.d/rc.local
 	sed -i '/iptables -t nat -F/d' /etc/rc.d/rc.local
 	sed -i '/iptables -t nat -A POSTROUTING -s 10.12.0.0\/24 -o eth0 -j MASQUERADE/d' /etc/rc.d/rc.local
@@ -152,8 +152,8 @@ iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
 iptables -A INPUT -p icmp -j ACCEPT
 iptables -A INPUT -p tcp --dport 22 -j ACCEPT
 iptables -I INPUT -p tcp --dport 80 -j ACCEPT
-iptables -A INPUT -p tcp --dport 4433 -j ACCEPT
-iptables -A INPUT -p udp --dport 4433 -j ACCEPT
+iptables -A INPUT -p tcp --dport 443 -j ACCEPT
+iptables -A INPUT -p udp --dport 443 -j ACCEPT
 iptables -A INPUT -j DROP
 iptables -t nat -F
 iptables -t nat -A POSTROUTING -s 10.12.0.0/24 -o eth0 -j MASQUERADE