Update README.md

README.md

@@ -74,10 +74,6 @@ getent passwd
 ### IP Tables
 ```sh
 yum install iptables-services
-iptables --flush INPUT
-iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 20 -j ACCEPT
-iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 3306 -j ACCEPT
-iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 21 -j ACCEPT
 iptables -A INPUT -p tcp -m tcp --sport 1024:65535 --dport 20:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
 iptables -A INPUT -j DROP
 service iptables save