vi /etc/sysconfig/iptables 

# Generated by iptables-save v1.4.7 on Mon Feb   ::

*nat

:PREROUTING ACCEPT [:]

:POSTROUTING ACCEPT [:]

:OUTPUT ACCEPT [:]

-A PREROUTING -p tcp -m tcp --dport  -j REDIRECT --to-ports

COMMIT

# Completed on Mon Feb   :: 

# Generated by iptables-save v1.4.7 on Tue Jan  ::

*filter

:INPUT ACCEPT [:]

:FORWARD ACCEPT [:]

:OUTPUT ACCEPT [:]

-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT

-A INPUT -m state --state NEW -m tcp -p tcp --dport  -j ACCEPT

COMMIT

# Completed on Tue Jan  :: 

service iptables restart