help me please i dont know how to portforwarding

HELP ME PLEASE HOW TO FIX THAT http://i65.tinypic.com/5mzgh2.png pm me on my facebook BandolJade or comment

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refer to your router manual guide

Do the following steps below.
1. Check your iptables, enable port 1433 for MSSQL connection
2. Config your MSSQL server to accept connection from Centos.