Port Blocker 

Emsa Port Blocker is a TCP blocking utility. What it does, is blocking unwanted tcp access from/to your computer.It is not a firewall, but up to some extent it could be regarded as a similar tool. Its purpose is to prohibit TCP access on certain port......

Simply TCP Port blocker-log file will be generated for all hack attempt. Load at Windows start-up and Auto Start functions included.Doesn't require installation and willnever add new registry key entries to your Windows registry database.

 Port Blocker