port availability checker

I'm using this simple port testing software to check port:

I was thinking of adding ports listing and complete port dictionary to the application , byt I think
it's good how it is :) without having large lists of ports and and helps.

msn messenger port

As far as i know it has two types of connections:
And can be connected to : messenger.hotmail.com 1863 or
gateway.messenger.hotmail.com 80
And of cource you can use porttester to check if msn messager is available from your network

check tcp port availability

Port Tester

I need tool for testing port availability on client's server.
So I decided to write  port test  utility to verify availability of client's server.
This is beta version,provided "as is" with absolutely no warranty and responsibility.

It requires to have .Net 2.0 installed.And no installation required.
Port Tester Utility Download