2013
![](http://blogmarks.net/screenshots/2013/11/22/e89fe83765b5cd6e121fc7093b35bf1e.png)
Open Port Check Tool
This page will serve as a free utility for remotely verifying a port is open or closed. It will be useful for users who wish to check to see if a server is running or a firewall or ISP is blocking certain ports.
2009
1
(2 marks)