How to check if i'm able to get to a remote server on a particular port

Question

i am on a Windows machine and need to connect to an application on a Unix box under a certain port.

i've been told it's open but i'm still having difficulties getting in, is there anything in can do on my end to debug this? how can i check if the port of the Unix server is really open from my IP address?

Answer 1

You can use Telnet.

E.g. telnet example.com 80 to check if the server at example.com accepts connections on port 80.