Just needed to get to know whether something listens at a certain TCP port on a particular host.

Here is my workaround using Perl:

Works at least for me. Any concerns or better solutions?

# 1 Comment

rocky | Permalink | 2013-11-09 19:07:27

Two alternatives come to mind. First use telnet with a port number. For example (using values in your example):

You’ll have to know how to close the connection if there is a “Connected” message.

Second use nmap which is something sysadmins should get very familiar with. Here: