Have you had the need to test an outgoing port through a firewall to verify that the port was open for outbound traffic? There is a great tool called Outgoing Port Tester that will test any TCP port using a variety of methods. You can use your browser to test most ports using the following URL.
Test a port using a command
$ telnet portquiz.net 80
Trying ...
Connected to portquiz.net.
Escape character is '^]'.
$ nc -v portquiz.net 80
Connection to portquiz.net 80 port [tcp/daytime] succeeded!
$ curl portquiz.net:80
Port 80 test successful!
Your IP: 64.58.12.106
$ wget -qO- portquiz.net:80
Port 80 test successful!
Your IP: 64.58.12.106
# For Windows PowerShell users
PS C:\> Test-NetConnection -InformationLevel detailed -ComputerName portquiz.net -Port 80
We hope that this information is helpful. Please let us know how this has helped you or if you have additional questions. As always Firestone Technical Resources, Inc. is here to help with your computer support issues - "Providing personal service for your impersonal technology."