Purpose

To test if a connection is successful through a specific port.

Note: Operating Systems Vista and newer may require enabling this feature first.

How to Enable the telnet client for Windows Vista, 7, 2008, 8, & 2012

Access Control Panel\All Control Panel Items\Programs and Features

On the left side, click on "Turn Windows features on or off"

Once the list loads up, scroll down and look for "Telnet Client". Put a check in the box next to this, then hit "OK". It may take a few minutes to install telnet client.

Using Telnet

Open Command Prompt and enter: telnet {MachineName} {Port}

For Example:

telnet {machinename} 5120

If the command prompt returns a blank screen the connection was successful on the indicated port.

If an error occurs verify the MachineName as well as port. If Machine name is correct, the port may be blocked.

A common Test for Protect would be:

Console to Target:

telnet {machinename} 5120

Target to Console:

telnet {machinename} 3121

Console to Agent:

telnet {agentmachinename} 4155

Additional Information

Related Documentation:

http://community.shavlik.com/docs/DOC-2161

Shavlik Protect Inbound and Outbound Port Requirements Explanations

Shavlik Protect Inbound and Outbound Port Requirements Explanations

You can find more information on telnet with the following methods:

In command prompt run: telnet -?

Refer to the following Microsoft articles:

Telnet protocol: http://support.microsoft.com/kb/231866

Telnet commands: http://technet.microsoft.com/en-us/library/bb491013.aspx

Affected Product(s)

Protect Version: All