Telnet is a protocol that can be used to test connectivity to a remote server. Using telnet commands, you can prove whether a connection is possible on a specific port.
Please see the example below which tests if you can connect to Basware German Gateway The example is using a Windows environment.
- Open Command Prompt from the Windows Start Menu.
- Type in the telnet command, followed by the destination you are trying to reach, and finally the port you are trying to connect on. Example in the below screenshot.
- Hit Return and check how telnet responds.
If you're getting the error: "'telnet' is not recognized as an internal or external command, operable program or batch file.", then you need to enable the Telnet Client Windows feature and try again:
- Click Start > Control Panel.
- Click Programs and Features.
- Click Turn Windows features on or off.
- In the Windows Features dialog box, check the Telnet Client check box.
- Click OK. The system installs the appropriate files. This will take a few seconds to a minute.
The below screenshot shows a successful connection to the Basware German Gateway using port 443.
This next screenshot shows what would happen if the connection is unsuccessful. If this happens, please go back to the knowledgebase page that corresponds to your Basware German Gateway connection, and follow the troubleshooting steps.