Appliance Access - Telnet

Telnet is a great way to communicate with Cyberoam if you don’t have access to the appliance GUI. However, the bad side of Telnet is that the connection between you and Cyberoam is being sent in a clear text including the password you type to log on (there is no encryption involved), which is not good if there is a sniffer in your network, thus, telnet in most cases is not recommended.

More about telnet can be found at this Wikipedia page:

https://en.wikipedia.org/wiki/Telnet

To establish a connection, just open a CMD window and type the following command to access Cyberoam CLI:

telnet (Cyberoam IP or the sub-interface IP)

 

Cyberoam will ask for the (admin user) password. The default password for the admin user is (admin), if successfully authenticated, the following menu will appear (depending on the firmware you have):

You can see from the image above that the CLI provides major operations on the appliance, such as resetting the firewall to its factory defaults (5 > 2), the ability to change the interfaces configuration (1 > 1), an access to Cyberoam console (5), shutting down or rebooting the device (7), and many other important sub commnads which you can explore, however, I will not go through all the available options, but I would like to point out some important and quick notes to get started:

To access Cyberoam through telnet, you have to change the settings on Cyberoam to allow telnet connections from the zone (s) you want. Please check my previous post: Appliance Access.

You must have (telnet client) enabled on your operating system in order to be able to connect to Cyberoam CLI. For Windows 7 or 8 or 10, you can install (telnet client) by going to the Control Panel, Programs and features and clicking on (turning windows features on or off), and for Windows Server Operating System, you can add the (telnet client) as a feature through “Server Manager”.

 If you failed to provide the correct password once, Cyberoam will close the connection, and you have to try to telnet the appliance again.

Cyberoam only accepts the (admin user) password, it will not accept other user’s passwords, in case you have added users to Cyberoam.

Thank you

Abed Jaber