SSH access for Riverstone RS routers

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Secure Shell provides essentially provides an encrypted “Telnet like” access to a device. RapidOS currently implements SSH v1.5. The RS SSH implementation is accessible via a number of available SSH packages such as SecureCRT and TeraTerm.

The following is a base configuration for enabling SSH on the RS platform:

To turn off the telnet server all together in favor of the SSH server, you should use the command to turn the SSH server on first:

 rs# ssh server generate-key rsa

Then turn off the telnet server with the command:

 rs(config)# system disable telnet-server

The SSH server can be monitored via the following commands:

 rs# system show users
 rs# system show ssh-access

It is also a good idea to restrict access to the server implementation on the RS by including a service level ACL to limit the access to the RS and log any unauthorized attempts.

 rs(config)# acl restrict-ssh permit ip 10.10.1.0/24
 rs(config)# acl restrict-ssh apply service ssh logging deny-only

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