Note: These protocols are not enabled by default on Cisco router (ASA)
First: Generate the RSA key pairs (not required for telnet)
– Secondly: Designate the permitted host and network and
– Thirdly assign the password.
Note: Telnet does not require to generate the RSA key and it is not secure.
ASA(Config)# telnet 10.10.1.0 255.0.0.0 inside
ASA(Config)#passwd 2344
ASA(Config)#telnet timeout 00
For SSH: Below are the configuration steps
ASA(Config)# crypto key generate rsa modulus 1024
ASA(Config)#ssh 10.10.1.0 255.0.0.0 inside
Note: you can specify and individual node.
ASA(Config)#passwd 1234
Note: you can configure and enable these feature via Cisco ASDM