Proxy ssh connection into telnet.
$ ssh2telnet -h
Usage:
ssh2telnet [OPTIONS]
Application Options:
-a, --addr= Address to listen (default: localhost:2222)
-k, --key= Path to the host key
-l, --login Enable auto login
--login-prompt= Login prompt (default: "login: ")
--password-prompt= Password prompt (default: "Password: ")
Help Options:
-h, --help Show this help message
Start a ssh server.
$ ssh2telnet -a :2222
Starting ssh server on :2222
Connect the server from another terminal. The specified username will be interpeted into the hostname. Now the proxied telnet session is attached to the target host.
$ ssh localhost -p 2222 -l 192.168.1.1
User Access Verification
Username: vagrant
Password:
RP/0/RSP0/CPU0:R1#show clock
Thu Nov 11 00:00:00.000 JST
00:00:00:000 JST Thu Nov 11 2021
RP/0/RSP0/CPU0:R1#exit
Connection to localhost closed.
ssh2telnet also comes with the auto login feature.
Start a ssh server with the --login option and specify --login-prompt and/or --password-prompt if necessary.
$ ssh2telnet -a :2222 -l --login-prompt 'Username: '
Starting ssh server on :2222
Connect the server from another terminal. The specified username will be interpeted into 'username@hostname'. Login password for the target host is also prompted afterward.
$ ssh localhost -p 2222 -l vagrant@192.168.1.1
vagrant@192.168.1.1@localhost's password:
RP/0/RSP0/CPU0:R1#show clock
Thu Nov 11 00:00:00.000 JST
00:00:00:000 JST Thu Nov 11 2021
RP/0/RSP0/CPU0:R1#exit
Connection to localhost closed.