ssh proxy
cathy@ubuntu:~$ sudo ssh -qTfnN -D 7070 onlybird@ssh2012.unssh.com -p 9999
[sudo] password for cathy:
The authenticity of host '[ssh2012.unssh.com]:9999 ([69.163.40.37]:9999)' can't be established.
RSA key fingerprint is 71:a7:9d:eb:6d:21:bc:67:3d:37:54:7f:45:0c:7e:05.
Are you sure you want to continue connecting (yes/no)? yes
onlybird@ssh2012.unssh.com's password:
cathy@ubuntu:~$