PROBLEM:
How to configure SSH on Cisco Pix 501, 506e, and 515e Firewall?
Enable SSH on Cisco Pix Firewall
SOLUTION:
!--- Set Hostname.
hostname <name>
!--- Set Domain Name.
domain-name <domain.local>
!--- Allows SSH from this IP in the Outside interface.
ssh <ip> <subnet> outside
!--- Configure RSA Key.
ca zero rsa
ca generate rsa key 1024
ca save all