Cisco: View Active SSH Sessions

Issue this command in order to check the number of SSH sessions that are connected and the connection state to the PIX:

pix#show ssh session
 
SID Client IP       Version Mode Encryption Hmac     State            Username
0   10.1.1.2        1.99    IN   aes128-cbc md5      SessionStarted   pix
                            OUT  aes128-cbc md5      SessionStarted   pix

Reference:
PIX/ASA 7.x: SSH/Telnet on the Inside and Outside Interface Configuration Example
http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a008069bf1b.shtml#active