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How do I configure telnet and SSH access on a cisco pix 501?  Also, will I have to create a Access-list to allow telnet and SSH?

Posted on 2008-11-09
Medium Priority
Last Modified: 2012-08-14
How do I configure telnet and SSH access on a cisco pix 501?  Also, will I have to create an Access-list to allow telnet and SSH?  If anyone can send me a configuration example it would be great.  Thanks
Question by:Crossroads305
LVL 28

Accepted Solution

batry_boy earned 2000 total points
ID: 22918977
Here is the command to implement telnet and allow it to the inside interface for any IP address in the subnet

telnet inside

If you wanted to allow it from anywhere to the inside interface (but this is extremely insecure):

telnet inside

You cannot enable telnet to the outside interface unless it is protected by an IPSEC tunnel, so I wouldn't try to do this.

You have to generate an RSA key to use SSH, so there are some additional commands to do for it.  Here are the commands to implement SSH in the same fashion as telnet above (allowing to the inside interface):

ca generate rsa key 1024
ca save all
ssh inside

It's important to mention that you only need to issue the "ca" commands above one time.  If you later change the SSH access list to include/exclude certain IP addresses, you only have to enter the "ssh" command or the "no ssh" command to make the changes.

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