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SSH to Cisco ASA does not support sha1

jilahbg
Level 1
Level 1

I have issues connecting with SSH to my Cisco ASA firewall.

My SSH client (osx terminal) complains about sha1 that is the only key exchange hash method that the ASA supports. I cannot find any solution for it on the Cisco-side.

Any ideas?

https://nat0.net/asa-ssh-sha1/

1 Accepted Solution

Accepted Solutions

Oliver Kaiser
Level 7
Level 7

Unfortunately there is no solution on the asa side at the moment. The only workaround is editing your ssh configuration on the client-side to accept sha1. I think we will see a solution to this in the near future but there is no public visible enhancement request at the moment that I am aware of.

View solution in original post

1 Reply 1

Oliver Kaiser
Level 7
Level 7

Unfortunately there is no solution on the asa side at the moment. The only workaround is editing your ssh configuration on the client-side to accept sha1. I think we will see a solution to this in the near future but there is no public visible enhancement request at the moment that I am aware of.

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