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New Member

Cannot use SSH/TELNET/TFTP to connect ASA 5520

Hi All,

I have a question about my ASA 5520, it worked well till two weeks ago, and suddenly cannot be accessed by SSH/Telnet/TFTP....only can use the Consoel port to access it now, but other VPN/ACL setting working well.

Below is the SSH and Telnet setting, do you have any good idea?

aaa authentication ssh console LOCAL

ssh 0.0.0.0 0.0.0.0 inside

ssh timeout 30

ssh version 2

telnet 10.2.0.0 255.255.255.0 inside

telnet timeout 5

If I enabled the outside access for SSH like below, it works well for outside port.....

ssh 0.0.0.0 0.0.0.0 outside

Hope you can give me some suggestions, it's really very strange....

Everyone's tags (3)
3 REPLIES
New Member

Cannot use SSH/TELNET/TFTP to connect ASA 5520

I have tried to delete the generate rsa key and create a new one, it still doesn't work..

New Member

Cannot use SSH/TELNET/TFTP to connect ASA 5520

The problem have been solved, the reason why SSH/TELNET/TFTP...didn't work was caused by another network application, it disable the connection to our ASA inside port...

VIP Purple

Cannot use SSH/TELNET/TFTP to connect ASA 5520

There were some versions with a bug like that. It helped to delete the ssh- and telnet-commands and paste them in again.

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