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Cisco ASA ssh not connecting with Putty

TAC-itsupport
Level 1
Level 1
I am unable connect to the Cisco ASA 5506-X with putty but I'm able to connect to the old ASA 5505. Recently, we replaced our ASA 5505 with 5506-x and whenever I try to connect to the new ASA I got this error message" Selected host key algorithm does not correspond to any supported algorithm". However, I can connect without any issue to the old ASA. I tried to use another computer with updated putty but I got this error "Couldn't agree a key exchange algorithm (available  diffie-hellman-group14-sha256". Does anyone know what I can do to fix it.
Thanks
 
1 Reply 1

balaji.bandi
Hall of Fame
Hall of Fame

First get new Putty 0.80 and check ciphers you have latest. and test it

balajibandi_0-1707753910077.png

 

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