[rancid] no matching cipher found

Hinote, Scotty (MSFC-IS40)[NICS] willie.s.hinote at nasa.gov
Thu Aug 11 20:13:27 UTC 2016

Take a look at your sshd_config for the ciphers string. The device you are connecting to wants a 3des-cbc cipher and you only have aes ciphers enabled in your SSH config. You can see if the device supports other ciphers or add 3des-cbc to your ciphers string in sshd_config and restart SSH service.

I hope that helps.

From: Rancid-discuss [rancid-discuss-bounces at shrubbery.net] on behalf of Wayne Eisenberg [Wayne.Eisenberg at CarolinasIT.com]
Sent: Thursday, August 11, 2016 3:06 PM
To: 'rancid-discuss at shrubbery.net'
Subject: [rancid] no matching cipher found

Hi all,

I’m working with rancid 3.1 and when I try to connect to some MDS 9148 switches, I get the error message from ssh:

no matching cipher found: client 3des-cbc server aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,aes192-cbc,aes256-cbc

Anyone have any ideas which side the problem is on (rancid host or MDS device) and what can be done to fix it?



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