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Old 11-21-2016, 08:28 AM   #1
Registered: Aug 2012
Posts: 789

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Can't puTTY into local server (any more)

I was logged onto a local Linux server via putty, and everything was working perfect. All of a sudden, I could no longer do so. Nothing changed that I know of. I could still SSH into it via a different machine using my normal username/password which I use with puTTY. I've rebooted the machine, but no changes.

Any thoughts why? What should I look into first?

Old 11-21-2016, 08:58 AM   #2
Registered: Jan 2012
Location: South Africa
Posts: 509

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Hi there,

A few quick questions:

- What error (if any) does PuTTY give you?
- Where any SSH updates possibly done on the server recently?
- Are you running the latest version of PuTTY?

One possibility I've encountered was because of key algorithm differences between current SSH servers and older PuTTY clients.


Old 11-21-2016, 12:45 PM   #3
Registered: May 2011
Location: Texas
Distribution: Primarily Deb/Ubuntu, and some CentOS
Posts: 831

Rep: Reputation: 229Reputation: 229Reputation: 229
Are you using a profile you created on putty or just typing in the ip/hostname in to the new connection field?

Also, can you ssh with putty into any other machine?

Last edited by erik2282; 11-21-2016 at 12:48 PM.


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