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06.14.2004 at 09:17AM PDT, ID: 21024834
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7.6

How do I disable SSH RSA authentication on the client side?

Asked by SpasticChicken in Linux Network Security

Tags: , ,

Here is the situation:

I have a customer that has Cisco PIX's. The RSA keys on them change randomly. He is unable to connect to these devices through a company built script/program. Where in the setup files would I disable the RSA check? So that I no longer get the following message:

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that the RSA1 host key has just been changed.
The fingerprint for the RSA1 key sent by the remote host is
d2:81:09:b6:d8:66:95:82:7f:04:e5:2e:cd:3b:a8:9e.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending key in /root/.ssh/known_hosts:1
Password authentication is disabled to avoid man-in-the-middle attacks.
X11 forwarding is disabled to avoid man-in-the-middle attacks.
Permission denied.

I have rebuilt the known_hosts file, but the key will change in the future and I don't want to see this error again.

Thank you.Start Free Trial
[+][-]06.14.2004 at 10:18AM PDT, ID: 11308536

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[+][-]06.14.2004 at 10:41AM PDT, ID: 11308788

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[+][-]06.14.2004 at 01:32PM PDT, ID: 11310227

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[+][-]06.14.2004 at 04:11PM PDT, ID: 11311201

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[+][-]06.14.2004 at 05:35PM PDT, ID: 11311500

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[+][-]06.14.2004 at 09:34PM PDT, ID: 11312380

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About this solution

Zone: Linux Network Security
Tags: ssh, disable, rsa
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Solution Provided By: e-tsik
Participating Experts: 3
Solution Grade: A
 
 
[+][-]06.15.2004 at 12:40AM PDT, ID: 11313076

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[+][-]06.15.2004 at 09:31AM PDT, ID: 11316957

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[+][-]06.15.2004 at 10:26AM PDT, ID: 11317516

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