I have configured ssh on a 2960 to use public key authentication. Now that I can securely log into ssh without a password Is it possible to disable password authentication so that it is impossible to login without the key?
I realize that authentication is an integral part of ssh, ssh does however allow for a variety of authentication mechanisms. I have all my linux systems configured (standard option of openssh) to deny password authentication (much easier to hack than public key). I want to not allow password authentication so as to minimize the possibliity of a brute force attack. While it might be possible given enough time to brute force an ssh public key it will certainly be orders of magnitude more difficult than the maximum password length of 25 characters in the Cisco IOS.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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