Signature from server's host key is invalid

Latest reply: Nov 27, 2019 02:06:08 254 9 0 0

Hi,


When trying to connect to a 5720 switch using putty , i've got this error "Signature from server's host key is invalid".

I've used RSA algorithm in SSH option int the configuration pannel of the switch, but I always have the same error.


Any ideas?

Thanks in advance.


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Popeye_Wang
Admin Created Nov 5, 2019 08:59:56 Helpful(0) Helpful(0)

Can you successfully log in to the switch itself on the switch?
stelnet 127.0.0.1
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user_3606116
user_3606116 Created Nov 7, 2019 15:23:43
yes I can log in to switch through another machine but not directly with putty  
Sergio93
Created Nov 5, 2019 09:11:54 Helpful(2) Helpful(2)

Hello,

You need to put RSA in "Algorithm Selection Policy" at the top.

Like in the below example:

sol
Please let me know if that solves the issue.


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user_3606116
user_3606116 Created Nov 7, 2019 15:24:09
I've tried it didn't work ..  
Hobbit
Created Nov 5, 2019 09:12:29 Helpful(0) Helpful(0)

Hi,
What's the switch version? Can you share your switch configuration?
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user_3606116
Created Nov 7, 2019 15:22:59 Helpful(0) Helpful(0)

Hi,
The switch is running V200R011C10SPC60 version.
We've used to connect to the switch by ssh, but in the last of 4 days, we can no longer connect through ssh to any huawei sw (we have 10 huwaei switch running the same conf, so I don't think it's a configuration problem).
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user_3606116
Created Nov 26, 2019 16:20:09 Helpful(0) Helpful(0)

Update, I've tried to regenerate the host key but it didn't solve the problem.
Any other idea ?
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Sprout
Created Nov 27, 2019 02:06:08 Helpful(0) Helpful(0)

Have you tried logging in with other software, such as SecureCRT, Xshell?
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user_3606116
user_3606116 Created Nov 29, 2019 08:02:01
Yes, It works from other software  

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