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ERR_SSL_PROTOCOL_ERROR after generating SSL certificate on 2930F.

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  • 1.  ERR_SSL_PROTOCOL_ERROR after generating SSL certificate on 2930F.

    Posted May 20, 2019 04:31 PM

    I generated a self-signed certificate with the following command:

     

    crypt pki enroll-self-signed certificate-name <SWITCH NAME> key-type rsa key-size 2048 subject common-name <SWITCH NAME> country US locality <CITY> org <COMAPNY> org-unit "Information Services" state <STATE> usage web valid-start 05/20/2019 valid-end 05/20/2029.

     

    Problem is when I try to open the GUI from Chrome I get ERR_SSL_PROTOCOL_ERROR.

     

    I can open the site fine (with warnings off course) with Edge/IE.

     

    Not sure why I'm getting this error.

     

     

     


    #2930F


  • 2.  RE: ERR_SSL_PROTOCOL_ERROR after generating SSL certificate on 2930F.

    EMPLOYEE
    Posted May 21, 2019 03:04 AM

    I just tried the same on a 2930F and it works for me in Chrome, though as I had a session before I created a new cert, had to open an Incognito window to initiate a fully new SSL session. Chrome does some session caching. Have you tried with Chrome from a different computer? I found a page that has some suggestions on Chrome to solve the issue. 



  • 3.  RE: ERR_SSL_PROTOCOL_ERROR after generating SSL certificate on 2930F.

    Posted May 21, 2019 10:53 AM

    Still no luck.  I've tried on 3 different machines and all the same error in Chrome.  I try it in any other browser it works fine.

     

    Using Version 74.0.3729.157 (Official Build) (64-bit).

     

    This is the exact error in Chrome:

     

    This site can’t provide a secure connection 192.168.1.18 sent an invalid response.
    Try running Windows Network Diagnostics.
    ERR_SSL_PROTOCOL_ERROR

     

    I just removed the self-signed cert I created and re-created it and same error.  Just to make sure I disabled all extensions in Chrome and same result.  I've used this same command before and it's always worked. 



  • 4.  RE: ERR_SSL_PROTOCOL_ERROR after generating SSL certificate on 2930F.

    MVP GURU
    Posted May 25, 2019 04:44 AM

    Hi,

     

    What firmware ? because there is some buggy firmware (first release 16.07, 16.08) you need to use last firmware and regenerate certificate...

     



  • 5.  RE: ERR_SSL_PROTOCOL_ERROR after generating SSL certificate on 2930F.

    Posted May 29, 2019 01:35 PM

    Sorry for the delay.  Currently running WC.16.08.0003.

     

    I do have some switches not in production that aren't on this firmware.  Might try it on them to see if I have the same issue.  



  • 6.  RE: ERR_SSL_PROTOCOL_ERROR after generating SSL certificate on 2930F.

    Posted Sep 10, 2019 06:43 AM

    You can follow this guide to fix this issue.



  • 7.  RE: ERR_SSL_PROTOCOL_ERROR after generating SSL certificate on 2930F.

    MVP GURU
    Posted Sep 10, 2019 07:50 AM
    @riyasander wrote:

    You can follow this guide to fix this issue.

    There is a bug on some firmware release...