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Cerfificate error on Mail and Browser

Du Wun1

lately I have got some certificate error in our organization as per attach and we are using Sophos UTM Firmware version:9.509-3.

please let me know some one had experience on certification  or some advice to fix it.
hopefully it can be fix.

 

Thanks,



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  • 0

    Hi and welcome to the UTM Community!

    Are you using Web Filtering?  Have you installed the Proxy CA in the browsers?  What do you see when you click on [Show Certificate]?

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson
    Hi Bob, Thanks for reply 1 we are using web filtering . 2 I'm not very aware in sophos and how can I get proxy CA from? 3 i don't have certificate info because screen shot is from user. Pls let me know if u have any suggestions or advice to solve it. Regards, Did Wun
  • 0 in reply to Du Wun1

    Have the user install the Proxy CA in Trusted Root Certification Authorities in his browser.  Have him, while behind the UTM, click on the following link:

    https://passthrough.fw-notify.net/cacert.pem 

    Any luck with that?

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson

    Hi Bob,

     

    thanks for your advice and I believe that will be very helpful for our issue.

    is solution ok for iphone as well ?

    why is it happening in our network? please share if you don't mind and how can we check it ?

     

    Thanks ,

    Du Wun

  • 0 in reply to Du Wun1

    Do a Google on site:community.sophos.com/products/unified-threat-management/f https certificate error

    Limit the search to the last year and then read the first two or three threads.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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