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Getting an Error Message "An application is stopping Chrome from connecting"

 Our environment is running on Sophos XG - Virtual 

 Firmware : SFOS 17.0.2 MR2 

 Synchronized Security with Sophos Central is turned on 

 

Any ideas or suggestions?



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  • Hi,

    That error seems to indicate an invalid certificate. Do you have web protection enabled and/or HTTPS scanning? If so, have you deployed your CA to your endpoints?

    If you haven't, please follow this KB article: Sophos Firewall: SSL CA Certificate Installation Guide

    Thanks,
    Karlos

    Karlos
    Community Support Engineer | Sophos Technical Support

    Knowledge Base  |  @SophosSupport  | Sign up for SMS Alerts
    If a post solves your question use the 'This helped me' link.
  • Thanks for the reply Karlos, already performed adding SSL CA Cert and got it to deploy via Active directory. 

    The error message went away when I accessed the exceptions tab , removed or added a setting and then hit save. I don't know what could have caused it but it worked after accessing the exceptions tab, could have reloaded a setting that got stuck or something

    Henry Jesus Lastimosa, Jr. 

    IT Security Administrator

    henry.lastimosa@janty.com

  • Hi Karlos,

    The above KB worked for adding certificate to Google Chrome ,but when i go to add it on the local machine , i do not see the certificate from Sophos under the location where i had saved it

    Please note this is a work laptop that im trying to add the certificate to local machine

    Also please advise on how i can distribute this certificate to other mobile devices at home, eg : my mobile phone which are also connected to Ubiquiti AP which is plugged into Sophos XG

    This is a home lab Sophos XG im working on

    Appreciate your cooperation

     

    Thanks

     

    Raj

  • Hi Ram,

    email the CAS to yourself, save them locally then install if you have admin rights to your machines.

    ian

    XG115W - v20.0.3 MR-3 - on holiday

    XGS118 waiting for licence to installed - v21 GA

    If a post solves your question please use the 'Verify Answer' button.

  • Morning Ian,

    Thanks for your reply , i emailed the file to myself and tried to add certificate via MMC with local admin right , but the certificate is not visible ( please refer to fig below )

    Also please advise on how i can distribute this certificate to other mobile devices connected to Sophos

     

    Appreciate your cooperation

     

    Thanks


    Raj

  • Hi Raj,

    please change the search to all rather than p12.

    ian

    XG115W - v20.0.3 MR-3 - on holiday

    XGS118 waiting for licence to installed - v21 GA

    If a post solves your question please use the 'Verify Answer' button.

  • Hi Ian,

    Thanks for your email, i don't see an option to change to all , please find below

     

    Also tried choosing " All Files " but no avail

     

    Appreciate your assistance

  • Hi, .

    try changing the suffix or redownloading the p12 version.

    ian

    XG115W - v20.0.3 MR-3 - on holiday

    XGS118 waiting for licence to installed - v21 GA

    If a post solves your question please use the 'Verify Answer' button.

  • Hi Ian,

    Im not sure on how to download p12 version , what i have done at the moment is exported if from Chrome , which gave an option to export as " Cryptographic message " which is an accepted format

     

    But now Zoom application is not getting connected

    Also please advise on how i can distribute this certificate to mobile devices

    Appreciate your cooperation

  • Hi Raj,

    I would suggest you start by looking at the KBAs on the right hand side of the forum home page.

    ian

    XG115W - v20.0.3 MR-3 - on holiday

    XGS118 waiting for licence to installed - v21 GA

    If a post solves your question please use the 'Verify Answer' button.