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firefox error accessing the web with ssl inspection enable

Shay Hanya

Hi

I have ssl inspection in intercept x advanced with xdr/

I have a problem surfing with firefox.

the message is:

Software is Preventing Firefox From Safely Connecting to This Site

mxtoolbox.com is most likely a safe site, but a secure connection could not be established. This issue is caused by Sophos Endpoint RSA Root, which is either software on your computer or your network.

I disabled the dns over https in the firefox, also disabled the https only web access.

I have this problem with all the account that the ssl inspection is enabled and using firefox.

Any idea why?

Than'x

Shay



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  • 0

    Hi Shay,

    Thanks for reaching out to the Sophos Community Forum. 

    May I ask if the device in question is a Windows or Mac device? Could you also let me know what version is displayed when checking the "About" section of the Sophos Endpoint UI? 

    If you are using the EAP for Mac devices, our development team may want your feedback. Just let me know, and I'll help move this post over to our EAP forum for Macs. 

    Kushal Lakhan
    Team Lead, Global Community Support
    Connect with Sophos Support, get alerted, and be informed.
    If a post solves your question, please use the "Verify Answer" button.
    The New Home of Sophos Support Videos!  - Visit Sophos Techvids
  • 0 in reply to Qoosh

    please enable this in firefox:

    security.enterprise_roots.enabled true

    Sophos EP uses it's own Root certificate for MIM interception. I don't know if Sophos pushes the EP Root CA into the Firefox Cert store? But it pushes the certificate into the cert store of windows.

      can you confirm if it does or not?

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  • 0 in reply to Qoosh

    please enable this in firefox:

    security.enterprise_roots.enabled true

    Sophos EP uses it's own Root certificate for MIM interception. I don't know if Sophos pushes the EP Root CA into the Firefox Cert store? But it pushes the certificate into the cert store of windows.

      can you confirm if it does or not?

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