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WEB Protection certificate expired message for lets encrypt certificates

mtd1311

Hello,

we use the sophos Web Protection with SSL scanning enabled. Since today afternoon we get a "certificate expired" message for websites secured with lets encrypt certificates.

i researched a bit and found out that today a root certificate of lets encrypt expired. i deleted the lets encrypt x3 and r3 CA certificates under Web Protection -> Filtering options->HTTPS CAs. And also deactivated the ISRG Root X1 certificate. Then restarted the Web Protection by toggling the Button under "Web Filtering". The issue still persists.

I also tried to clear the cache under Web Protection -> Filtering options->Misc. with no effect.

a website that is affected for example:https://letsencrypt.org/de/certificates/.org

other websites work quite well.

can someone help?



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  • +1

    Turn off the following CA from Web Protection, Filtering Options, HTTPS CAs:

    • Digital Signature Trust Co. DST Root CA X3

    Restart the httpproxy service.

    • SSH to the UTM
    • sudo su
    • /var/mdw/scripts/httpproxy restart

    (or just reboot the UTM)

    Seemed to do the trick for us.

Reply
  • +1

    Turn off the following CA from Web Protection, Filtering Options, HTTPS CAs:

    • Digital Signature Trust Co. DST Root CA X3

    Restart the httpproxy service.

    • SSH to the UTM
    • sudo su
    • /var/mdw/scripts/httpproxy restart

    (or just reboot the UTM)

    Seemed to do the trick for us.

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