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Sophos XG Firewall: Access server is coredumping in some cases if CAA is used

The Tech Geeks |


In some cases when using CAA on Android / IOS / Windows Devices the access server might coredump.

Applies to the following Sophos product(s) and version(s)

Sophos Firewall 17.5 MR7+

Current status

The issue will be fixed in the upcoming version 17.5 MR10.

Customers who want a Pre-fix please contact Sophos Support and mention this KBA.Bug id for this is NC-51881.

What to do

Please check the workaround section. For any open questions please open a support case.


If you are seeing coredumps when using CAA, you can change to another authentication method or contact Sophos Support to provide you with a hotfix.

Point of contact

Sophos Support

Next update

There will be an update if the release version changes