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Sophos 9.0.7 breaks browser AJAX CORS support in Chrome, Firefox.

Hi,

First, I hope this is posted in the correct place, apologies if not.

It seems like the, rather cryptically named, "Block malicious downloads from websites, protecting your Mac from obsfucated, polymorphic and zero-day threats before reaching your browser" in 9.0.7 - Web Protection breaks AJAX CORS support in Chrome and Firefox (but not Safari).

This has been seen on OS X10.7, 10.8 and possibly 10.9. 

Is this the actual intended behaviour of this feature or does it actually do anything else?


If it is just a way of disabling browser CORS support it would be really helpful if you'd just label it as such.  Even mentioning XSS would give a clue as to what Sophos is doing.

It would also helpful to mention what this feature does in the knowledge base as CORS headers can be fiddly to debug at the best of times.

AJAX CORS is a legitimate way to consume RESTful APIs in many thick client web application.

At the very least it would be nice it would respect proxy exceptions for intranet services and allow CORS to work for internal domains.

If it's a bug, then could you please open a ticket on it?

Thank you.

:46923


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  • Hi Andy,

    Yep, it's defenitely infuriating.  What makes it even worse is that it's not consistent.  Some requests get through fine and some stay pending with no pattern that I could make out.

    The good news is that Sophos very quickly and professionally opened a support ticket for us about this and are looking into what's happening.

    So I think they're taking this seriously and should get it fixed ASAP.

    Cheers,

    Sean.

    :47083
Reply
  • Hi Andy,

    Yep, it's defenitely infuriating.  What makes it even worse is that it's not consistent.  Some requests get through fine and some stay pending with no pattern that I could make out.

    The good news is that Sophos very quickly and professionally opened a support ticket for us about this and are looking into what's happening.

    So I think they're taking this seriously and should get it fixed ASAP.

    Cheers,

    Sean.

    :47083
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