I get requests now and again to allow some specific download and for this I have been creating exceptions using regular expressions to match the URL where the specific exe is being downloaded from - typically these are updates for legitimate software we are running and are therefore downloaded regularly. This has also worked well.
However, one specific download location has me stumped. The exe is being downloaded from this content server - this is the URL that is displayed in the log:
df975b643fb977f682c3-8243d3bde40a04822331a45aadc0149c.r48.cf3.rackcdn.com/IRIS110601-55.exe
So, my attempt at a regular expression to match this is as follows:
^http?://([A-Za-z0-9.-]*\.)rackcdn\.com/IRIS*[0-9-]\.exe
When I test this in the Policy tester, it comes back as allowed, but the tester does not state a match with an exception and the end user still cannot download the EXE. Other exceptions that I know work will also say "allowed" in the tester even when the exception is disabled but the end user cannot get the EXE - but when the exception is enabled the tester still comes back saying "allowed", but it also states that an exception has been matched and this time the end user can download the exe as expected.
I suspect my reg exp is wrong - probably the multiple subdomains - can anyone enlighten me please?
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