How to allow the YouTube app to play videos through a Watchguard WebBlocker firewall proxy

If you are having problems with iPhones or iPads (or any other device) playing through your Watchguard WebBlocker proxy (via your Watchguard firewall), the fix is very simple.

Presuming you have one of the latest firmwares (11.6.x as of today) and are using WebBlocker with a proxy combined with the content filtering…

Log into the Watchguard

Go to Firewall->Proxy Actions

Select and Edit the proxy setup you are using in your network.  (you must NOT be using a predefined one, you must make your own).

Go to HTTP Proxy Exceptions

add the following:



so that your entries look like this:

proxy action

Save your changes.

Re-test your app and the application should play.

This worked perfectly on our network and our i-Devices.




  • Great! Now I have no problems with my firewall

  • AleX

    perfect, I’ve been looking for it for a while
    if you whitelist * works also for itunes music store and itunes match that wasn’t streaming through the firewall

  • Florin

    Hi guys,

    My problem is that I don’t see any live stereaming on my WatchGuard XTM-26W (11.8.B432340).
    Can you help me, please?

  • Ben

    Your issue is most likely due to header stripping of undefined header types. Switch both actions to allow and test. If fixed then increase your logging level and find your header type being stripped. Add that to your allowed header types and solved.

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