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We have a secure network that doesn't allow internet access. Unfortunately one app from the Android Market we purchased for our honeycomb tablets uses Market License Check to verify that we've purchased the app on, what it seems like, a daily basis. What site(s) do we have need to allow access to for this authentication to happen?

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  • Unfortunately I can't find any info on this. If you don't get a definite answer I would try allowing android.com and subdomains.
    – Matthew Read
    Commented Aug 10, 2011 at 17:30
  • That might be tricky as we want to block users from using the android market.
    – Michael
    Commented Aug 10, 2011 at 17:33
  • This could help with blocking it on devices. Assuming the licence server is part of market.android.com, you'd need the specific ports used as well. This could be used to sniff the traffic and determine the info you need.
    – Matthew Read
    Commented Aug 10, 2011 at 17:39
  • BTW, the first link only applies to paid Google Apps accounts not locking down a tablet.
    – Michael
    Commented Aug 17, 2011 at 12:43

1 Answer 1

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The answer is "android.clients.google.com" with port 5228 (TCP).

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  • Awesome! How'd you find it?
    – ale
    Commented Aug 16, 2011 at 20:35
  • tablet IP address trace
    – Michael
    Commented Aug 16, 2011 at 21:00
  • And you can still block users from the Market too? Impressive find!
    – afrazier
    Commented Aug 17, 2011 at 13:25
  • Opening the port above also allows the market app to download software so to prevent that we are removing the market app from the tablets.
    – Michael
    Commented Aug 17, 2011 at 13:55

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