Google Wallet in-App purchases blocked

```
In-App purchases via Google Wallet cannot be completed with the droidwall
activated.

What steps will reproduce the problem?
1. Try to purchase in-App service/item.
2. Wait for finishing the purchase until error message appears.
3. Purchase will be completed as soon as droidwall is deactivated.

What is the expected output? What do you see instead?
Google Wallet in-App purchase should be completed without errors. Transaction
can be started, the purchase eMail is also being received, but purchase itself
cannot be completed on the device.

What version of the product are you using? On what operating system?
Droidwall v1.5.7 @ Android 4.2.2 CyanogenMod build
10.1-20130222-NIGHTLY-galaxysmtd @ Samsung Galaxy S1 (root).

Please provide any additional information below.
All System Apps except for "Any Application" and a bluetooth sharing app are
allowed in the iptables.
```

Original issue reported on code.google.com by `jen...@gmail.com` on 24 Feb 2013 at 10:02