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Possible Duplicate:
Are there any good firewalls available?

How can i make my Android more secure with a firewall? Are there any legal/offical ways to do it?
Thank you!

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marked as duplicate by Matthew Read, Daniel, eldarerathis, Al E. Mar 18 '11 at 1:14

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

That quest has an answer which discusses iptables. – Matthew Read Mar 17 '11 at 17:15

DroidWall is an Android front end for iptables. Root is required though.

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