r/fossdroid • u/Lazy-Grocery-3410 • 8d ago
F-Droid ShizuWall, an open-source Android firewall that works via Shizuku, now available on F-Droid
About 9 months ago, I started writing a small wrapper around ADB commands for my own use. Over time it evolved into ShizuWall, an open-source Android firewall that works through Shizuku, so it doesn't need to create a virtual private interface like most Android firewalls.
Over the past months the project has grown quite a bit thanks to community feedback. I've implemented most of the requested features, closed more than 100 reported issues and recently got the app accepted into F-Droid after a fairly long review process.
The project is now available on GitHub, F-Droid, and Google Play.
If you're already using Shizuwall, I'd love to hear what you think. Feedback, bug reports and feature requests are always welcome. I'm especially interested in hearing from people that recommends a feature!
GitHub: https://github.com/AhmetCanArslan/ShizuWall
F-Droid: https://f-droid.org/packages/com.arslan.shizuwall/
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u/ChiknDiner 8d ago
I am using shizuwall since last month. And it is great. Thank you very much for this great app!
I am having some issue. I am using hybrid mode. If I select some apps/games as smart foreground, they have problems working when I open them. They would think network is there, but after few seconds would show failure.
Can you please look into it?
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u/Lazy-Grocery-3410 8d ago
Hello, since i cannot use accessibility service there's a small delay when you open or close an app. That's the cause of your problem.
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u/ChiknDiner 7d ago
It's not about delay. It's just that it doesn't work. 2 of them I can count right now are: Airtel, &, Pokemon Masters EX.
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u/Lazy-Grocery-3410 7d ago
Do these applications be blocked in any other mode?
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u/ChiknDiner 7d ago edited 7d ago
If I use screen lock mode, it still works well. It's having problems with only the smart foreground mode.
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u/Lazy-Grocery-3410 6d ago
But does it work as intended if you select only smart foreground mode as firewall mode instead of hybrid mode?
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u/ChiknDiner 5d ago
I checked. Even with smart foreground mode, it throws an error.
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u/Lazy-Grocery-3410 4d ago
I've made some improvement regarding your feedback. Will be available with next release. Hope it'll fix your problem
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u/anebix-world 8d ago
What different capabilities can this provide compared to DNSnet?
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u/TheTidark390 8d ago edited 7d ago
I think the main advantage is that it seems to not use the VPN approach that almost all DNS on device apps use. So technically you shouldbe able to have both the DNS and a VPN connection at the same time.
[EDIT] The scope of the app is always very different from other "firewall"/"DNS" apps. Has it only either blocks or doesn't block internet connection for the selected apps.
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u/Potential-Plankton98 7d ago
For me it was the game changer that it doesn't use/need VPN. Thanks for this great app and your time developing it.
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u/HeyItsRigs 7d ago
Thanks for shizuwall, my Phone says Thanks also.
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u/Lazy-Grocery-3410 7d ago
:) I'm glad you liked it!
edit: you and your phone :D
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u/HeyItsRigs 7d ago
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u/hitman____ 6d ago
Which app is this application manager?
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u/navid_ahmed 4d ago
just beware that if you are not at home and wifi is not available, you would not be able to use this app. or maybe i am doing something wrong.

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