mirror of
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95 lines
2.9 KiB
Markdown
95 lines
2.9 KiB
Markdown
# NetGuard
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NetGuard is possibly the first free and open source no root firewall for Android.
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<img src="screenshot.png" width="232" height="371" hspace="4"/>
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Features
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--------
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* No root required
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* Simple to use
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* Free and open source
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* No extra battery usage
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* No calling home
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* No tracking (analytics)
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* No ads
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NetGuard doesn't even require internet permission.
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Usage
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-----
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* Enable the firewall using the switch in the action bar
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* Allow/deny Wi-FI/mobile internet access using the icons at the right side of the application list
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Permissions
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-----------
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* ACCESS_NETWORK_STATE: to check if the device is connected to the internet through Wi-Fi
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* RECEIVE_BOOT_COMPLETED: to start the firewall when starting the device
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Frequently asked questions
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--------------------------
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<a name="FAQ1"></a>
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**(1) Can NetGuard protect my privacy?**
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Not really, since the firewall cannot be started right after starting your device
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and because updating firewall rules require momentarily turning off the firewall.
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<a name="FAQ2"></a>
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**(2) Can I use VPN applications while using NetGuard?**
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If the VPN application is using the [VPN service](http://developer.android.com/reference/android/net/VpnService.html),
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then no, because NetGuard needs to use this service too and Android allows this to just one application at a time.
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<a name="FAQ3"></a>
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**(3) Can I use NetGuard on any Android version?**
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No, because the method [addDisallowedApplication](http://developer.android.com/reference/android/net/VpnService.Builder.html#addDisallowedApplication(java.lang.String))
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is being used the minimum required Android version is 5.0 (Lollipop).
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<a name="FAQ4"></a>
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**(4) Will NetGuard use extra battery power?**
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No, unlike most of the similar closed source alternatives.
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Support
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-------
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* Questions: please [use this forum](http://forum.xda-developers.com/showthread.php?t=3233012)
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* Feature requests and bugs: please [report an issue](https://github.com/M66B/NetGuard/issues/new)
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Please do not use GitHub for questions.
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Contributing
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------------
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Please note that you agree to the license below by contributing, including the copyright.
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License
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-------
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[GNU General Public License version 3](http://www.gnu.org/licenses/gpl.txt)
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Copyright (c) 2015 Marcel Bokhorst ([M66B](http://forum.xda-developers.com/member.php?u=2799345))
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All rights reserved
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This file is part of NetGuard.
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NetGuard is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your discretion) any later version.
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NetGuard is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with NetGuard. If not, see [http://www.gnu.org/licenses/](http://www.gnu.org/licenses/).
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