mirror of
https://github.com/M66B/NetGuard.git
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337 lines
14 KiB
Markdown
337 lines
14 KiB
Markdown
# NetGuard
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*NetGuard* provides simple and advanced ways to block access to the internet - no root required.
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Applications and addresses can individually be allowed or denied access to your Wi-Fi and/or mobile connection.
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Blocking access to the internet can help:
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* reduce your data usage
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* save your battery
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* increase your privacy
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NetGuard is the first free and open source no-root firewall for Android.
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Features:
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* Simple to use
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* No root required
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* 100% open source
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* No calling home
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* No tracking or analytics
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* Actively developed and supported
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* Android 4.0 and later supported
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* IPv4/IPv6 TCP/UDP supported
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* Tethering supported
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* Multiple device users supported
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* Optionally allow when screen on
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* Optionally block when roaming
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* Optionally block system applications
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* Optionally forward ports, also to external addresses (not available if installed from the Play store)
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* Optionally notify when an application accesses the internet
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* Optionally record network usage per application per address
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* Optionally [block ads using a hosts file](https://github.com/M66B/NetGuard/blob/master/ADBLOCKING.md) (not available if installed from the Play store)
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* Material design theme with light and dark theme
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PRO features:
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* Log all outgoing traffic; search and filter access attempts; export PCAP files to analyze traffic
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* Allow/block individual addresses per application
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* New application notifications; configure NetGuard directly from the notification
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* Display network speed graph in a status bar notification
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* Select from five additional themes in both light and dark version
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There is no other no-root firewall offering all these features.
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Requirements:
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* Android 4.0 or later
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* A [compatible device](#compatibility)
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Downloads:
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* [GitHub](https://github.com/M66B/NetGuard/releases)
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* [Google Play](https://play.google.com/store/apps/details?id=eu.faircode.netguard)
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Usage:
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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 along the right side of the application list
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You can use the settings menu to change from blacklist mode (allow all in *Settings* but block unwanted applications in list) to whitelist mode (block all in *Settings* but allow favorite applications in list).
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* Red/orange/yellow/amber = internet access denied
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* Teal/blue/purple/grey = internet access allowed
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<img src="https://raw.githubusercontent.com/M66B/NetGuard/master/screenshots/01-main.png" width="320" height="569" />
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<img src="https://raw.githubusercontent.com/M66B/NetGuard/master/screenshots/02-main-details.png" width="320" height="569" />
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<img src="https://raw.githubusercontent.com/M66B/NetGuard/master/screenshots/03-main-access.png" width="320" height="569" />
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<img src="https://raw.githubusercontent.com/M66B/NetGuard/master/screenshots/08-notifications.png" width="320" height="569" />
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For more screenshots, see [here](https://github.com/M66B/NetGuard/tree/master/screenshots).
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Compatibility
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-------------
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The only way to build a no-root firewall on Android is to use the Android VPN service.
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Android doesn't allow chaining of VPN services, so you cannot use NetGuard together with other VPN based applications.
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See also [this FAQ](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ2).
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NetGuard can be used on rooted devices too and even offers more features than most root firewalls.
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Some Android versions, expecially not updated Samsung Android versions, have a buggy VPN implementation,
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which results in Android refusing to start the VPN service in certain circumstances,
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like when there is no internet conncectivity yet (when starting up your device)
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or when incorrectly requiring manual approval of the VPN service again (when starting up your device).
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Unfortunately these Android bugs cannot be worked around by NetGuard.
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Filtering mode cannot be used on [CopperheadOS](https://copperhead.co/android/).
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NetGuard will not work or crash when the package *com.android.vpndialogs* has been removed or otherwise is unavailable.
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Removing this package is possible with root permissions only.
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NetGuard is supported for phones and tablets only, so not for other device types like on a television or in a car.
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Wi-Fi calling will not work if your provider uses [IPsec](https://en.wikipedia.org/wiki/IPsec) to encrypt your calls,
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unless there is made an exception in NetGuard for your provider (currently for T-Mobile and Verizon).
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I am happy to add exceptions for other providers, but I need the MCC's, MNC's and IP ranges your provider is using.
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<a name="FAQ"></a>
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Frequently Asked Questions (FAQ)
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--------------------------------
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<a name="FAQ0"></a>
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[**(0) How do I use NetGuard?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ0)
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<a name="FAQ1"></a>
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[**(1) Can NetGuard completely protect my privacy?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ1)
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<a name="FAQ2"></a>
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[**(2) Can I use another VPN application while using NetGuard?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ2)
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<a name="FAQ3"></a>
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[**(3) Can I use NetGuard on any Android version?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ3)
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<a name="FAQ4"></a>
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[**(4) Will NetGuard use extra battery power?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ4)
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<a name="FAQ6"></a>
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[**(6) Will NetGuard send my internet traffic to an external (VPN) server?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ6)
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<a name="FAQ7"></a>
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[**(7) Why are applications without internet permission shown?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ7)
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<a name="FAQ8"></a>
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[**(8) What do I need to enable for the Google Play™ store app to work?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ8)
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<a name="FAQ9"></a>
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[**(9) Why is the VPN service being restarted?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ9)
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<a name="FAQ10"></a>
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[**(10) Will you provide a Tasker plug-in?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ10)
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<a name="FAQ13"></a>
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[**(13) How can I remove the ongoing NetGuard entry in the notification screen?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ13)
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<a name="FAQ14"></a>
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[**(14) Why can't I select OK to approve the VPN connection request?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ14)
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<a name="FAQ15"></a>
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[**(15) Why won't you support the F-Droid builds?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ15)
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<a name="FAQ16"></a>
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[**(16) Why are some applications shown dimmed?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ16)
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<a name="FAQ17"></a>
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[**(17) Why is NetGuard using so much memory?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ17)
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<a name="FAQ18"></a>
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[**(18) Why can't I find NetGuard in the Google Play™ store app?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ18)
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<a name="FAQ19"></a>
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[**(19) Why does application XYZ still have internet access?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ19)
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<a name="FAQ20"></a>
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[**(20) Can I Greenify/hibernate NetGuard?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ20)
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<a name="FAQ21"></a>
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[**(21) Does doze mode affect NetGuard?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ21)
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<a name="FAQ22"></a>
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[**(22) Can I tether / use Wi-Fi calling while using NetGuard?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ22)
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<a name="FAQ24"></a>
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[**(24) Can you remove the notification from the status bar?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ24)
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<a name="FAQ25"></a>
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[**(25) Can you add a 'select all'?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ25)
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<a name="FAQ27"></a>
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[**(27) How do I read the blocked traffic log?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ27)
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<a name="FAQ28"></a>
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[**(28) Why is Google connectivity services allowed internet access by default?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ28)
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<a name="FAQ29"></a>
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[**(29) Why do I get 'The item you requested is not available for purchase'?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ29)
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<a name="FAQ30"></a>
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[**(30) Can I also run AFWall+ on the same device?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ30)
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<a name="FAQ31"></a>
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[**(31) Why can some applications be configured as a group only?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ31)
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<a name="FAQ32"></a>
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[**(32) Why is the battery/network usage of NetGuard so high**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ32)
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<a name="FAQ33"></a>
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[**(33) Can you add profiles?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ33)
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<a name="FAQ34"></a>
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[**(34) Can you add the condition 'when on foreground'?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ34)
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<a name="FAQ35"></a>
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[**(35) Why does the VPN not start?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ35)
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<a name="FAQ36"></a>
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[**(36) Can you add PIN or password protection?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ36)
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<a name="FAQ37"></a>
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[**(37) Why are the pro features so expensive?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ37)
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<a name="FAQ38"></a>
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[**(38) Why did NetGuard stop running?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ38)
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<a name="FAQ39"></a>
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[**(39) How does a VPN based firewall differ from a iptables based firewall?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ39)
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<a name="FAQ40"></a>
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[**(40) Can you add schedules?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ40)
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<a name="FAQ41"></a>
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[**(41) Can you add wildcards?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ41)
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<a name="FAQ42"></a>
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[**(42) Why is permission ... needed?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ42)
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<a name="FAQ43"></a>
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[**(43) I get 'This app is causing your device to run slowly'**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ43)
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<a name="FAQ44"></a>
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[**(44) I don't get notifications on access**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ44)
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<a name="FAQ45"></a>
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[**(45) Does NetGuard handle incoming connections?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ45)
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<a name="FAQ46"></a>
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[**(46) Can I get a refund?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ46)
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<a name="FAQ47"></a>
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[**(47) Why are there in application advertisements?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ47)
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<a name="FAQ48"></a>
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[**(48) Why are some domain names blocked while they are set to be allowed?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ48)
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<a name="FAQ49"></a>
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[**(49) Does NetGuard encrypt my internet traffic / hide my IP address?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ49)
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<a name="FAQ50"></a>
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[**(50) Will NetGuard automatically start on boot?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ50)
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<a name="FAQ51"></a>
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[**(51) NetGuard blocks all internet traffic!**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ51)
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<a name="FAQ52"></a>
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[**(52) What is lockdown mode?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ52)
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<a name="FAQ53"></a>
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[**(53) The translation in my language is missing / incorrect / incomplete!**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ53)
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<a name="FAQ54"></a>
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[**(54) How to tunnel all TCP connections through the Tor network?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ54)
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<a name="FAQ55"></a>
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[**(55) Why does NetGuard connect to Amazon / ipinfo.io?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ55)
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<a name="FAQ56"></a>
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[**(56) NetGuard allows all internet traffic!**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ56)
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<a name="FAQ57"></a>
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[**(57) Why does NetGuard use so much data?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ57)
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<a name="FAQ58"></a>
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[**(58) Why does loading the application list take a long time?**](https://github.com/M66B/NetGuard/blob/master/FAQ.md#FAQ58)
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Support
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-------
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For questions, feature requests and bug reports, please [use this XDA-Developers forum thread](http://forum.xda-developers.com/showthread.php?t=3233012).
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There is support on the latest version of NetGuard only.
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There is no support on things that are not directly related to NetGuard.
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There is no support on building and developing things by yourself.
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**NetGuard is supported for phones and tablets only, so not for other device types like on a television or in a car.**
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Contributing
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------------
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*Building*
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Building is simple, if you install the right tools:
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* [Android Studio](http://developer.android.com/sdk/)
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* [Android NDK](http://developer.android.com/tools/sdk/ndk/)
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The native code is built as part of the Android Studio project.
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It is expected that you can solve build problems yourself, so there is no support on building.
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If you cannot build yourself, there are prebuilt versions of NetGuard available [here](https://github.com/M66B/NetGuard/releases).
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*Translating*
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* Translations to other languages are welcomed
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* You can translate online [here](https://crowdin.com/project/netguard/)
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* If your language is not listed, please send a message to marcel(plus)netguard(at)faircode(dot)eu
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* You can see the status of all translations [here](https://crowdin.com/project/netguard).
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Please note that you agree to the license below by contributing, including the copyright.
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Attribution
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-----------
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NetGuard uses:
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* [Picasso](http://square.github.io/picasso/)
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* [Android Support Library](https://developer.android.com/tools/support-library/index.html)
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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) 2015-2017 Marcel Bokhorst ([M66B](https://contact.faircode.eu/))
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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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Trademarks
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----------
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*Android is a trademark of Google Inc. Google Play is a trademark of Google Inc*
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