M66B/NetGuard on Hacker News

…completely. Or you can also use something like NetGuard[1], to have more flexible controls. [1]: https://github.com/M66B/NetGuard

comment by attendant3446 · 2026-10-11 · in Telegram Desktop vulnerability allowed any user's file to be stolen

…They both do the same thing. There are local device-only resolver apps like https://rethinkdns.com/ https://github.com/m66b/netguard Another famous one is DNS66 but it's sadly unmaintained. Avoid apps with the word "ad" in their name, they…

comment by Onavo · 2026-10-06 · in System-level ad-blocking in Android

Netguard No Root Firewall still works for me: https://github.com/M66B/NetGuard

comment by d2323 · 2026-04-13 · in Android now stops you sharing your location in photos

If you're feeling skeptical and just want to be sure, you can use this NetGuard https://github.com/M66B/NetGuard to block internet access for any app.

comment by princevegeta89 · 2026-01-05 · in Show HN: DoNotNotify – Log and intelligently block notifications on Android

Pro tip: use the fdroid version as it allows you to set a host file to also filter ads, etc. https://github.com/M66B/NetGuard/blob/master/ADBLOCKING.md

comment by Flere-Imsaho · 2025-11-26 · in Don't Download Apps

I was able to confirm that NetGuard actually uses the IPinfo API. See https://github.com/M66B/NetGuard/blob/master/FAQ.md#:~:text=... and https://github.com/M66B/NetGuard/blob/31652781967a70efaee2eb... . I agree that it would be a more…

comment by Andromxda · 2025-07-28 · in Graphene OS: a security-enhanced Android build

…be removed from the Play store by Google because it uses the permission QUERY_ALL_PACKAGES.[1] [0]: https://github.com/M66B/NetGuard [1]: https://xdaforums.com/t/closed-app-xposed-6-0-xprivacylua-an...

comment by dheerajvs · 2025-03-30 · in Everyone knows all the apps on your phone

Reminds me of NetGuard, which uses Android's VPN service (instead of raw TUN) for packet filtering. https://github.com/M66B/NetGuard

comment by afarah1 · 2025-02-03 · in Httptap: View HTTP/HTTPS requests made by any Linux program

…on iOS, so there's no point in comparing to Apple. For those on Android, NetGuard is open-source, https://github.com/M66B/NetGuard On iOS, Lockdown firewall is open-source, https://github.com/confirmedcode/Lockdown-iOS

comment by walterbell · 2024-12-28 · in Apple Photos phones home on iOS 18 and macOS 15

…Seems like I can get ad blocking for free. https://f-droid.org/en/packages/eu.faircode.netguard/ https://github.com/M66B/NetGuard/blob/master/ADBLOCKING.md

comment by flanbiscuit · 2024-10-24 · in NetGuard – rootless Android outbound per-app OSS firewall, like LittleSnitch

> similar but open source Netguard (per HN title) is open-source GPLv3: https://github.com/M66B/NetGuard Rethink uses cloud services by default? The [DNS] resolver is deployed to Fly.io at max.rethinkdns.com and Deno Deploy at…

comment by transpute · 2024-10-24 · in NetGuard – rootless Android outbound per-app OSS firewall, like LittleSnitch

…user, dont know about Apple, 3rd party applications are full of Facebook SDK, try installing https://github.com/M66B/NetGuard/releases (and pay author a coffee, he seriously deserves it) and check the domains apps are accessing. You might…

comment by stiray · 2024-09-26 · in Orion, our first true augmented reality glasses

…developer which I trust more than Mozilla with its fishy additions to firefox (author of NetGuard ( https://github.com/M66B/NetGuard ) which is the first software I install on any new phone. Firefox is the second, FairMail is the third). I…

comment by stiray · 2024-06-04 · in K-9 Mail is poised to be Thunderbird for Android

…I've blocked them on NextDNS, setup NetGuard[0] and Firefox with uBlock Origin on Android. [0]: https://github.com/M66B/NetGuard/releases

comment by dheerajvs · 2024-01-18 · in Each Facebook user is monitored by thousands of companies

Use NetGuard, or a lot of other firewall apps. https://github.com/M66B/NetGuard

comment by M95D · 2023-10-28 · in 15 Years of Android Memories

Maybe this [1] line is triggering the AI? https://github.com/M66B/NetGuard/blob/676e889662e5a34ad36bdd...

comment by kobalsky · 2023-08-23 · in Google is going to remove NetGuard from the Play Store for a nonsensical reason

Isn't there something similar to NetGuard or TrackerControl able to be implemented on iOS? < https://github.com/M66B/NetGuard > < https://github.com/TrackerControl/tracker-control-android >

comment by dp-hackernews · 2022-09-02 · in macOS now scans for malware whenever it gets a chance

…I've used Netguard off F-Droid before, it's really nice when you turn on the filter: https://github.com/M66B/NetGuard/blob/master/ADBLOCKING.md .

comment by btdmaster · 2022-08-29 · in Google cracks down on VPN based adblockers

…Netguard [1]. Does iOS not expose such functionality? Surely there's some kind of VPN API? [1]: https://github.com/M66B/NetGuard

comment by jeroenhd · 2022-07-06 · in Apple previews Lockdown Mode

NetGuard and TrackerControl (which is based on NetGuard) are comparable alternatives. https://github.com/M66B/NetGuard https://github.com/OxfordHCC/tracker-control-android

comment by ignoramous · 2022-06-03 · in Rethink-app: DNS over HTTPS, firewall, and connection tracker for Android

…and NextDNS with comprehensive blocklists. uBlock Origin protects only one app — the browser. [0]: https://github.com/M66B/NetGuard/releases/

comment by dheerajvs · 2022-03-11 · in uBlock Origin becomes top addon on Firefox

…not used XPrivacy but I want to chime in here and say Thank you, Marcel Bokhorst Your NetGuard ( https://github.com/M66B/NetGuard ) and FairEmail ( https://github.com/M66B/FairEmail ) apps are great. They are high quality, open source and…

comment by lc5G · 2022-02-02 · in Google Maps now requires WiFi scanning to use navigation

From a quick look, yes they would and the NetGuard FAQ on GitHub explicitly acknowledges that: https://github.com/M66B/NetGuard/blob/master/FAQ.md#user-con... That doesn't mean this is a worthless thing to run. Unless you are being…

comment by gnfargbl · 2021-07-18 · in Xiaomi becomes number two smartphone vendor for first time ever in Q2 2021

FYI this is by the same developer who authored the popular NetGuard ( https://github.com/M66B/NetGuard ) for Android.

comment by doc_gunthrop · 2021-03-08 · in FairEmail: Open-source, privacy friendly email app for Android

…tool to control/log network requests of apps, but uses VPN since it functions without root. [1] https://github.com/M66B/NetGuard

comment by Abishek_Muthian · 2021-02-02 · in Investigation Xoth: Smartphone location tracking

…point used for phone on router to another computer) and rather use it on device and analyze later: https://github.com/M66B/NetGuard/releases Btw, it is great application firewall too (it installs itself as vpn) and worth a donation (unless…

comment by stiray · 2020-12-04 · in TinyCheck: Easily capture network communications coming from a smartphone

…https://gitlab.com/iode/ota [2] https://divestos.org/ [3] https://gitlab.com/divested-mobile [4] https://github.com/M66B/NetGuard

comment by SubzeroCarnage · 2020-11-13 · in Your Computer Isn't Yours

…from accessing the internet with NetGuard - https://f-droid.org/en/packages/eu.faircode.netguard/ https://github.com/M66B/NetGuard

comment by benologist · 2020-09-14 · in Apple Tried Charging the Price of a New MacBook Pro for a Screen Replacement

…my own version and diffing every version with my baseline - for 2.266 I can guarantee it is safe): https://github.com/M66B/NetGuard

comment by stiray · 2020-09-09 · in More people are searching for an inbox that protects their privacy

…apps call facebook IPs at launch, along with other analytics services. It's quite disgusting. https://github.com/M66B/NetGuard

comment by propogandist · 2020-07-10 · in App suddenly crashing on startup due to FBSDKRestrictiveDataFilterManager.m

It's possible to add global filters, instructions here: https://github.com/M66B/NetGuard/blob/master/ADBLOCKING.md

comment by fmjrey · 2020-03-27 · in Zoom iOS app sends data to Facebook even if you don’t have a Facebook account

…thing they do. There's similar setups on iOS, I am just not very familiar with the app names. [1] https://github.com/M66B/NetGuard

comment by propogandist · 2020-01-29 · in Off-Facebook activity

…your phone is not rooted, with xprivacylua ( https://github.com/M66B/XPrivacyLua , for added kicks https://github.com/M66B/NetGuard ) installed and you have basic understanding what you allow there (disallow everything for new apps and…

comment by stiray · 2019-12-07 · in Privacy analysis of Tiktok’s app and website

…looks nice. I do think their reason for not having an F-Droid release is unsatisfactory, though. https://github.com/M66B/NetGuard/blob/master/FAQ.md#user-con... That same logic applies to the Play Store, as it's up to the whims of Google…

comment by prophesi · 2019-08-26 · in How Facebook Tracks You on Android (2018) [video]

Install NetGuard https://github.com/M66B/NetGuard (no root needed) and block them. I am also using XPrivacy Lua (you need rooted phone) https://github.com/M66B/XPrivacyLua to give applications fake details like android id, gps coordinates,…

comment by stiray · 2019-08-26 · in How Facebook Tracks You on Android (2018) [video]

I've been using NetGuard for a few months with good results: https://github.com/M66B/NetGuard (by the author of XPrivacy)

comment by kawera · 2019-08-26 · in Android 10: Google Confirms 193 Security Vulnerabilities Need Fixing

…but without requiring root. --- [0] https://github.com/M66B/XPrivacyLua/blob/master/README.md [1] https://github.com/M66B/NetGuard [2] https://github.com/blokadaorg/blokada [3] Sam Ruston's Bouncer app: https://samruston.co.uk/ [4]…

comment by ignoramous · 2019-07-30 · in Browser extensions are underrated: the promise of hackable software

…FAQ: > NetGuard will do its best, but it is limited by the fact it must use the VPN service. FAQ: https://github.com/M66B/NetGuard/blob/master/FAQ.md See also: https://www.reddit.com/r/Android/comments/4uhl3w/netguard_ad...

comment by autoexec · 2019-07-08 · in More than 1k Android apps harvest data even after you deny permissions

…least did) https://imgur.com/a/2YG7Q Netguard is open source (with a license not supported on iOS: https://github.com/M66B/NetGuard ), so there is no reason to use a build that shows ads. Alternatively, as I said earlier, there are…

comment by lern_too_spel · 2019-07-08 · in More than 1k Android apps harvest data even after you deny permissions

No root necessary - https://github.com/M66B/NetGuard - although LineageOS or some other non-Google OS is a great idea anyway.

comment by oil25 · 2019-06-08 · in Free Is Too High a Price for Facebook and Google

…file to send ad requests to a blackhole. This works on the Web and in apps. Follow this guide here: https://github.com/M66B/NetGuard/blob/master/ADBLOCKING.md

comment by WickyNilliams · 2019-05-30 · in Chrome extension manifest v3 proposal: comment from uBlock Origin author

…Unfortunately Samsung phones have locked bootloaders, so there's no easy way to 'take control'. [1] https://github.com/M66B/NetGuard side note: I recommend installing this on all [un-rooted] android devices. It's an easy way to block most…

comment by propogandist · 2019-01-09 · in Samsung Phone Users Perturbed to Find They Can't Delete Facebook

…servers also. If you have Android, you should not be using your phone without NetGuard installed - https://github.com/M66B/NetGuard

comment by propogandist · 2018-12-30 · in How Facebook tracks you on Android [video]

I use Netguard ( https://github.com/M66B/NetGuard ) and block out access to Facebook's Graph API by every app on my phone. Works very well.

comment by msravi · 2018-12-30 · in How Facebook tracks you on Android [video]

…for iptables, but NetGuard says no root is required. [1] https://github.com/ukanth/afwall/wiki [2] https://github.com/M66B/NetGuard/

comment by phillc73 · 2018-10-25 · in My phone is spying on me, so I decided to spy on it

I'm only an Android user, but I got an app ( https://github.com/M66B/NetGuard/releases ) that does the same, but just uses a local VPN to analyze traffic and block what I don't want. There isn't even a server it could talk to. What is the…

comment by verrecken · 2018-05-23 · in Ask HN: Apple shutted down our 30k/mo business. What now?

…files used by Ublock. This generally blocks ads across the OS. iOs should have something similar. https://github.com/M66B/NetGuard/releases

comment by propogandist · 2018-05-20 · in How I targeted the Reddit CEO with Facebook ads to get an interview at Reddit

use an open source one: https://github.com/julian-klode/dns66 https://github.com/M66B/NetGuard

comment by gruez · 2018-05-09 · in Apple cracking down on applications that send location data to third-parties

DNS66 and NetGuard are similar open source applications. https://github.com/julian-klode/dns66 https://github.com/M66B/NetGuard

comment by opencl · 2018-04-25 · in Google’s new Chat service shows contempt for Android users’ privacy

…Android, install and use NetGuard. https://play.google.com/store/apps/details?id=eu.faircode.ne... https://github.com/M66B/NetGuard NetGuard is an open source local VPN that allows you to block DNS lookups to prevent calls to 3rd parties,…

comment by buro9 · 2018-04-02 · in Grindr Shares Personal Information With Third-Parties