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[GH-ISSUE #1731] Internet stops working after connecting to AmneziaVPN on Arch Linux (NetworkManager conflict) #747

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opened 2026-10-13 20:27:53 +00:00 by bsakaguchi · 7 comments

bsakaguchi commented

2026-10-13 20:27:53 +00:00

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Originally created by @Nagiboshiro on GitHub (Jul 19, 2025).
Original GitHub issue: https://github.com/amnezia-vpn/amnezia-client/issues/1731

When I connect to AmneziaVPN on Arch Linux (with NetworkManager), my internet stops working. The issue is resolved only after manually running these commands:
sudo ip route flush dev amn0
sudo ip route add default dev amn0
echo "nameserver 1.1.1.1" | sudo tee /etc/resolv.conf
sudo systemctl restart systemd-resolved

Expected behavior:
Internet should work normally after connecting to VPN, without manual route/DNS fixes.

Steps to reproduce:
1.Install AmneziaVPN on Arch Linux (with NetworkManager).
2.Connect to any VPN server.
3.Observe loss of internet connectivity.

Possible causes:
AmneziaVPN does not properly update routes for amn0.
Conflict with NetworkManager (tries to manage routes/DNS, but AmneziaVPN overrides them).
DNS leak or incorrect /etc/resolv.conf handling with systemd-resolved.

Temporary workaround:
Manually setting default route and DNS (as shown above).

System info:
OS: Arch Linux
NetworkManager: Installed and enabled
AmneziaVPN

Originally created by @Nagiboshiro on GitHub (Jul 19, 2025). Original GitHub issue: https://github.com/amnezia-vpn/amnezia-client/issues/1731 When I connect to AmneziaVPN on Arch Linux (with NetworkManager), my internet stops working. The issue is resolved only after manually running these commands: sudo ip route flush dev amn0 sudo ip route add default dev amn0 echo "nameserver 1.1.1.1" | sudo tee /etc/resolv.conf sudo systemctl restart systemd-resolved Expected behavior: Internet should work normally after connecting to VPN, without manual route/DNS fixes. Steps to reproduce: 1.Install AmneziaVPN on Arch Linux (with NetworkManager). 2.Connect to any VPN server. 3.Observe loss of internet connectivity. Possible causes: AmneziaVPN does not properly update routes for amn0. Conflict with NetworkManager (tries to manage routes/DNS, but AmneziaVPN overrides them). DNS leak or incorrect /etc/resolv.conf handling with systemd-resolved. Temporary workaround: Manually setting default route and DNS (as shown above). System info: OS: Arch Linux NetworkManager: Installed and enabled AmneziaVPN

bsakaguchi commented

2026-10-13 20:27:54 +00:00

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@maximzelenyuk commented on GitHub (Jul 21, 2025):

Hi. What helped me was deleting the old wired internet connection and creating a new one. After that I was able to access the internet through amnezia. (I also have the arch)

@maximzelenyuk commented on GitHub (Jul 21, 2025): Hi. What helped me was deleting the old wired internet connection and creating a new one. After that I was able to access the internet through amnezia. (I also have the arch)

bsakaguchi commented

2026-10-13 20:27:54 +00:00

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@mimimix commented on GitHub (Jul 26, 2025):

Try turning off "KillSwitch" and "Use AmnesiaDNS"
Also try using xray.

@mimimix commented on GitHub (Jul 26, 2025): Try turning off "KillSwitch" and "Use AmnesiaDNS" Also try using xray.

bsakaguchi commented

2026-10-13 20:27:54 +00:00

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@AtaarSatag commented on GitHub (Aug 2, 2025):

Try turning off "KillSwitch" and "Use AmnesiaDNS" Also try using xray.

Well, I think it is a bug. I faced this problem on Manjaro. I installed AmneziaVPN via AUR (and didn't do anything else), when connected VPN my internet connection had went down. I turned off KillSwitch, but AmneziaDNS was on, and the net had appeared.

Checked working protocols are WG, XRay, OpenVPN. Also, I checked IPsec, but it is not supported on my platform (ErrorCode: 104).

Platform

Manufacturer: Acer
Product Name: Aspire A315-44P
Version: V1.02
CPU AMD Ryzen 7 5700U with Radeon Graphics

System

Linux manjaro 6.15.7-1-MANJARO #1 SMP PREEMPT_DYNAMIC Thu, 17 Jul 2025 20:47:04 +0000 x86_64 GNU/Linux

@AtaarSatag commented on GitHub (Aug 2, 2025): > Try turning off "KillSwitch" and "Use AmnesiaDNS" Also try using xray. Well, I think it is a bug. I faced this problem on Manjaro. I installed AmneziaVPN via AUR (and didn't do anything else), when connected VPN my internet connection had went down. I turned off KillSwitch, but AmneziaDNS was on, and the net had appeared. Checked working protocols are WG, XRay, OpenVPN. Also, I checked IPsec, but it is not supported on my platform (ErrorCode: 104). **Platform** - Manufacturer: Acer - Product Name: Aspire A315-44P - Version: V1.02 - CPU AMD Ryzen 7 5700U with Radeon Graphics **System** - `Linux manjaro 6.15.7-1-MANJARO #1 SMP PREEMPT_DYNAMIC Thu, 17 Jul 2025 20:47:04 +0000 x86_64 GNU/Linux`

bsakaguchi commented

2026-10-13 20:27:55 +00:00

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@Piterden commented on GitHub (Dec 22, 2025):

I have the same trouble on Manjaro

Linux elitehost 6.12.62-1-MANJARO #1 SMP PREEMPT_DYNAMIC Fri, 12 Dec 2025 19:42:13 +0000 x86_64 GNU/Linux

Also, if I export ovpn config form Amnezia and import it to Network Manager then the same happens.

@Piterden commented on GitHub (Dec 22, 2025): I have the same trouble on Manjaro `Linux elitehost 6.12.62-1-MANJARO #1 SMP PREEMPT_DYNAMIC Fri, 12 Dec 2025 19:42:13 +0000 x86_64 GNU/Linux` Also, if I export ovpn config form Amnezia and import it to Network Manager then the same happens.

bsakaguchi commented

2026-10-13 20:27:55 +00:00

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@lufog commented on GitHub (Feb 14, 2026):

I can't reproduce the problem. Make sure you have systemd-resolved enabled/active and configured in stub mode.

@lufog commented on GitHub (Feb 14, 2026): I can't reproduce the problem. Make sure you have systemd-resolved enabled/active and [configured in stub mode](https://wiki.archlinux.org/title/Systemd-resolved#DNS).

bsakaguchi commented

2026-10-13 20:27:56 +00:00

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@Bumstern commented on GitHub (Feb 18, 2026):

I can't reproduce the problem. Make sure you have systemd-resolved enabled/active and configured in stub mode.

Have same problem. Connect and work after I started and enabled systemd-resolved

@Bumstern commented on GitHub (Feb 18, 2026): > I can't reproduce the problem. Make sure you have systemd-resolved enabled/active and [configured in stub mode](https://wiki.archlinux.org/title/Systemd-resolved#DNS). Have same problem. Connect and work after I started and enabled systemd-resolved

bsakaguchi commented

2026-10-13 20:27:56 +00:00

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@Cosmologist commented on GitHub (Feb 27, 2026):

illSwitch

you made my evening! Thanks bro!

@Cosmologist commented on GitHub (Feb 27, 2026): > illSwitch you made my evening! Thanks bro!

bsakaguchi referenced this issue

2026-10-13 21:18:21 +00:00

[PR #747] [MERGED] added installation_uuid to apiPayload #2080

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