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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Need help with NetworkManager, VPN and IPv6 (lemm.ee)

submitted 2 years ago by axzxc1236@lemm.ee to c/linux@lemmy.ml

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I was setting up my laptop for traveling and adding Wireguard VPN configuration.

The Wireguard config generated by router only contains IPv4 address (10.0.5.x), and while testing the VPN to my surprise "what is my ip" websites can find my IPv6 address (I USB tethered mobile connection to my laptop).

It looks like NetworkManager does nothing about IPv6 connection if VPN doesn't have IPv6 settings, which is bad for road warrior type of VPN configuration.

Is there an easy toggle to turn of IPv6 if VPN is connected and otherwise? Or is only option to disable all IPv6 no matter what?

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[–] cypherpunks@lemmy.ml 1 point 2 years ago

If you have ::/0 in your AllowedIPs and v6 connections are bypassing your VPN, that is strange.

What does ip route get 2a00:1450:400f:801::200e (an IPv6 address for google) say?

I haven't used wireguard with NetworkManager, but using wg-quick it certainly adds a default v6 route when you have ::/0 in AllowedIPs.

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lemmy:	0.19.20
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