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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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UFW compatibility issues with my VPN (lemmy.dbzer0.com)

submitted 1 week ago by aprehendedmerlin@lemmy.dbzer0.com to c/linux@lemmy.ml

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Hi all—as title suggests I'm experiencing a compatibility issue between UFW and my vpn (Windscribe if it matters). My UFW defaults are set to deny incoming, allow outgoing, and routed disabled, with no exception rules configured. When I enable Windscribe (I use OpenVPN udp on port 80 if that matters) while UFW is active, Windscribe reports a network configuration error and requests sending debug logs; ignoring the error still allows the VPN to function, but I observe IPv6 and DNS leaks. Disabling UFW removes the error and the leaks. What UFW configuration is causing this behavior, and which specific rules should I add to prevent IPv6 and DNS leaks while keeping UFW enabled?

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[–] drspod@lemmy.ml 1 points 1 week ago (1 children)

Sorry to be a doofus, but could you paste the output of iptables-save and ip6tables-save instead? The default iptables output actually just leaves out important information like which interface the rule applies to.

I think the best thing to do would be to see if you can get support from Windscribe and find out whether it's a known issue or a bug that needs fixing.

[–] aprehendedmerlin@lemmy.dbzer0.com 1 points 1 week ago

I did they said it just how their app is made and I should disable ufw