i am having trouble with ipv6 in a specific program. (sf6 steam version)
completely disabling it has resolved my issues.

but this solution just doesn't sit well with me.

is there a way to only block that one problematic program from using ipv6?

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[–] 4 points 2 years ago

You can install ufw and a frontend for it that lets you block specific processes. https://wiki.archlinux.org/title/Uncomplicated_Firewall#GUI_frontends It seems KDE already comes with a frontend in the system settings, and there's gufw for gnome/gtk.

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