f65fba7dd8
While OpenResolv supports explicit ordering directives such as `-m` and exclusivity directives such as `-x`, Debian's own resolvconf supports none of this, instead using a hard coded list of interface name templates for determining ordering. While trying to emulate `-x` is difficult [*], we can at least try to mostly emulate `-m 0` by masquerading as a `tun*` interface to resolvconf. Ugly, but it works. [*] One heavy handed way of emulating `-x` would be something like: # echo nameserver 8.8.8.8 > /etc/resolv.conf.wg0-exclusive # mount --bind -o ro /etc/resolv.conf.wg0-exclusive /etc/resolv.conf # rm -f /etc/resolv.conf.wg0-exclusive This in practice works quite well, but is a bit heavy to put in a man page. It also doesn't "stack" well. For example, if we simply run `umount /etc/resolv.conf`, how do we know which resolv.conf entry we're unmounting? Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> |
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WireGuard — fast, modern, secure kernel VPN tunnel
by Jason A. Donenfeld of Edge Security
WireGuard is a novel VPN that runs inside the Linux Kernel and utilizes state-of-the-art cryptography. It aims to be faster, simpler, leaner, and more useful than IPSec, while avoiding the massive headache. It intends to be considerably more performant than OpenVPN. WireGuard is designed as a general purpose VPN for running on embedded interfaces and super computers alike, fit for many different circumstances. It runs over UDP.
More information may be found at WireGuard.io.
License
This project is released under the GPLv2.