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WireGuard 1.0.0 for Linux 5.6 Released

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Security

Hi folks,

Earlier this evening, Linus released [1] Linus 5.6, which contains our
first release of WireGuard. This is quite exciting. It means that
kernels from here on out will have WireGuard built-in by default. And
for those of you who were scared away prior by the "dOnT uSe tHiS
k0de!!1!" warnings everywhere, you now have something more stable to
work with.

The last several weeks of 5.6 development and stabilization have been
exciting, with our codebase undergoing a quick security audit [3], and
some real headway in terms of getting into distributions.

We'll also continue to maintain our wireguard-linux-compat [2]
backports repo for older kernels. On the backports front, WireGuard
was backported to Ubuntu 20.04 (via wireguard-linux-compat) [4] and
Debian Buster (via a real backport to 5.5.y) [5]. I'm also maintaining
real backports, not via the compat layer, to 5.4.y [6] and 5.5.y [7],
and we'll see where those wind up; 5.4.y is an LTS release.

Meanwhile, the usual up-to-date distributions like Arch, Gentoo, and
Fedora 32 will be getting WireGuard automatically by virtue of having
5.6, and I expect these to increase in number over time.

Enjoy!
Jason

Read more

Also: WireGuard 1.0.0 Christened As A Modern Secure VPN Alternative To OpenVPN/IPsec

WireGuard VPN makes it to 1.0.0—and into the next Linux kernel

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    We've been anticipating WireGuard's inclusion into the mainline Linux kernel for quite some time—but as of Sunday afternoon, it's official. Linus Torvalds released the Linux 5.6 kernel, which includes (among other things) an in-tree WireGuard. Phoronix has a great short list of the most interesting new features in the 5.6 kernel, as well as a longer "everything list" for those who want to make sure they don't miss anything.

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EnterpriseNetworkingPlanet and Google

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    On March 29, Linux creator Linus Torvalds released the Linux 5.6 kernel providing a long list of new features. Of particular note for networking professionals is the inclusion of WireGuard Virtual Private Network (VPN) open source technology. Work to include WireGuard directly into Linux has been ongoing since March 2019 though WireGuard development itself has been ongoing since 2015.

    At its core, WireGuard is a secure network tunnel written especially for Linux, and optimized for performance and ease of configuration.

    "It has been designed with the primary goal of being both easy to audit by virtue of being small and highly secure from a cryptography and systems security perspective," WireGuard creator Jason Donenfeld wrote in a Linux Kernel Mailing List (LKML) commit message.

    Even before WireGuard was directly integrated into Linux, it had been available in what is known as an out-of-tree module, as wall as userspace tools. By being directly integrated into Linux, WireGuard is now however even more accessible to a wider user community. In contrast with other options for VPN, WireGuard provides a very small attack surface for any potential attacker.

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    Following the release of Linux 5.6 and WireGuard 1.0 declared, Google has now enabled WireGuard within their Android open-source Linux kernel build.

    Android's Generic Kernel Image (GKI) now has the WireGuard support enabled as a built-in option as of yesterday. In the Git commit enabling it, Google's Greg Kroah-Hartman commented, "Add native kernel support for a sane VPN."

    The upstream WireGuard project has long offered an Android port available from the Play Store as a user-space implementation while it's promising that Google is now enabling the WireGuard support as part of the GKI kernel for Android. WireGuard was upstreamed in Linux 5.6 after years of development and working out the encryption kernel changes that previously held up its integration.

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    I briefly mentioned WireGuard when I wrote of Cloudflare’s WARP beta. I think it’s something to add to your technology watch lists. It’s just not any old VPN app, it’s a VPN protocol that could very well replace current protocols like IPsec and OpenVPN, or at least be offered as an alternative.

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