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EdgeSecurity's profile
Edge Security
Edge Security
Edge Security
@EdgeSecurity

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Edge Security

@EdgeSecurity

Tweets from @zx2c4. Security Research & Consulting. Support WireGuard development via https://patreon.com/zx2c4  https://wireguard.com/donations/  . Or hire us.

edgesecurity.com
Joined January 2015

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    1. Brian Smith‏ @BRIAN_____ Apr 24
      • Report Tweet
      • Report NetzDG Violation

      I am out of the loop and I’m surprised suddenly people care about VPN. Why did Wireguard require so much of its code to be put into the Linux kernel? What’s stopping something from doing same or better in userspace? Does Wireguard work poorly on other OSs w/o it’s code embedded?

      5 replies 5 retweets 18 likes
    2. Andrew Ayer‏ @__agwa Apr 24
      • Report Tweet
      • Report NetzDG Violation
      Replying to @BRIAN_____

      Performance, allegedly. Apart from that, nothing would stop a userspace implementation from doing just as good a job with TUN/TAP. In fact, that's how wireguard-go works.

      0 replies 0 retweets 0 likes
    3. Andrew Ayer‏ @__agwa Apr 24
      • Report Tweet
      • Report NetzDG Violation
      Replying to @DanielMicay @BRIAN_____

      You need to do all the same rigamarole with routes/firewalls when you use the kernel Wireguard implementation. That's why scripts like wg-quick exist (https://git.zx2c4.com/wireguard-tools/tree/src/wg-quick/linux.bash …). This is no different from a userspace TUN/TAP VPN.

      0 replies 0 retweets 0 likes
    4. Edge Security‏ @EdgeSecurity Apr 24
      • Report Tweet
      • Report NetzDG Violation
      Replying to @DanielMicay @__agwa @BRIAN_____

      "Biggest motivation for a kernel implementation is political" could not be further from the truth. The politics involved with getting WireGuard upstreamed were absolutely miserable, and I'd be a much happier camper right now had I never had to experience that.

      0 replies 0 retweets 3 likes
      Edge Security‏ @EdgeSecurity Apr 24
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      Replying to @DanielMicay @__agwa @BRIAN_____

      I disagree with that assessment. Getting a userspace app into tons of Linux distros is a piece of cake. WireGuard's wg(8) utility _already_ has to be added to distros anyway, too. I'd much rather package userspace apps for distros any day than deal with kernel politics.

      12:07 PM - 24 Apr 2020
      • 1 Like
      • c[ad]+r
      1 reply 0 retweets 1 like
        1. DanielMicay‏ @DanielMicay Apr 24
          • Report Tweet
          • Report NetzDG Violation
          Replying to @EdgeSecurity @__agwa @BRIAN_____

          DanielMicay Retweeted DanielMicay

          I think I did a better job of explaining my thoughts in this sub-thread of 5 tweets: https://twitter.com/DanielMicay/status/1253706388318171136 ….

          DanielMicay added,

          DanielMicay @DanielMicay
          Replying to @BRIAN_____
          > Why did Wireguard require so much of its code to be put into the Linux kernel? It didn't require it. Android has a VPN service API for implementing userspace VPNs and there's an official WireGuard app with a userspace implementation. The kernel module isn't a mandatory thing.
          0 replies 0 retweets 0 likes
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