From: "Rémi Lapeyre" <remi.lapeyre@lenstra.fr>
To: "Rémi Lapeyre" <remi.lapeyre@henki.fr>,
"Jason A. Donenfeld" <jason@zx2c4.com>
Cc: WireGuard mailing list <wireguard@lists.zx2c4.com>
Subject: Re: MTU on wireguard-apple for IPv6
Date: Thu, 19 Dec 2019 02:37:55 -0800 [thread overview]
Message-ID: <CAFsReqQ6uPQVWvupBBZZd3Q766i=4HnNZGyK83gNvyLG12nw5w@mail.gmail.com> (raw)
In-Reply-To: <CAHmME9rKOd1rLygTtbho-vo85wQBGo5tQXdBrDvE-Fdk+r=_aw@mail.gmail.com>
> Probably the phone's dhcp server doesn't pass the right MTU back to
> the client, but then the phone does the mss-mtu hack to fix up TCP
> connections. That hack doesn't work when the traffic is end-to-end
> encrypted, as is the case with WireGuard, so no smaller MSS is ever
> negotiated.
Won’t this situation happen a lot? Should we fix the default MTU to 1280
to avoid users having their tunnel randomly fail on some network?
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next prev parent reply other threads:[~2019-12-26 15:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-17 18:26 MTU on wireguard-apple for IPv6 Rémi Lapeyre
2019-12-19 1:27 ` Jason A. Donenfeld
2019-12-19 10:37 ` Rémi Lapeyre [this message]
2019-12-27 16:10 ` Rémi Lapeyre
2019-12-18 10:41 Rémi Lapeyre
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