diff options
| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2019-03-08 02:06:07 +0100 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-03-08 02:07:46 +0100 |
| commit | 2d677112997d2dcdccd87e06763d93862ff58641 (patch) | |
| tree | ac5eee6146d8162d5c3a59beb5d965be246761f4 | |
| parent | ui: nag (diff) | |
| download | wireguard-windows-2d677112997d2dcdccd87e06763d93862ff58641.tar.xz wireguard-windows-2d677112997d2dcdccd87e06763d93862ff58641.zip | |
ifaceconfig: don't try to set v6 MTUs under 1280
We also constrain v4, but it'd be surprising for that to actually be an
issue without something else also being an issue.
Reported-by: Thomas Gschwantner <tharre3@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to '')
| -rw-r--r-- | service/ifaceconfig.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/service/ifaceconfig.go b/service/ifaceconfig.go index 1bd5f690..edf13ab1 100644 --- a/service/ifaceconfig.go +++ b/service/ifaceconfig.go @@ -105,6 +105,9 @@ func monitorDefaultRoutes(device *device.Device, autoMTU bool, guid *windows.GUI return err } iface.NlMtu = mtu - 80 + if iface.NlMtu < 576 { + iface.NlMtu = 576 + } err = iface.Set() if err != nil { return err @@ -114,6 +117,9 @@ func monitorDefaultRoutes(device *device.Device, autoMTU bool, guid *windows.GUI return err } iface.NlMtu = mtu - 80 + if iface.NlMtu < 1280 { + iface.NlMtu = 1280 + } err = iface.Set() if err != nil { return err |