Brad Fitzpatrick 85c3d17b3c wgengine/magicsock: use disco ping src as a candidate endpoint ... Consider: Hard NAT (A) <---> Hard NAT w/ mapped port (B) If A sends a packet to B's mapped port, A can disco ping B directly, with low latency, without DERP. But B couldn't establish a path back to A and needed to use DERP, despite already logging about A's endpoint and adding a mapping to it for other purposes (the wireguard conn.Endpoint lookup also needed it). This adds the tracking to discoEndpoint too so it'll be used for finding a path back. Fixes tailscale/corp#556 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>		2020-08-12 21:33:43 -07:00
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magicsock.go	wgengine/magicsock: use disco ping src as a candidate endpoint	2020-08-12 21:33:43 -07:00
magicsock_test.go	wgengine,magicsock: fix two lazy wireguard config issues	2020-08-06 15:02:29 -07:00