Brad Fitzpatrick 4987a7d46c wgengine/magicsock: when hard NAT, add stun-ipv4:static-port as candidate
If a node is behind a hard NAT and is using an explicit local port
number, assume they might've mapped a port and add their public IPv4
address with the local tailscaled's port number as a candidate endpoint.
2020-08-04 09:48:34 -07:00
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