Anton Tolchanov 69f61dcad8 prober: add a DERP probe manager based on derpprobe
This ensures that each DERP server is probed individually (TLS and STUN)
and also manages per-region mesh probing. Actual probing code has been
copied from cmd/derpprobe.

Signed-off-by: Anton Tolchanov <anton@tailscale.com>
2022-10-20 13:54:34 +01:00
..
2022-09-29 13:36:13 -07:00
2022-03-21 13:45:08 -07:00