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History

Brad Fitzpatrick c64bd587ae net/portmapper: add NAT-PMP client, move port mapping service probing * move probing out of netcheck into new net/portmapper package * use PCP ANNOUNCE op codes for PCP discovery, rather than causing short-lived (sub-second) side effects with a 1-second-expiring map + delete. * track when we heard things from the router so we can be less wasteful in querying the router's port mapping services in the future * use portmapper from magicsock to map a public port Fixes #1298 Fixes #1080 Fixes #1001 Updates #864 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
..
pad32.go	net/portmapper: add NAT-PMP client, move port mapping service probing	3 years ago

Brad Fitzpatrick c64bd587ae net/portmapper: add NAT-PMP client, move port mapping service probing

* move probing out of netcheck into new net/portmapper package
* use PCP ANNOUNCE op codes for PCP discovery, rather than causing
  short-lived (sub-second) side effects with a 1-second-expiring map +
  delete.
* track when we heard things from the router so we can be less wasteful
  in querying the router's port mapping services in the future
* use portmapper from magicsock to map a public port

Fixes #1298
Fixes #1080
Fixes #1001
Updates #864

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

pad32.go

net/portmapper: add NAT-PMP client, move port mapping service probing