Jordan Whited d21ebc28af
wgengine/netstack: implement netstack loopback (#13301)
When the TS_DEBUG_NETSTACK_LOOPBACK_PORT environment variable is set,
netstack will loop back (dnat to addressFamilyLoopback:loopbackPort)
TCP & UDP flows originally destined to localServicesIP:loopbackPort.
localServicesIP is quad-100 or the IPv6 equivalent.

Updates tailscale/corp#22713

Signed-off-by: Jordan Whited <jordan@tailscale.com>
2024-08-28 18:50:13 -07:00
..
2024-04-16 15:32:38 -07:00