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tailscale/cmd/derper
valscale 7bfb7744b7
derp,magicsock: add debug envknobs for HTTP and derp server name (#7744)
Make developing derp easier by:

1. Creating an envknob telling clients to use HTTP to connect to derp
servers, so devs don't have to acquire a valid TLS cert.

2. Creating an envknob telling clients which derp server to connect
to, so devs don't have to edit the ACLs in the admin console to add a
custom DERP map.

3. Explaining how the -dev and -a command lines args to derper
interact.

To use this:

1. Run derper with -dev.

2. Run tailscaled with TS_DEBUG_USE_DERP_HTTP=1 and
TS_DEBUG_USE_DERP_ADDR=localhost

This will result in the client connecting to derp via HTTP on port
3340.

Fixes #7700

Signed-off-by: Val <valerie@tailscale.com>
2 years ago
..
bootstrap_dns.go util/slicesx: add package for generic slice functions, use 2 years ago
bootstrap_dns_test.go all: use tstest.Replace more 2 years ago
cert.go all: update copyright and license headers 2 years ago
depaware.txt net/tshttpproxy: don't proxy through ourselves 2 years ago
derper.go derp,magicsock: add debug envknobs for HTTP and derp server name (#7744) 2 years ago
derper_test.go all: update copyright and license headers 2 years ago
mesh.go all: update to Go 1.20, use strings.CutPrefix/Suffix instead of our fork 2 years ago
websocket.go all: update copyright and license headers 2 years ago