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tailscale/wgengine
Andrew Dunham d77499e101
wgengine/router: print Docker warning when stateful filtering is enabled
When Docker is detected on the host and stateful filtering is enabled,
Docker containers may be unable to reach Tailscale nodes (depending on
the network settings of a container). Detect Docker when stateful
filtering is enabled and print a health warning to aid users in noticing
this issue.

We avoid printing the warning if the current node isn't advertising any
subnet routes and isn't an exit node, since without one of those being
true, the node wouldn't have the correct AllowedIPs in WireGuard to
allow a Docker container to connect to another Tailscale node anyway.

Updates #12070

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: Idef538695f4d101b0ef6f3fb398c0eaafc3ae281
(cherry picked from commit 5708fc0639)
6 months ago
..
bench ipn/ipnlocal, all: plumb health trackers in tests 6 months ago
capture various: add golangci-lint, fix issues (#7905) 2 years ago
filter all: use Go 1.22 range-over-int 7 months ago
magicsock ipnlocal, magicsock: store last suggested exit node id in local backend (#11959) 6 months ago
netlog wgengine: add exit destination logging enable for wgengine logger (#11952) 6 months ago
netstack ipn/ipnlocal, all: plumb health trackers in tests 6 months ago
router wgengine/router: print Docker warning when stateful filtering is enabled 6 months ago
wgcfg tailcfg,all: add/plumb Node.IsJailed 6 months ago
wgint wgengine{,/wgint}: add wgint.Peer wrapper type, add to wgengine.Engine 8 months ago
wglog all: use Go 1.22 range-over-int 7 months ago
winnet
mem_ios.go
pendopen.go wgengine: make pendOpen time later, after dup check 8 months ago
userspace.go ipn/ipnlocal, all: plumb health trackers in tests 6 months ago
userspace_ext_test.go ipn/ipnlocal, all: plumb health trackers in tests 6 months ago
userspace_test.go ipn/ipnlocal, all: plumb health trackers in tests 6 months ago
watchdog.go ipn/ipnlocal,net/tstun,wgengine: create and plumb jailed packet filter 6 months ago
watchdog_js.go
watchdog_test.go ipn/ipnlocal, all: plumb health trackers in tests 6 months ago
wgengine.go ipn/ipnlocal,net/tstun,wgengine: create and plumb jailed packet filter 6 months ago