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tailscale/net/captivedetection
Andrea Gottardo 69be54c7b6
net/captivedetection: exclude ipsec interfaces from captive portal detection (#13598)
Updates tailscale/tailscale#1634

Logs from some iOS users indicate that we're pointlessly performing captive portal detection on certain interfaces named ipsec*. These are tunnels with the cellular carrier that do not offer Internet access, and are only used to provide internet calling functionality (VoLTE / VoWiFi).

```
attempting to do captive portal detection on interface ipsec1
attempting to do captive portal detection on interface ipsec6
```

This PR excludes interfaces with the `ipsec` prefix from captive portal detection.

Signed-off-by: Andrea Gottardo <andrea@gottardo.me>
4 weeks ago
..
captivedetection.go net/captivedetection: exclude ipsec interfaces from captive portal detection (#13598) 4 weeks ago
captivedetection_test.go net/captivedetection: mark TestAllEndpointsAreUpAndReturnExpectedResponse flaky (#13021) 3 months ago
endpoints.go health: introduce captive-portal-detected Warnable (#12707) 3 months ago
rawconn.go health: introduce captive-portal-detected Warnable (#12707) 3 months ago
rawconn_apple.go health: introduce captive-portal-detected Warnable (#12707) 3 months ago