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1e0516b99d
Tailscale allows to override the local DNS settings of a node via
"Override local DNS" [1]. Restore this flag with the same config setting
name `dns.override_local_dns` but disable it by default to align it with
Tailscale's default behaviour.
Tested with Tailscale 1.80.2 and systemd-resolved on Debian 12.
With `dns.override_local_dns: false`:
```
Link 12 (tailscale0)
Current Scopes: DNS
Protocols: -DefaultRoute -LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported
DNS Servers: 100.100.100.100
DNS Domain: tn.example.com ~0.e.1.a.c.5.1.1.a.7.d.f.ip6.arpa [snip]
```
With `dns.override_local_dns: true`:
```
Link 12 (tailscale0)
Current Scopes: DNS
Protocols: +DefaultRoute -LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported
DNS Servers: 100.100.100.100
DNS Domain: tn.example.com ~.
```
[1] https://tailscale.com/kb/1054/dns#override-local-dns
Fixes: #2256
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| .. | ||
| assets | ||
| capver | ||
| db | ||
| derp | ||
| dns | ||
| mapper | ||
| notifier | ||
| policy | ||
| routes | ||
| templates | ||
| types | ||
| util | ||
| app.go | ||
| auth_test.go | ||
| auth.go | ||
| debug.go | ||
| grpcv1_test.go | ||
| grpcv1.go | ||
| handlers.go | ||
| metrics.go | ||
| noise.go | ||
| oidc.go | ||
| platform_config.go | ||
| poll.go | ||
| suite_test.go | ||
| tailsql.go | ||