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Author SHA1 Message Date
nblock 1e0516b99d Restore support for "Override local DNS" (#2438) 
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
 2025-04-17 17:16:59 +02:00
Florian Preinstorfer 89a648c7dd Remove use_username_in_magic_dns option
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Tests / test (push) Has been cancelled 
Upgrade the use of dns.use_username_in_magic_dns or
dns_config.use_username_in_magic_dns to a fatal error and remove the
option from the example configuration and integration tests.

Fixes: #2219
 2024-12-11 18:39:35 +01:00
Motiejus Jakštys c6336adb01 config: loosen up BaseDomain and ServerURL checks (#2248) 
* config: loosen up BaseDomain and ServerURL checks

Requirements [here][1]:

> OK:
> server_url: headscale.com, base: clients.headscale.com
> server_url: headscale.com, base: headscale.net
>
> Not OK:
> server_url: server.headscale.com, base: headscale.com
>
> Essentially we have to prevent the possibility where the headscale
> server has a URL which can also be assigned to a node.
>
> So for the Not OK scenario:
>
> if the server is: server.headscale.com, and a node joins with the name
> server, it will be assigned server.headscale.com and that will break
> the connection for nodes which will now try to connect to that node
> instead of the headscale server.

Fixes #2210

[1]: https://github.com/juanfont/headscale/issues/2210#issuecomment-2488165187

* server_url and base_domain: re-word error message, fix a one-off bug and add a test case for the bug.

* lint

* lint again
 2024-11-22 13:21:44 +01:00
Kristoffer Dalby 84cb5d0aed make acl_policy_path fatal if policy.path is not set (#2041) 2024-08-19 13:03:01 +02:00
Kristoffer Dalby ac8491efec Redo DNS configuration (#2034) 
this commit changes and streamlines the dns_config into a new
key, dns. It removes a combination of outdates and incompatible
configuration options that made it easy to confuse what headscale
could and could not do, or what to expect from ones configuration.

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
 2024-08-19 11:41:05 +02:00