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Add hint for reverse proxying with Apache

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Jan Hartkopf 2023-01-23 14:08:15 +01:00 committed by Juan Font
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docs/reverse-proxy.md
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@ -112,3 +112,20 @@ The following Caddyfile is all that is necessary to use Caddy as a reverse proxy
Caddy v2 will [automatically](https://caddyserver.com/docs/automatic-https) provision a certficate for your domain/subdomain, force HTTPS, and proxy websockets - no further configuration is necessary. Caddy v2 will [automatically](https://caddyserver.com/docs/automatic-https) provision a certficate for your domain/subdomain, force HTTPS, and proxy websockets - no further configuration is necessary.
For a slightly more complex configuration which utilizes Docker containers to manage Caddy, Headscale, and Headscale-UI, [Guru Computing's guide](https://blog.gurucomputing.com.au/smart-vpns-with-headscale/) is an excellent reference. For a slightly more complex configuration which utilizes Docker containers to manage Caddy, Headscale, and Headscale-UI, [Guru Computing's guide](https://blog.gurucomputing.com.au/smart-vpns-with-headscale/) is an excellent reference.
## Apache
The following minimal Apache config will proxy traffic to the Headscale instance on `<IP:PORT>`. Note that `upgrade=any` is required as a parameter for `ProxyPass` so that WebSockets traffic whose `Upgrade` header value is not equal to `WebSocket` (i. e. Tailscale Control Protocol) is forwarded correctly. See the [Apache docs](https://httpd.apache.org/docs/2.4/mod/mod_proxy_wstunnel.html) for more information on this.
```
<VirtualHost *:443>
ServerName <YOUR_SERVER_NAME>
ProxyPreserveHost On
ProxyPass / http://<IP:PORT>/ upgrade=any
SSLEngine On
SSLCertificateFile <PATH_TO_CERT>
SSLCertificateKeyFile <PATH_CERT_KEY>
</VirtualHost>
```