Add notice about UDP 443 for http3

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Émilien Devos (perso) 2023-02-22 11:44:28 +01:00 committed by GitHub
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commit ac052dc672
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@ -238,8 +238,9 @@ Different web servers that support HTTP3:
- NGINX, there is a tutorial here: https://www.nginx.com/blog/binary-packages-for-preview-nginx-quic-http3-implementation/
- Caddy, it's already enabled by default
1. Edit the previously added HTTP header by adapting it like this:
1. Whitelist the port UDP 443 in your firewall.
2. Edit the previously added HTTP header by adapting it like this:
```
alt-svc: h3="original.yourdomain.com:443"; ma=86400, h2="original.yourdomain.com:443"; ma=86400
```
2. Restart your web server. Check in the dev tools if you still see the IP address of your original server(s) and the HTTP3 protocol should be also displayed.
3. Restart your web server. Check in the dev tools if you still see the IP address of your original server(s) and the HTTP3 protocol should be also displayed.