- forum uses apache2 as outer rev proxy, should be changed to nginx.
- implement proxy protocol
HAPROXY:
https://www.haproxy.com/de/blog/using-haproxy-with-the-proxy-protocol-to-better-secure-your-database/
NGINX:
https://docs.nginx.com/nginx/admin-guide/load-balancer/using-proxy-protocol/
Real-IP modules:
https://docs.nginx.com/nginx/admin-guide/installing-nginx/installing-nginx-open-source/
HAPROXY:
https://www.haproxy.com/de/blog/using-haproxy-with-the-proxy-protocol-to-better-secure-your-database/
NGINX:
https://docs.nginx.com/nginx/admin-guide/load-balancer/using-proxy-protocol/
Real-IP modules:
https://docs.nginx.com/nginx/admin-guide/installing-nginx/installing-nginx-open-source/
docker2: nginx leitet ip nicht weiter
Doku: https://meta.discourse.org/t/how-to-set-up-discourse-on-a-server-with-existing-apache-sites/30013