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EpicNext-Cms/deployment/proxy/nginx.conf
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feat(proxy): sync Cloudflare ranges at nginx+Traefik, block IP spoofing
- cloudflare-ips.conf (new): geo $cms_trusted_edge + set_real_ip_from from
  live CF IPv4/IPv6 ranges plus Traefik bridge and loopback
- nginx-cms.conf: forward real client IP only from trusted peers, strip
  incoming CF-Connecting-IP, 403 any other peer that presents one
  (spoof gate); direct game clients on :9443 stay unaffected
- cf-ips-sync.sh (new): fetch cloudflare.com/ips-v4/-v6, regenerate the
  nginx snippet and Traefik websecure.forwardedHeaders.trustedIPs
- nginx-sync.sh: install the cloudflare-ips.conf snippet
- cms_upstream_servers.conf: point default at the live green slot 3003
2026-09-28 23:35:00 +02:00

55 lines
1.9 KiB
Nginx Configuration File

# Canonical nginx config for the EpicNabbo CMS edge.
# Source of truth: repository deployment/proxy/nginx-cms.conf (the site block)
# and this file. Installed/synced by scripts/nginx-sync.sh so it cannot be
# lost again while nginx keeps running on an in-memory copy.
#
# Traffic path: Cloudflare -> Traefik (:443) -> nginx (:9443) -> CMS (:3002),
# with direct Cloudflare-origin and game-client (ws.epicnabbo.nl) connections
# also terminating on :9443.
# nginx is the last layer that can still rewrite Cache-Control, so it owns the
# headers it adds explicitly; everything proxied to the CMS is passed through
# untouched unless this file says otherwise.
user www-data;
worker_processes auto;
pid /run/nginx.pid;
error_log /var/log/nginx/error.log warn;
events {
worker_connections 2048;
use epoll;
}
http {
include /etc/nginx/mime.types;
default_type application/octet-stream;
# Compression is done once, at the edge (Traefik / Cloudflare). Enabling
# gzip here too would double-compress proxied responses and fight Vary.
gzip off;
sendfile on;
tcp_nopush on;
server_tokens off;
keepalive_timeout 30s;
client_max_body_size 64m;
client_body_buffer_size 16k;
client_header_buffer_size 1k;
large_client_header_buffers 4 8k;
# Blue/green cutover: ci-deploy.sh writes the active upstream here, and
# `proxy_pass http://cms_app` below follows it via graceful nginx -s reload.
upstream cms_app {
include /etc/nginx/snippets/cms_upstream_servers.conf;
}
# Cache policy maps and server blocks live in the site file so they are
# synced together and can never drift apart.
include /etc/nginx/sites-enabled/*.conf;
# Trusted edge / real-IP handling (regenerated by scripts/cf-ips-sync.sh
# from the live Cloudflare ranges; installed via scripts/nginx-sync.sh).
include /etc/nginx/conf.d/cloudflare-ips.conf;
}