GitHub user daviftorres added a comment to the discussion: Nginx or Apache as a
reverse proxy in front of CloudStack (including VNC console support)
Here’s my NGINX setup (very similar to what @dR3b and @bhouse-nexthop shared).
I’m assuming SSL (wildcard cert) is terminated on NGINX for all services:
```
ssl_certificate /etc/nginx/fullchain.crt;
ssl_certificate_key /etc/nginx/privatekey.key;
ssl_protocols TLSv1.2 TLSv1.3;
ssl_prefer_server_ciphers on;
ssl_ciphers <your_preferred_ciphers>;
server {
listen 80 default_server;
listen [::]:80 default_server;
server_name _;
return 301 https://$host$request_uri;
}
```
For small environments (around 10~30 concurrent SysVMs), you can create a
host-to-IP mapping that includes the environment name (dev, test, stage, poc,
hotfix, etc.)
```
map $host $backend_ip {
10-10-1-200.<environment>.example.com 10.10.1.200;
10-10-1-201.<environment>.example.com 10.10.1.201;
10-10-1-202.<environment>.example.com 10.10.1.202;
# add more as needed
}
```
This setup covers Console Proxy VMs and Secondary Storage VMs:
```
server {
listen 443 ssl;
server_name ~^(10-10-1-\d+\.<environment>\.example\.com)$;
client_max_body_size 0;
proxy_http_version 1.1;
proxy_request_buffering off;
location / {
proxy_pass https://$backend_ip:443;
proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
}
}
For WebSocket Secure (WSS) traffic:
```
server {
listen 8443 ssl;
server_name _;
client_max_body_size 0;
proxy_http_version 1.1;
proxy_request_buffering off;
location /websockify {
proxy_pass https://$backend_ip:8443;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_set_header Host $host;
proxy_read_timeout 600s;
proxy_buffering off;
}
}
```
Both use the same host-to-IP mapping, without a tailored regex.
For larger environments, consider HAProxy, Varnish, or Envoy because they scale
better and handle complex routing more efficiently.
Warning: Using a loose regex for server_name can expose other network assets
(via fuzzing/guessing IPs). Keep the regex strict to SysVMs only.
GitHub link:
https://github.com/apache/cloudstack/discussions/11562#discussioncomment-14307891
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