LiteSpeed Web Server doesn't support ProxyPass , ProxyPassReverse or other mod_proxy directives. However, you can use rewrite rules with [P] and set up an external app of the proxy in LSWS configuration to make it work fully. Create an External App ¶ Log into the LiteSpeed WebAdmin Console at example.com:7080 . Go to the Configuration > Server > External App tab and click Add . The external app can also be added at the virtual host level, but adding at server level is recommended. Name - Any unique external app name. It should not start with "http://". For example, Local_proxy . * Address - The IP:PORT or UDS socket of the backend server. It cannot be a domain name. For example, the frontend is on port 443 , and the backend is on ip:80 , so you would enter the backend ip:80 here, replacing ip with the actual IP address. Please remember do not add "http://" or "h...