delegate setting example
./delegated -P8080 SERVER={http,https} PERMIT="*:*.websocket.org:*"
./delegated -P8080 SERVER={http,https} PROXY="localhost:80:*.websocket.org,*.example.com"
./delegated -P8080 SERVER={http,https} PROXY="localhost:80:!*.websocket.org"
firewall-cmd --add-port=8080/tcp
firewall-cmd --running-to-permanent
firewall-cmd --reload