[Bug] Get Attack FROM...

What happened?

When switch to proxy protocol return error:

How we reproduce?

chcange detail protocol get attack

Expected behavior

No response

Error log

nginx conf reload error: nginx: [warn] protocol options redefined for 0.0.0.0:80 in /etc/nginx/sites-enabled/IF_backend_56:13

If the proxy protocol is enabled, all other sites using the same port must also employ the proxy protocol.