An nginx access log records status 499 when the downstream client closes its connection before nginx can finish the response. The number tells you who stopped waiting from nginx's point of view; it does not yet tell you why they left or which component was slow.
That distinction ...
A Fail2ban ban can look successful while blocking nothing. Behind Cloudflare or another reverse proxy, the web server may receive the proxy as the TCP peer, recover a visitor address from a trusted header, write that visitor into a log, and then ask a host firewall to ...
Most WordPress sites should block or restrict xmlrpc.php if they do not use legacy mobile publishing, pingbacks, Jetpack features or remote integrations that still depend on it. The safe choice is to audit dependencies first, then block, restrict or allowlist based on evidence.
XML-RPC risk depends on site ...