Depends what you mean by "IP filtering", but there's a built-in 'remote_ip' matcher that can let you handle requests from specific IPs/CIDRs differently (such a

Depends what you mean by "IP filtering", but there's a built-in 'remote_ip' matcher that can let you handle requests from specific IPs/CIDRs differently (such as aborting/forcefully closing the connection): https://caddyserver.com/docs/caddyfile/matchers#remote-ip https://caddyserver.com/docs/caddyfile/matchers#remote-ip