Creating caddyfile macos arm

and my caddyfile is this:

example.ddns.net:80 {
  respond ":-P" 403
}

example.ddns.net:443 {
  respond ":-P" 403
}

example.ddns.net:4361 {
  reverse_proxy 127.0.0.1:8096
}

Is this correct to do the following outlined by Cognicom https://forum.jellyfin.org/t/simpleton-guide-for-remote-access/2707/2