IP

Client address: (informations from database)
Server address: (informations from database) - (require IPv6)"; ?>

TCP

RTT: milliseconds
RTT variance:
SND CWND:
RCV SPACE:

Ports

Client port:
Server port:
Test outgoing destination ports (IPv6 only) https://ports.meta.4.niv.re:/

TLS

TLS session ID:
Offered TLS curves:
Offered TLS ciphers:
Negotiated TLS cipher:
Negotiated TLS version:

HTTP

Request line:

Headers

 $value) {
          if ($name !== "Content-Length" AND $name !== "Content-Type")
            echo htmlspecialchars($name) . ": " . htmlspecialchars($value) . "\n";
        } ?>
Headers definition lists https://en.wikipedia.org/wiki/List_of_HTTP_header_fields
https://developer.mozilla.org/docs/Web/HTTP/Headers
https://datatracker.ietf.org/doc/html/rfc2616
RFC 7231 Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content > 5. Request Header Fields
RFC 7231 Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content > 7. Response Header Fields

Server system informations

Architecture:
Distribution:
Distribution version:
Distribution version codename:
Distribution description:
Kernel:
Kernel version:
Nginx version:
PHP version:
Connection ID since Nginx startup:
Requests in this connection:
Unix time: ( UTC)