Protocol

SONION/1.0 looks a lot like HTTP/1.1 carried over TLS.

• URL: sonion://host[:port]/path?query
• Port: 6767 by default
• TLS: 1.3 only
• ALPN: sonion/1

Request

GET /index.html SONION/1.0
Host: cool.rizz

Lines end with CRLF, and a blank line ends the headers. Methods are GET, HEAD, POST, PUT, PATCH, DELETE and OPTIONS.

Response

SONION/1.0 200 ok
Content-Type: text/html
Content-Length: 18

<h1>hello</h1>

Status codes mean the same as in HTTP and clients follow up to 5 redirects.

Connections

Connections stay open for more requests unless either side sends a Connection: close. A server closes a connection after 120 idle seconds or 1000 requests.

Limits

Request line	8 KB
Status line	64 bytes
Headers	16 KB
Body	10 MB

Try it

sonion fetch sonion://domains.son/ --head