[SPEC] Encouraging HTTP Proxies to support Gemini hosts self-blacklisting

[Jason McBrayer]

Dave Cottlehuber writes:
> 403 Forbidden is ideal for this, or one of the 50x error codes. In
> practice most systems will retry a 50x request but not a 403.

I feel that by analogy, status code 418 might be appropriate.

-- 
Jason McBrayer      | ?Strange is the night where black stars rise,
jmcbray at carcosa.net | and strange moons circle through the skies,
                    | but stranger still is lost Carcosa.?
                    | ? Robert W. Chambers,The King in Yellow