- From: LI Daobing (Nikko) <lidaobing@gmail.com>
- Date: Fri, 3 Apr 2026 15:10:59 -0700
- To: Rory Hewitt <rory.hewitt@gmail.com>
- Cc: Tim Bray <tbray@textuality.com>, Mark Nottingham <mnot@mnot.net>, HTTP Working Group <ietf-http-wg@w3.org>
421 has already been used in RFC 9110. Next one should be 432 based on MDN. On Fri, Apr 3, 2026 at 2:37 PM Rory Hewitt <rory.hewitt@gmail.com> wrote: > > I might be inclined to skip to 421... > > On Fri, Apr 3, 2026 at 2:20 PM Tim Bray <tbray@textuality.com> wrote: >> >> >> On Apr 3, 2026 at 2:14:23 PM, Mark Nottingham <mnot@mnot.net> wrote: >>> >>> <https://github.com/httpwg/http-extensions/issues/3410> >>> >>> A specific status code needs to be selected. >>> >>> The next unassigned 4xx status code is 419. No use is documented in MDN or wikipedia, but I see a few resources that mention a single PHP framework is squatting on it to indicate that a session token is expired. >> >> >> And the next one would be 420…. -T >> >>> >>> What do people think? >>> >>> Cheers, >>> >>> -- >>> Mark Nottingham https://www.mnot.net/ >>> >>> > > > -- > Rory Hewitt > > https://www.linkedin.com/in/roryhewitt -- Best Regards LI Daobing
Received on Monday, 6 April 2026 15:16:39 UTC