- From: Nico Williams <nico@cryptonector.com>
- Date: Tue, 15 Jan 2013 18:07:48 -0600
- To: Mark Nottingham <mnot@mnot.net>
- Cc: Karl Dubost <karld@opera.com>, Julian Reschke <julian.reschke@gmx.de>, Piotr Dobrogost <p@ietf.dobrogost.net>, ietf-http-wg@w3.org
On Tue, Jan 15, 2013 at 6:01 PM, Mark Nottingham <mnot@mnot.net> wrote: > On 16/01/2013, at 10:57 AM, Nico Williams <nico@cryptonector.com> wrote: >> No. I'm saying that it's OK for apps to do that but not any other >> entities (middleboxes), mostly because middleboxes can't possibly know >> about headers that hadn't been registered when they were implemented. > > OK. Is this an actual problem you've encountered? > > I'm fine with adding some clarifying text if it helps implementers, but I haven't seen this confusing any middlebox vendors; they tend to leave the bits alone... I noticed Poul's and someone else's replies that in their middlebox implementations they concluded that it's never safe to merge headers. If that's the case (and I do think it follows from the facts that it is the case) then we should say so rather than leave each implementor to figure this out on their own. Nico --
Received on Wednesday, 16 January 2013 00:08:12 UTC