Re: HTTP/2: allow binary data in header field values

On Tue, Aug 29, 2017 at 12:57:47AM -0700, Piotr Sikora wrote:
> Hi Willy,
> On Tue, Aug 29, 2017 at 12:04 AM, Willy Tarreau <> wrote:
> > So if that's done only after the sender has received the recipient's
> > SETTINGS frame, I think it's safe, possibly at the cost of an extra RTT,
> > unless such behaviour could be enforced by configuration where that makes
> > sense.
> Well, it just means that the first few requests would be sent with
> base64 encoded binary header field values (i.e. using standard RFC7540
> rules), and after receiving recipient's SETTINGS frame with this
> extension, sender would start sending "raw" binary header field values
> prefixed with NUL byte (0x00).
> Hope this clarifies things!

Yes that's my understanding as well.


Received on Tuesday, 29 August 2017 08:11:09 UTC