Re: I-D Action: draft-ietf-httpbis-connect-tcp-11.txt

Thanks for the update, Ben! I’ve issued another Working Group Last Call for the document.

Best,
Tommy

> On Mar 20, 2026, at 1:39 PM, Ben Schwartz <bemasc@meta.com> wrote:
> 
> Hi HTTPBIS,
> 
> As we discussed in yesterday(?)'s meeting, I've changed the text of "connect-tcp" to forbid Proxy-Status trailers instead of allowing them.  In draft-11, the sentence in question now reads:
> 
> > Clients and proxies MUST NOT send trailer fields on "connect-tcp" streams.
> 
> I avoided commentary on whether this is forbidden by RFC 9113 and RFC 9114, because it's not clear to me whether those requirements apply.  (They are arguably limited to non-Extended CONNECT.)  It is logical enough to forbid it here narrowly, even if it could be permitted.  (For example, forbidding trailers here makes "connect-tcp" more consistent across HTTP versions.)
> 
> I am not aware of any remaining issues that need to be addressed in this draft.
> 
> --Ben Schwartz
> From: internet-drafts@ietf.org <mailto:internet-drafts@ietf.org> <internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>>
> Sent: Friday, March 20, 2026 4:16 PM
> To: i-d-announce@ietf.org <mailto:i-d-announce@ietf.org> <i-d-announce@ietf.org <mailto:i-d-announce@ietf.org>>
> Cc: ietf-http-wg@w3.org <mailto:ietf-http-wg@w3.org> <ietf-http-wg@w3.org <mailto:ietf-http-wg@w3.org>>
> Subject: I-D Action: draft-ietf-httpbis-connect-tcp-11.txt
>  
> 
> 
> Internet-Draft draft-ietf-httpbis-connect-tcp-11.txt is now available. It is a
> work item of the HTTP (HTTPBIS) WG of the IETF.
> 
>    Title:   Template-Driven HTTP CONNECT Proxying for TCP
>    Author:  Benjamin M. Schwartz
>    Name:    draft-ietf-httpbis-connect-tcp-11.txt
>    Pages:   17
>    Dates:   2026-03-20
> 
> Abstract:
> 
>    TCP proxying using HTTP CONNECT has long been part of the core HTTP
>    specification.  However, this proxying functionality has several
>    important deficiencies in modern HTTP environments.  This
>    specification defines an alternative HTTP proxy service configuration
>    for TCP connections.  This configuration is described by a URI
>    Template, similar to the CONNECT-UDP and CONNECT-IP protocols.
> 
> The IETF datatracker status page for this Internet-Draft is:
> https://urldefense.com/v3/__https://datatracker.ietf.org/doc/draft-ietf-httpbis-connect-tcp/__;!!Bt8RZUm9aw!9sd738ojj0FuPw76GlNFS2YTUVMaxfeFzFH6EInm6qDVC7leNTBUSPpen_jgJC5U5NzjtUAFQQjEaU6KD9QHmg$
> 
> There is also an HTML version available at:
> https://urldefense.com/v3/__https://www.ietf.org/archive/id/draft-ietf-httpbis-connect-tcp-11.html__;!!Bt8RZUm9aw!9sd738ojj0FuPw76GlNFS2YTUVMaxfeFzFH6EInm6qDVC7leNTBUSPpen_jgJC5U5NzjtUAFQQjEaU4XoTMfVg$
> 
> A diff from the previous version is available at:
> https://urldefense.com/v3/__https://author-tools.ietf.org/iddiff?url2=draft-ietf-httpbis-connect-tcp-11__;!!Bt8RZUm9aw!9sd738ojj0FuPw76GlNFS2YTUVMaxfeFzFH6EInm6qDVC7leNTBUSPpen_jgJC5U5NzjtUAFQQjEaU7D7XmA8w$
> 
> Internet-Drafts are also available by rsync at:
> rsync.ietf.org <http://rsync.ietf.org/>::internet-drafts
> 
> 
>