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Reply to topic   Topic: HTTP/3 support availability
Author
JorgeCarousel



Joined: 14 Jul 2022
Posts: 15
Location: USA, New york
PostPosted: Wed 20 Jul '22 16:51    Post subject: HTTP/3 support availability Reply with quote
Hey guys,

Does anybody know when Apache httpd will have support for HTTP/3?

I know HTTP/3 is not completely out yet, but it would be nice to know.

Thanks.
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7406
Location: EU, Germany, Next to Hamburg
PostPosted: Wed 27 Jul '22 13:03    Post subject: Reply with quote
AFAIK no one has started to code that for httpd apache yet.
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JorgeCarousel



Joined: 14 Jul 2022
Posts: 15
Location: USA, New york
PostPosted: Fri 19 Aug '22 17:06    Post subject: Reply with quote
At least the first step to achieve this can be done, I just compiled httpd-2.4.54 using openssl-3.0.5+quic on a Fedora 36 VM, so if that can be done it's the first step to create a mod_http3 with the other core modules.

Also while doing that, nghttp2 said it also supports http3.

I just hope somebody starts working on this soon, I was trying nginx-quic and it sucks, I rather using Apache httpd.
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7406
Location: EU, Germany, Next to Hamburg
PostPosted: Fri 02 Sep '22 14:00    Post subject: Reply with quote
At least on the browser side, it looks promising https://caniuse.com/http3

You are welcome to create mod_http3. A good starting point is https://github.com/icing/mod_h2
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JorgeCarousel



Joined: 14 Jul 2022
Posts: 15
Location: USA, New york
PostPosted: Thu 08 Sep '22 15:03    Post subject: Reply with quote
I wish I had the knowledge to do so, but I don't, so I better leave it to the experts.
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JorgeCarousel



Joined: 14 Jul 2022
Posts: 15
Location: USA, New york
PostPosted: Thu 10 Nov '22 22:14    Post subject: Reply with quote
To stay on the subject nghttp3 is available to use without OpenSSL+Quic, using the QPACK instead.

More info here: https://nghttp2.org/nghttp3/

I just hope somebody takes the lead and start working on it so we can have it available.
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JorgeCarousel



Joined: 14 Jul 2022
Posts: 15
Location: USA, New york
PostPosted: Tue 13 Dec '22 22:20    Post subject: Reply with quote
I wonder if this s why nothing is being done to get httpd have availability for http3: https://cwiki.apache.org/confluence/display/TS/Presentations+-+2022?preview=%2F211885742%2F211885754%2FHTTP3-ats-summit-2020-fall.pdf

Aparently it's slower than http2, or so it showed with ATS.
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JorgeCarousel



Joined: 14 Jul 2022
Posts: 15
Location: USA, New york
PostPosted: Mon 13 Feb '23 20:48    Post subject: Reply with quote
Another setback for HTTP3, this is from OpenSSL when I asked them when openssl was going to have support for quic:

Quote:
Initial QUIC support will be available in OpenSSL 3.2. However this support is planned to be limited (client side only, single stream only) - not really useable for http3. 3.3 is likely to have more extensive support. 3.2 will be out some time later this year. No timeline for 3.3 yet.
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cforce



Joined: 06 Oct 2023
Posts: 1
PostPosted: Sat 07 Oct '23 13:02    Post subject: october -any update? Reply with quote
Is there any update on this. Why do i get the QUIC support on nginx, litespeed, caddy, azure and aws resources already but not for apache. Is there a roadmap?
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7406
Location: EU, Germany, Next to Hamburg
PostPosted: Mon 09 Oct '23 11:27    Post subject: Re: october -any update? Reply with quote
cforce wrote:
Is there any update on this. Why do i get the QUIC support on nginx, litespeed, caddy, azure and aws resources already but not for apache. Is there a roadmap?


no, there is no roadmap yet for httpd.
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7406
Location: EU, Germany, Next to Hamburg
PostPosted: Fri 20 Oct '23 10:44    Post subject: Reply with quote
HTTP 3.0 first draft was published in 2020. It is the proposed successor to HTTP 2.0. It uses QUIC instead of TCP for the underlying transport protocol, thus removing HOL blocking in the transport layer. QUIC is based on UDP.

httpd Apache so far uses only TCP.
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jfha73



Joined: 18 Aug 2011
Posts: 63
Location: New York
PostPosted: Sun 13 Apr '25 15:53    Post subject: Reply with quote
Here we are almost 3 years later after my first post about HTTP3 in httpd, the last thing I saw was that openssl is now compliance with QUIC, but as for httpd, nothing has been done yet.
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7406
Location: EU, Germany, Next to Hamburg
PostPosted: Tue 22 Apr '25 9:04    Post subject: Reply with quote
You may read https://lists.apache.org/thread/72j2oxvzdy1pvk9zfxd2mljs0kx5vto8

On the other hand there is https://apisix.apache.org/docs/apisix/http3/
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