Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

alt-svc protocol not support "h3" #9515

Cering opened this issue Sep 16, 2022 · 1 comment

alt-svc protocol not support "h3" #9515

Cering opened this issue Sep 16, 2022 · 1 comment
HTTP HTTP/3 h3 or quic related


Copy link

Cering commented Sep 16, 2022

I did this

curl -v -o /dev/null --alt-svc ./altsvc.txt ""

I expected the following

  • when curl parsing alt-svc header, the log shows that Unknown alt-svc protocol "h3", skipping
< HTTP/3 200
< date: Fri, 16 Sep 2022 10:19:13 GMT
< expires: -1
< cache-control: private, max-age=0
< content-type: text/html; charset=ISO-8859-1
< p3p: CP="This is not a P3P policy! See for more info."
< server: gws
< x-xss-protection: 0
< x-frame-options: SAMEORIGIN
< set-cookie: 1P_JAR=2022-09-16-10; expires=Sun, 16-Oct-2022 10:19:13 GMT; path=/;; Secure
< set-cookie: AEC=AakniGMc-ZdeohAySBgKAjYlOvo5pNY9dzD8EIcJZ-9EOeHDSpnxocFiKgs; expires=Wed, 15-Mar-2023 10:19:13 GMT; path=/;; Secure; HttpOnly; SameSite=lax
< set-cookie: NID=511=MtDg8vS6WMcbLheQpqz2F039f1B9KfbGNos52NvUFKp6C3xhhpucrPpFkQ9YX0x7cakBYfy89KGulFXsK9DEKCgHmb8NPXjN3RVyF3v2tXmzYNGzKAck-gqYkGfFx-4hNTnxPoyvLRAfrloZ2d2UhQmLN9wVEcAGuyv1YPoEbFY; expires=Sat, 18-Mar-2023 10:19:13 GMT; path=/;; HttpOnly
* Unknown alt-svc protocol "h3", skipping.
* Added alt-svc: over h3-29
* Unknown alt-svc protocol "h3-Q050", skipping.
* Unknown alt-svc protocol "h3-Q046", skipping.
* Unknown alt-svc protocol "h3-Q043", skipping.
* Unknown alt-svc protocol "quic", skipping.
< alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
< accept-ranges: none
< vary: Accept-Encoding

curl/libcurl version

curl 7.83.0 (x86_64-pc-linux-gnu) libcurl/7.83.0 BoringSSL zlib/1.2.7 brotli/1.0.9 nghttp2/1.41.0 quiche/0.12.0
Release-Date: 2022-04-27
Protocols: dict file ftp ftps gopher gophers http https imap imaps mqtt pop3 pop3s rtsp smb smbs smtp smtps telnet tftp
Features: alt-svc AsynchDNS brotli Debug HSTS HTTP2 HTTP3 HTTPS-proxy IPv6 Largefile libz NTLM NTLM_WB SSL TrackMemory UnixSockets

operating system

Linux mylinux 3.10.0-957.el7.x86_64 #1 SMP Thu Nov 8 23:39:32 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
@bagder bagder added HTTP HTTP/3 h3 or quic related labels Sep 16, 2022
Copy link

bagder commented Sep 16, 2022

That code is clearly lagging behind. I see no reason why this shouldn't just use h3 always.

bagder added a commit that referenced this issue Sep 16, 2022
Since the official and real version has been out for a while now and servers
are deployed out there using it, there is no point in sticking to h3-29.

Reported-by: ウさん
Fixes #9515
@bagder bagder closed this as completed in 1bbffa0 Sep 16, 2022
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
HTTP HTTP/3 h3 or quic related

Successfully merging a pull request may close this issue.

2 participants