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b7e769dc87
curl/docs/libcurl
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Jay Satiro b7e769dc87 vtls: stop offering alpn http/1.1 for http2-prior-knowledge 
- For HTTPS if http2-prior-knowledge is set then only offer h2 (HTTP/2)
  alpn to the server for protocol negotiation.

Prior to this change both HTTP/2 ("h2") and HTTP/1.1 ("http/1.1") were
offered for ALPN when http2-prior-knowledge was set.

CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE (tool: --http2-prior-knowledge) is
meant to send non-TLS HTTP requests HTTP/2 when it is known the server
supports them. However when HTTPS is used then it attempts to first
negotiate the connection with ALPN. In that case the user likely does
not want to offer http/1.1 to the server as an acceptable protocol.

Reported-by: kit-ty-kate@users.noreply.github.com

Fixes https://github.com/curl/curl/issues/9963
Closes https://github.com/curl/curl/pull/14266
2024-08-04 17:59:04 -04:00
..
opts vtls: stop offering alpn http/1.1 for http2-prior-knowledge 2024-08-04 17:59:04 -04:00
.gitignore gitignore: the generated libcurl-symbols.md 2024-01-25 16:34:06 +01:00
ABI.md docs: use present tense 2024-02-27 09:47:21 +01:00
CMakeLists.txt cmake: tidy-ups 2024-08-03 20:49:15 +02:00
curl_easy_cleanup.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_duphandle.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_escape.md curl_easy_escape.md: move historic details to HISTORY 2024-07-23 11:24:19 +02:00
curl_easy_getinfo.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_header.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_init.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_nextheader.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_option_by_id.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_option_by_name.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_option_next.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_pause.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_perform.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_recv.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_reset.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_send.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_setopt.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_strerror.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_unescape.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_easy_upkeep.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_escape.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_formadd.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_formfree.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_formget.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_free.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_getdate.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_getenv.md tidy-up: OS names 2024-08-04 19:17:45 +02:00
curl_global_cleanup.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_global_init_mem.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_global_init.md tidy-up: OS names 2024-08-04 19:17:45 +02:00
curl_global_sslset.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_global_trace.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_addpart.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_data_cb.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_data.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_encoder.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_filedata.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_filename.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_free.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_headers.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_init.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_name.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_subparts.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mime_type.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_mprintf.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_add_handle.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_assign.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_cleanup.md docs/libcurl: add to cleanup docs that their inputs go invalid 2024-07-23 11:18:46 +02:00
curl_multi_fdset.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_get_handles.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_info_read.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_init.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_perform.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_poll.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_remove_handle.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_setopt.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_socket_action.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_socket_all.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_socket.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_strerror.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_timeout.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_wait.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_multi_waitfds.md misc: cleanup after removing years from copyright 2024-07-30 14:11:48 +02:00
curl_multi_wakeup.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_pushheader_byname.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_pushheader_bynum.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_share_cleanup.md docs/libcurl: add to cleanup docs that their inputs go invalid 2024-07-23 11:18:46 +02:00
curl_share_init.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_share_setopt.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_share_strerror.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_slist_append.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_slist_free_all.md docs/libcurl: add to cleanup docs that their inputs go invalid 2024-07-23 11:18:46 +02:00
curl_strequal.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_strnequal.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_unescape.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_url_cleanup.md docs/libcurl: add to cleanup docs that their inputs go invalid 2024-07-23 11:18:46 +02:00
curl_url_dup.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_url_get.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_url_set.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_url_strerror.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_url.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_version_info.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_version.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_ws_meta.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_ws_recv.md curldown: fixups 2024-07-19 17:03:25 +02:00
curl_ws_send.md curldown: fixups 2024-07-19 17:03:25 +02:00
libcurl-easy.md curldown: make 'added-in:' a mandatory header field 2024-07-18 18:04:09 +02:00
libcurl-env-dbg.md tidy-up: OS names 2024-08-04 19:17:45 +02:00
libcurl-env.md curldown: make 'added-in:' a mandatory header field 2024-07-18 18:04:09 +02:00
libcurl-errors.md curldown: make 'added-in:' a mandatory header field 2024-07-18 18:04:09 +02:00
libcurl-multi.md curldown: make 'added-in:' a mandatory header field 2024-07-18 18:04:09 +02:00
libcurl-security.md curldown: make 'added-in:' a mandatory header field 2024-07-18 18:04:09 +02:00
libcurl-share.md curldown: make 'added-in:' a mandatory header field 2024-07-18 18:04:09 +02:00
libcurl-thread.md tidy-up: URL updates 2024-07-30 21:27:12 +02:00
libcurl-tutorial.md tidy-up: OS names 2024-08-04 19:17:45 +02:00
libcurl-url.md curldown: make 'added-in:' a mandatory header field 2024-07-18 18:04:09 +02:00
libcurl-ws.md curldown: make 'added-in:' a mandatory header field 2024-07-18 18:04:09 +02:00
libcurl.m4 misc: Fix typos in docs and lib 2024-03-01 09:59:48 +01:00
libcurl.md tidy-up: OS names 2024-08-04 19:17:45 +02:00
Makefile.am docs: dist curl*.1 and install without perl 2024-02-20 10:35:13 +01:00
Makefile.inc lib: add curl_multi_waitfds 2024-04-09 16:53:40 +02:00
mksymbolsmanpage.pl curldown: make 'added-in:' a mandatory header field 2024-07-18 18:04:09 +02:00
symbols-in-versions tcpkeepalive: add CURLOPT_TCP_KEEPCNT and --keepalive-cnt 2024-06-12 09:31:17 +02:00
symbols.pl docs: remove use of the word 'very' 2023-09-07 22:52:07 +02:00