curl / Mailing Lists / curl-users / Single Mail
Buy commercial curl support from WolfSSL. We help you work out your issues, debug your libcurl applications, use the API, port to new platforms, add new features and more. With a team lead by the curl founder himself.

Re: libcurl appconnect_time is greater than starttransfer when using HTTPS proxy

From: Yongkang Huang via curl-users <curl-users_at_cool.haxx.se>
Date: Thu, 10 Jun 2021 16:33:01 +0000

Thanks for reply so quickly! Hereís some information:

curl --version
curl 7.61.1 (x86_64-redhat-linux-gnu) libcurl/7.61.1 OpenSSL/1.1.1g zlib/1.2.11 brotli/1.0.6 libidn2/2.2.0 libpsl/0.20.2 (+libidn2/2.2.0) libssh/0.9.4/openssl/zlib nghttp2/1.33.0
Release-Date: 2018-09-05
Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp
Features: AsynchDNS IDN IPv6 Largefile GSS-API Kerberos SPNEGO NTLM NTLM_WB SSL libz brotli TLS-SRP HTTP2 UnixSockets HTTPS-proxy PSL Metalink

From: Daniel Stenberg <daniel_at_haxx.se>
Date: Thursday, June 10, 2021 at 12:05 AM
To: Yongkang Huang via curl-users <curl-users_at_cool.haxx.se>
Cc: Yongkang Huang <ykang_at_fb.com>
Subject: Re: libcurl appconnect_time is greater than starttransfer when using HTTPS proxy
On Thu, 10 Jun 2021, Yongkang Huang via curl-users wrote:

> Iím trying to break down the latency when connect through HTTPS proxy. One
> interesting found is the appconnect_time is greater than time_starttransfer:

Which curl version, which TLS library on what plaform?

I tried current git master with OpenSSL on Linux and it doesn't seem to
reproduce.

--
  / daniel.haxx.se
  | Commercial curl support up to 24x7 is available!
  | Private help, bug fixes, support, ports, new features
  | https://www.wolfssl.com/contact/<https://www.wolfssl.com/contact/>


-----------------------------------------------------------
Unsubscribe: https://cool.haxx.se/list/listinfo/curl-users
Etiquette: https://curl.haxx.se/mail/etiquette.html
Received on 2021-06-10