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: Fwd: how do I know the curl I am using has TLSv1.3 support or not ?

From: Daniel Stenberg via curl-users <curl-users_at_lists.haxx.se>
Date: Wed, 17 May 2023 13:15:06 +0200 (CEST)

On Wed, 17 May 2023, M K Saravanan via curl-users wrote:

> $ curl --version
> curl 7.81.0 (x86_64-pc-linux-gnu) libcurl/7.81.0 OpenSSL/3.0.2 zlib/1.2.11
> brotli/1.0.9 zstd/1.4.8 libidn2/2.3.2 libpsl/0.21.0 (+libidn2/2.3.2)
> libssh/0.9.6/openssl/zlib nghttp2/1.43.0 librtmp/2.3 OpenLDAP/2.5.14
> Release-Date: 2022-01-05
> Protocols: dict file ftp ftps gopher gophers http https imap imaps ldap
> ldaps mqtt pop3 pop3s rtmp rtsp scp sftp smb smbs smtp smtps telnet tftp
> Features: alt-svc AsynchDNS brotli GSS-API HSTS HTTP2 HTTPS-proxy IDN IPv6
> Kerberos Largefile libz NTLM NTLM_WB PSL SPNEGO SSL TLS-SRP UnixSockets zstd

> How do I know whether the version of curl I am using has TLSv1.3 support or
> not? What keyword to look for?

OpenSSL/3.0.2 is probably the best clue. OpenSSL version 3.0.2 has TLS 1.3
support.

Basically anything made with pride within the last years has TLS 1.3 support.
TLS-using components without it should be dropped.

-- 
  / daniel.haxx.se
  | Commercial curl support up to 24x7 is available!
  | Private help, bug fixes, support, ports, new features
  | https://curl.se/support.html
-- 
Unsubscribe: https://lists.haxx.se/mailman/listinfo/curl-users
Etiquette:   https://curl.se/mail/etiquette.html
Received on 2023-05-17