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[curl:bugs] #1319 Bug: "Unsupported SSL protocol version" Error

From: Quanah Gibson-Mount <quanah_at_users.sf.net>
Date: Thu, 01 May 2014 20:25:11 +0000

This still appears to be broken in some cases with 7.36.0:

/opt/zimbra/curl/bin/curl --version
curl 7.36.0 (x86_64-unknown-linux-gnu) libcurl/7.36.0 OpenSSL/1.0.1f zlib/1.2.3
Protocols: dict file ftp ftps gopher http https imap imaps pop3 pop3s rtsp smtp smtps telnet tftp
Features: GSS-Negotiate IPv6 Largefile NTLM NTLM_WB SSL libz TLS-SRP

/opt/zimbra/curl/bin/curl -vvv --cacert /opt/zimbra/conf/ca/ca.pem https://mail.company.com:7071
* Rebuilt URL to: https://mail.company.com:7071/
* Hostname was NOT found in DNS cache
* Trying 1.2.3.4...
* Connected to mail.company.com (1.2.3.4) port 7071 (#0)
* successfully set certificate verify locations:
* CAfile: /opt/zimbra/conf/ca/ca.pem
CApath: none
* SSLv3, TLS handshake, Client hello (1):
* Unknown SSL protocol error in connection to mail.company.com:7071
* Closing connection 0
curl: (35) Unknown SSL protocol error in connection to mail.company.com:7071

This worked fine with curl/libcurl 7.31.0

---
** [bugs:#1319] Bug: "Unsupported SSL protocol version" Error**
**Status:** closed-fixed
**Created:** Thu Jan 02, 2014 07:44 PM UTC by Mohammad Hossekh Sekhavat
**Last Updated:** Tue Mar 18, 2014 08:37 PM UTC
**Owner:** Daniel Stenberg
Since I have upgraded from version 7.33 to 7.34, I am getting "Unsupported SSL protocol version" error with SSLv3. 
In order to reproduce the problem, run the command:
curl -v -3 -g 'https://aur.archlinux.org/'
Following output error will be showin in my machine:
* Hostname was NOT found in DNS cache
* Adding handle: conn: 0x237e040
* Adding handle: send: 0
* Adding handle: recv: 0
* Curl_addHandleToPipeline: length: 1
* - Conn 0 (0x237e040) send_pipe: 1, recv_pipe: 0
*   Trying 78.46.78.247...
*   Trying 2a01:4f8:120:34c2::2...
* Immediate connect fail for 2a01:4f8:120:34c2::2: Network is unreachable
* Connected to aur.archlinux.org (78.46.78.247) port 443 (#0)
* Unsupported SSL protocol version
* Closing connection 0
curl: (35) Unsupported SSL protocol version
My System Info:
$curl -V
curl 7.34.0 (x86_64-unknown-linux-gnu) libcurl/7.34.0 OpenSSL/1.0.1e zlib/1.2.8 libssh2/1.4.3
Protocols: dict file ftp ftps gopher http https imap imaps pop3 pop3s rtsp scp sftp smtp smtps telnet tftp 
Features: AsynchDNS IPv6 Largefile NTLM NTLM_WB SSL libz TLS-SRP
$uname -a 
Linux mohammad-tp 3.12.6-1-ARCH #1 SMP PREEMPT Fri Dec 20 19:39:00 CET 2013 x86_64 GNU/Linux
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Received on 2014-05-01

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