[Bug 965371] Re: HTTPS requests fail on some sites on Ubuntu 12.04

Dave Vree 965371 at bugs.launchpad.net
Thu May 3 13:15:49 UTC 2012

Upon closer examination of the change log of libssl, the update we all
received fixed a different issue and was not intended to fix this issue.
The issue that was fixed is here:


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  HTTPS requests fail on some sites on Ubuntu 12.04

Status in OpenSSL cryptography and SSL/TLS toolkit:
Status in “openssl” package in Ubuntu:
Status in “openssl” source package in Precise:
Status in “openssl” package in Debian:
  Fix Released

Bug description:
  This week, HTTPS connections from a Python script I wrote started
  giving me this error:

  urllib2.URLError: <urlopen error [Errno 8] _ssl.c:497: EOF occurred in
  violation of protocol>

  This used to work up until some three days ago and still works on
  other Ubuntu versions, but not in other Python versions on Precise. I
  was suspecting this was a bug in Python, but a guy on AskUbuntu (
  -to-some-sites-fail-on-ubuntu-12-04-without-proxy/116059#116059 )
  found out this happens using the openssl command line tool too:

  $ openssl s_client -connect www.mediafire.com:443

  But succeeds if forcing TLS 1 with the -tls1 argument.

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