Curiously, I can't reproduce that. This is what I get:
$ openssl s_client -connect localhost:631
<snip>
SSL-Session:
Protocol : TLSv1.2
Cipher : AES256-SHA256
<snip>
Please attach the output of "apt-cache policy libssl1.0.0" and your
/etc/cups/cupsd.conf
Thanks!
** Information type changed from Private Security to Public Security
** Changed in: cups (Ubuntu)
Status: New => Incomplete
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Packages, which is subscribed to cups in Ubuntu.
https://bugs.launchpad.net/bugs/1526999
Title:
cups is intolerant to TLS 1.2
Status in cups package in Ubuntu:
Incomplete
Bug description:
CUPS 1.7.2-0ubuntu1.7 on Ubuntu Trusty has a security problem where
connections using TLS 1.2 will fail, forcing a TLS 1.1 retry
=== How to reproduce ====
1. Connect to the cups server with HTTPS
2. Check the security info
or
1. openssl s_client -connect localhost:631
2. See the error
3. openssl s_client -tls1_1 -connect localhost:631
4. See no error
TLS 1.1 is not the newest protocol version, and therefore this can be
considered a security issue.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1526999/+subscriptions
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