Hi Joachim, get the same with firefox-56.0-5.fc26.x86_64 kind regards joerg -----Ursprüngliche Mitteilung----- Von: Joachim Backes <joachim.backes(a)rhrk.uni-kl.de&gt; An: Fedora Test <test(a)lists.fedoraproject.org&gt; Verschickt: Di, 31. Okt 2017 10:18 Betreff: Security problem with firefox-57.0-0.8.fc26.x86_64 I'm having a problem with thw wikipedia.de website: If I try to open it, I get some warning issue: ----------------------------------------------------------------------------- Your connection is not secure The website tried to negotiate an inadequate level of security. wiki2.wikimedia.de uses security technology that is outdated and vulnerable to attack. An attacker could easily reveal information which you thought to be safe. The website administrator will need to fix the server first before you can visit the site. Error code: NS_ERROR_NET_INADEQUATE_SECURITY ----------------------------------------------------------------------------- Anybody sees this too for the German wikipedia website wikipedia.de? Kind regards Joachim Backes Fedora release 26 (Twenty Six) Kernel-4.13.10-200.fc26.x86_64 Joachim Backes <joachim.backes(a)rhrk.uni-kl.de&gt; https://www-user.rhrk.uni-kl.de/~backes/_________________________________... mailing list -- test(a)lists.fedoraproject.orgTo unsubscribe send an email to test-leave(a)lists.fedoraproject.org

On 10/31/2017 04:17 AM, Joachim Backes wrote: The site uses RC4 in its cipher offering. https://www.ssllabs.com/ssltest/analyze.html?d=wiki2.wikimedia.de&s=4... You should contact the site admin for the German wikipedia site and get them to remove the RC4 cipher.