>* Am 13.04.2016 um 07:51 schrieb Mogens Kjaer <mk at lemo.dk <https://lists.centos.org/mailman/listinfo/centos>>: *> >* Hello, *> >* I run a CentOS 6 machine with samba, serving approx. 150 Windows users with samba running as an NT-like PDC. *> >* After today's samba update (samba-3.6.23-30.el6_7.x86_64 etc.), nobody can log in. *> >* They all get the "Trust relationship failed" error message. *> >* If I downgrade: *> >* yum downgrade samba-common samba-winbind samba-winbind-clients samba-client samba samba-doc samba-domainjoin-gui libsmbclient *> >* - the problem goes away. *> >* What am I missing? *> >* Mogens *> >* -- *>* Mogens Kjaer, mk at lemo.dk <https://lists.centos.org/mailman/listinfo/centos> *>* http://www.lemo.dk <http://www.lemo.dk/> *>* _______________________________________________ *>* CentOS mailing list *>* CentOS at centos.org <https://lists.centos.org/mailman/listinfo/centos> *>* https://lists.centos.org/mailman/listinfo/centos <https://lists.centos.org/mailman/listinfo/centos>* Adding the following to the global section of smb.conf worked for me: client signing = required server signing = auto But... The Community forum at ClearOS has a sticky thread on this topic. The thread link is at https://www.clearos.com/clearfoundation/social/community/badlock-information-hub Thread info: - Bug - Badlock information hub - This thread is to track and register information in regards to the Badlock bug which is scheduled to release on April 12th 2016 at around 1700 UTC. As soon as we have a fix will will need extensive and concentrated testing. More details will follow.