On Fri, 2 Sep 2016, Toralf Lund wrote: > Hi, > > I'm trying to connect my CentOS 6.8 laptop to the wireless net at work, which > is secured with WPA2 and AES. I've done this successfully in the past using > NetworkManager, but a new safety feature was recently introduced: A CA > certificate is required. After this, I've not been able to connect. I have a > DER format file, whose path I've entered in You've definitely provided the correct CA certificate, and not accidentally provided the certificate itself? jh