Am 24.05.2015 um 16:54 schrieb Tim Semeijn: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > It looks like the culprit is IPv6 according to a post on the CentOS > Mirrors mailing list > (http://lists.centos.org/pipermail/centos-mirror/2015-May/008847.html): Bingo. [root at msg ~]# curl -6 "http://mirrorlist.centos.org/?release=6&arch=x86_64&repo=os"; echo $? 0 [root at msg ~]# curl -4 "http://mirrorlist.centos.org/?release=6&arch=x86_64&repo=os"; echo $? http://ftp.wrz.de/pub/CentOS/6.6/os/x86_64/ ftp://mirror.fraunhofer.de/centos.org/6.6/os/x86_64/ http://mirror.eu.oneandone.net/linux/distributions/centos/6.6/os/x86_64/ http://centos.datente.com/media/6.6/os/x86_64/ http://mirror.skylink-datacenter.de/centos/6.6/os/x86_64/ http://mirror.softaculous.com/centos/6.6/os/x86_64/ http://mirror.netcologne.de/centos/6.6/os/x86_64/ http://ftp.fau.de/centos/6.6/os/x86_64/ http://mirror.23media.de/centos/6.6/os/x86_64/ http://mirror.jgotteswinter.com/centos/6.6/os/x86_64/ 0 Alexander