While making some sanity checks, I noticed that ... has no vendor entry ... # curl -s -O "http://mirror.centos.org/centos/6/os/x86_64/Packages/certmonger-0.77.5-2.el6.x86_64.rpm" # rpm -qpi certmonger-0.77.5-2.el6.x86_64.rpm Name : certmonger Relocations: (not relocatable) Version : 0.77.5 Vendor: (none) Release : 2.el6 Build Date: Mo 09 Mai 2016 17:09:47 CEST Install Date: (not installed) Build Host: CentOS6-Builder.centos.org Group : System Environment/Daemons Source RPM: certmonger-0.77.5-2.el6.src.rpm Size : 2588066 License: GPLv3+ Signature : RSA/SHA1, Do 12 Mai 2016 12:49:49 CEST, Key ID 0946fca2c105b9de URL : http://certmonger.fedorahosted.org Summary : Certificate status monitor and PKI enrollment client Description : Certmonger is a service which is primarily concerned with getting your system enrolled with a certificate authority (CA) and keeping it enrolled. -- LF