Index: /server/fedora/config/etc/httpd/conf.d/vhosts-common-ssl-cert.conf
===================================================================
--- /server/fedora/config/etc/httpd/conf.d/vhosts-common-ssl-cert.conf	(revision 407)
+++ /server/fedora/config/etc/httpd/conf.d/vhosts-common-ssl-cert.conf	(revision 408)
@@ -2,3 +2,3 @@
 # certificate auth.
 
-SSLVerifyClient require
+SSLVerifyClient optional