The problem ... 

• One day on a server near you:

$ ls -l /etc/apache
-rw-r--r--  1 root  root  8753 Oct  5 10:15 httpd.conf
-rw-r--r--  1 root  root  5154 Nov  9  2004 httpd.conf-2004-11-09
-rw-r--r--  1 root  root  5259 Jun 22  2004 httpd.conf-2004-06-22
-rw-r--r--  1 root  root  6503 Jul 16  2004 httpd.conf.2004-07-16
-rw-r--r--  1 root  root  4937 Jun 16  2004 httpd.conf.bak
-rw-r--r--  1 root  root  7348 Aug 17 00:35 httpd.conf.dtbackup
-rw-r--r--  1 root  root  5259 Jun 22  2004 httpd.conf.new
-rw-r--r--  1 root  root  5236 Jun 22  2004 httpd.conf.old-dt-040622
-rw-r--r--  1 root  root  4983 May 12  2004 httpd.conf.pre-move
-rw-r--r--  1 root  root  5135 Jun 16  2004 httpd.conf.sav