I followed the Perfect Server Debian Squeeze (ISPConfig3/Apache/Dovecot) installation, then set an email address for rkhunter to send report emails to. I only installed this server yesterday from scratch. Is it normal that I get emails already telling me; Please inspect this machine, because it may be infected. I've checked through this document: http://beginlinux.com/sec_train_m/sec_tools/1002-hunting-for-rootkits and I have run rkhunter -c, which does find warnings. How can I silence warnings that aren't things I need to worry about (e.g. Checking loaded kernel modules [ Warning ] Checking if SSH root access is allowed [ Warning ] Checking for hidden files and directories [ Warning ] )? I'd rather like to tune-out of things unless they need my attention and I want to be reassured my system is clean.