[ Thanks to Jeff
Garzik for this link. ]
“If you manage a public-facing Internet server, then you
probably know that your server is constantly probed and attacked by
rootkits floating around the Internet. Massively distributed
botnets scan thousands of servers per second for vulnerable
software. Having a cluster of public-facing Internet web servers,
my servers see brute force ssh and web server attacks daily. And I
am a tiny operation.“For ssh dictionary attacks, DenyHosts can be a big help…”