Mysterious reboot

[Tamouh H.]

> 
> Well, the server is an email/web server primarily.  Not a 
> huge load, but I want to be hardened against DOS 
> attacks...would these help?
> 

If you are looking to harden your server, this might be helpful. Though a bit outdates, it still holds true for most part:

http://www.dal.net/admin/vote/seceval.php3

p.s. why the topic named 'mysterious reboots' if we're talking about hardening against DoS!!