Quote:
Originally posted by Mr.Fiction
When we've been DOS'd, the number of processes goes sky high. With other attacks, where they try to overload PERL or PHP scripts or simple stuff like causing a bunch of MySQL queries all at once, the server load and sometimes memory goes high as well. I'm sure there are ways to overload the server without doing that, but every attack that I can remember has been pretty obvious by looking at TOP.
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Edit: I take that back, there was this guy who was DOS attacking our DNS server and we couldn't figure out what the hell was going on for a while.