Mailinglist Archive: opensuse-security (465 mails)

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Re: [suse-security] Classical DOS attack on Linux
  • From: <martin@xxxxxxxxxxxxxxxxxxxxx>
  • Date: Wed, 19 Dec 2001 09:26:10 +0100 (CET)
  • Message-id: <Pine.LNX.4.33.0112190919180.1860-100000@xxxxxxxxxxxxxxxxxxxxx>


On Wed, 19 Dec 2001, Daniel T. Chen wrote:

> Not necessarily. I agree that it's dismal, but all good system
> administrators set appropriate ulimits for their users. See the ulimit
> manpage for your shell(s). Parameters to pay particular attention to are
> max open file descriptors, cpu seconds used, and processes available to
> the user. (This is after a fleeting test here, so I've obviously not
> caught everything.)
>

I am using the "default" values:
open files 1024
pipe size (512 bytes) 8
max user processes 4095
memory, stack and cpu time are unlimited

It's obvious that these values don't work.
What are "appropriate ulimits" here?

Best reegards
MF




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