Re: DOS prevention

I would pay an outside service to handle the heavy lifting...
http://www.incapsula.com/ddos-protection-plan


On Mon, Mar 18, 2013 at 2:19 PM, J. Wade Michaelis <
[email protected]> wrote:

> I have a CentOS web server that has recently been brought to a halt on two
> separate occasions.  Checking the access.log, it appears that it was a
> Denial of Service (DOS) attack (hundreds of HTTP requests in a very short
> time, all from a single IP address).
>
> I want to prevent these types of attacks from bringing the server to its
> knees.  We have a hardware firewall (SonicWall) in place, but it isn't
> quite new enough to run the firmware that allows rate-limiting.
>
> I have found a number of tutorials that show how to do this type of thing
> with IPTABLES.  Is there a better solution?
>
> Supposing I go with IPTABLES, do I need to include rules to allow FTP and
> SSH (the only other services on the server)?
>
> Would any of you be willing to assist me with this?
>
> Thanks,
> ~ j.
> [email protected]
>
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