Re: avoid Denial of Service

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On Thu, 2009-10-08 at 19:40 +0530, Gaurav Kumar wrote:

> Not sure what exactly you are looking for.
> 
> Anyways, some common practice are request for API key, username / password
> tokens before providing access to a service.
> 
> Thanks,
> 
> Gaurav Kumar
> 
> 
> On Thu, Oct 8, 2009 at 7:06 PM, Gerardo Benitez <gerardobenitez@xxxxxxxxx>wrote:
> 
> > Hi everybody!
> >
> >
> > I want to get some tips about how avoid a attack of Denial of service.  May
> > be somebody can about your experience with Php o some configuration of
> > apache, o other software that help in these case.
> >
> >
> > Thanks in advance.
> >
> >
> > --
> > Gerardo Benitez
> >


If you are using Apache there are a bunch of different DoS modules that
you can use:

http://www.google.co.uk/search?q=apache
+dos&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Also, if you are in full control of the server, you may be able to
configure firewalls for this sort of thing.

It gets more complex when you're attacked with a DDoS (Distributed
Denial of Service) as there's no real hard-and-fast way to prevent them,
as they could genuinely be legitimate requests to your server and not
attacks. As a distributed attack comes from many sources, you can't
reliably differentiate the valid requests from the malicious ones.

Thanks,
Ash
http://www.ashleysheridan.co.uk



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