Help my server is doing a DoS on google

Peter plp-ysDPMY98cNQDDBjDh4tngg at public.gmane.org
Fri Feb 10 23:38:37 UTC 2006



On Fri, 10 Feb 2006, Neil Watson wrote:

> On Fri, Feb 10, 2006 at 05:59:11PM -0500, Robert F. Kennedy wrote:
>> My RH9 updated (now) server running Apache, Postfix, Mailman (older
>> version), Mambo(older version) (PHP & MySQL), and DNS is sending out hits 
>> to
>> www.google.com at a crazy rate. When I do a Top command there are many Perl
>> processes running under user Apache. I've been notified by a group that
>> reports abuse that it is an irc bot let in through a file called xx.txt.
>> I've been searching for solutions to this problem but so far all I've 
>> gotten
>> is that I must update Mambo. I'll do that but is there any other way in the
>> meantime to kill the source of these DOS attacks coming from my server?
>
> First, unplug it from the network.  If your server has been compromised
> the only safe procedure is to the format the drive and reinstall the OS.

Actually he could block outgoing packets to google in the firewall as a 
stopgap measure for now imho. There is no valid reason for a normal 
server to access google at all, barring fancy aggregated search scripts.

Peter
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