Re: Help Please

From: Karl Levinson [x y] mvp (levinson_k@excite.com)
Date: 11/25/02 

From: "Karl Levinson [x y] mvp" <levinson_k@excite.com>
Date: Mon, 25 Nov 2002 10:37:29 -0500

I agree. Check your IIS logs to see which web page called that particular
graphic to download, and see if those IP addresses were surfing other web
pages on your site before they downloaded the graphics. Often the IIS logs
will show you the previous URL that the person was browsing before the image
was downloaded.

"Tom Pepper Willett" <tompepper@mvps.org> wrote in message
news:eqPvOIJlCHA.1384@tkmsftngp12...
> Could also be that somebody or somebodies are linking directly to your
> graphics on other web sites.
>
> --
> -----
> Tom Pepper Willett
> Microsoft MVP - FrontPage
> -----
> "Anthony" <anthony_nospam@hkgolden.com> wrote in message
> news:eXnhqDJlCHA.1736@tkmsftngp11...
> : Hi
> :
> : I am running a web site with lots of pictures and graphics. This web
site
> : has been running on W2K IIS5 for 2 years and is becoming more and more
> : popular. However, last night my ISP told me that there was abnormal
> traffic
> : to my web. The normal traffic was 15Mb during peak hours but yesterday
it
> : was as high as 50Mb. In order to protect other web sites on the same
LAN,
> my
> : ISP has stopped my web until I have found a fix to the problem.
> :
> : After reviewing the IIS log for a 10-min time interval, there were more
> than
> : 10,000 accesses to 10 of the pictures on my web. The size of each pic is
> : around 300k and total traffic generated during this 10 min was already
> : exceeding 300MB!
> :
> : The traffic was generated by more than 500 different IP addresses so I
was
> : suspected it was done by some PCs infected with Trojan Horse or virus. I
> : already have IISLOCK and firewall installed but they cannot distinguish
> any
> : irregularities on this pattern. Whenever I switched on the server again,
> : these IPs will keep attacking my web site constantly and consume all the
> : bandwidth.
> :
> : What can I do???? Are there any ways other than informing the Police?
> : Appreciate any suggestions.
> :
> : regards
> :
> : Anthony
> :
> :
> :
>
>

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