RE: Weird Traffic

["Jackson, Ben (ITD)" <Ben.Jackson () state ma us>]

On my personal web server, I have been seeing badly configured spiders
from China "indexing" my site. These spiderds seem to choke on certain
URLs and cause them to keep appending data to the URL. I seem to notice
them afterwards after I see 2000+ hits on my site in a single day.

I have tried to stop them, but they don't seem to understand "403".

I've seen two IPs doing this:

202.108.23.172
220.181.38.82

                                ~Ben

--
Ben Jackson, GCIA - Sr. Security Engineer - Commonwealth of
Massachusetts
ben.jackson () state ma us - +1-617-626-4575 (v) - +1-617-626-4459 (f)
"Security software is no replacement for secure software"

-----Original Message-----
From: incidents-return-9427-ben.jackson=state.ma.us () securityfocus com
[mailto:incidents-return-9427-ben.jackson=state.ma.us () securityfocus com]
On Behalf Of Jonathan Adams
Sent: Tuesday, May 27, 2008 7:59 AM
To: incidents () securityfocus com
Subject: Weird Traffic

All,

  I have a leased server I use to host some websites and for the past
week I have been getting traffic warnings. The server has been
transferring > 1GB of data per day, which is unusually high, especially
since I moved my mail to Google Apps. I have noticed a ridiculous amount
of attempted proxying attemptes in my logs, but I do not have mod proxy
turned on. I suspect my server is on some list.  I firewalled off a
large number of subnets from China and my traffic dropped for a few
days, then this morning, 2735MB transferred in 24 hrs.

  As of right now, I am planning to blackhole all China traffic, since
thats where most of this is comming from, along with the occasional
traffic from France and other places in Eur. Is this common?  If so are
there any other remedies?

-- 

"Strength does not come from physical capacity. It comes from an
indomitable will." - Mohandas Gandhi