Re: Denial of service attack

[Hillary Corney <hjc@consultants.u-net.com>]

******    message to minivend-users from Hillary Corney <hjc@consultants.u-net.com>     ******

This sort of Robot is a problem and it is sloppy programming. Mail them 
and lock them out until they have learnt to write a proper search robot.

>******    message to minivend-users from "Brian T. Allen" 
>><brian@purenetfx.com     ******
>
>Hey All,
>
>    I have been getting the same thing from SOL, and I don't appreciate it.
>The just don't play by the rules. They aren't playing with the other
>children.  Maybe if 3,000 minivend users all sent them an email, and all of
>their friends...
>
>    They hit one of my cgi scripts 400 times in a row, every 3 seconds.  I
>don't know of a solution.  You don't want to deny them all-together, it is
>nice to be listed in directories and search engines, but not at that price.
>
>    Here is the one that hit me:
>spider-tq054.proxy.aol.com
>
>Good Luck,
>Brian
>brian@purenetfx.com
>
>> ******    message to minivend-users from "F.M. Taylor"
><root@syrinx.jeffnet.org>     ******
>>
>> On Tue, 13 Apr 1999, kenshin wrote:
>>
>> > Subject: Denial of service attack
>> >
>> > ******    message to minivend-users from "kenshin"
><kenshin@planetanime.com>     ******
>> >
>> > Hello everyone, we are currently having a problem with a type of denial
>of
>> > service attack.  Apparently someone has been hitting our site with a
>> > malicious robot (it doesn't check our robots.txt file) and our ISP has
>been
>> > shutting down our site b/c we have been using over 90% of the CPU time
>on
>> > our server.  I've set RobotLimit to 3 but I don't have ipfwadm to
>lockout
>> > the offender.  Is this something i can run and install as a user (not as
>> > root) and if so where do i get it?  Is there something else i can do?
>Has
>> > anyone else run into a similar problem yet?
>> >
>> As a users, not much you can do that would not get you in deeper with your
>> ISP. (reverse floods, etc.)  The most effective thin I have found is to
>> Bribe the sysadmin, don't call the office and talk to the suits, they
>> don't care.  Get the guy that actually runs the machines.  Buy him beer,
>> pizza, soda, hookers, whatever.  Be cheaper than losing business.
>>
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