[clug] [OT] spam-bot killer
kim.holburn at anu.edu.au
Tue Apr 13 22:18:25 GMT 2004
On 2004 Apr 13, , at 11:26 PM, John Fletcher wrote:
> What is the effect of not using mailto links, but just printing an
> address in normal text on your website? Do spambots look for that
> -----Original Message-----
> From: linux-bounces+fletchweb=optusnet.com.au at lists.samba.org
> [mailto:linux-bounces+fletchweb=optusnet.com.au at lists.samba.org] On
> Of Kim Holburn
> Sent: Tuesday, 13 April 2004 11:44 AM
> To: Linux user group
> Subject: Re: [clug] [OT] spam-bot killer
> I used a perl cgi script called wpoison which did the same sort of
> thing. I'm not sure how useful it is. If a spambot gets stuck forever
> on a page, which happened occasionally then the operator would ban the
> page. Better is a robots.txt enforcer. Once an IP has read robots.txt
> it is banned if it goes where robots.txt said not to. Most spambots
> read robots.txt to find where you don't want them to go, then go there.
> Simplest of all is to use the html code for "@" which is @ AFAIR.
> There was a study done a year ago or so that showed that spambots
> never decode even the simplest email obfuscation on web pages.
> On 2004 Apr 8, , at 4:43 PM, Simon Burton wrote:
>> On Thu, 08 Apr 2004 07:18:26 +1000
>> Simon Haddon <simon at sibern.com.au> wrote:
>>> Simon Burton wrote:
>>>> Has anybody seen this before:
>>>> """Anti-Spam Notice:
>>>> This page was generated to trap SPAM bots in an infinite loop. The
>>>> BOT will enter using the same link you used, and record every email
>>>> address linked on this page. Then it will follow the link at the
>>>> bottom in search of more email addresses. The link at the bottom is
>>>> a randomly generated URL that links back to this script. After
>>>> logging thousands of fake email addresses and filling the hosts
>>>> computer with GIGS of useless information, the BOT
>>> Great. So does this mean that it will fill the hard disks of
>>> people as most (if not all) spam has spoofed headers or has
>>> from some unsuspecting sole. Doesn't sound too good to me except to
>>> chew more bandwidth usage and kill off other peoples machines. True
>>> people should not be running open relays and have their virus
>>> up to date...... but.... in reality... you get what I mean
>> No actually, i have no idea what you mean...
>> Are you saying that innocent people would do a web spider on one of
>> these pages?
>> Simon Burton, B.Sc.
>> Licensed PO Box 8066
>> ANU Canberra 2601
>> Ph. 61 02 6249 6940
> Kim Holburn
> IT Manager, Canberra Research Laboratory
> National Information and Communication Technology Australia
> Ph: +61 2 61258620 M: +61 0417820641
> Email: kim.holburn at anu.edu.au - PGP Public Key on request
> Life is complex - It has real and imaginary parts.
> Andrea Leistra (rec.arts.sf.written.Robert-jordan)
IT Manager, Canberra Research Laboratory
National Information and Communication Technology Australia
Ph: +61 2 61258620 M: +61 0417820641
Email: kim.holburn at anu.edu.au - PGP Public Key on request
Life is complex - It has real and imaginary parts.
Andrea Leistra (rec.arts.sf.written.Robert-jordan)
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