Anti Trackback and Comment Spam Methods
What is spam ?
Spam is text or URL, in one or several exemplars, neither being waited nor wished, not having, neither directly nor from its shipper, no relationship neither with the recipient nor with a possible
resource related to the recipient.
How does spam appears in blogs ?
- Through the comments' body and commentator's URL.
- Through trackbacks' excerpt and permalink's URL
What are the anti-spam methods?
- Authentication by connection
- www.captcha.net/captchas/" hreflang="en" title="Completely Automated Public Turing test to tell Computers and Humans Apart">CAPTCHA
- Black List
- Bayesian Filter
Other methods to minimize spam :
- Time Interval between submissions / Number of submissions per hour.
- DDD.
- Secure Form Mode : force page and submission to be manual.
- Rank Denial : Directs hyperlinks an intermediary server.
- Autoclose after N days: entry stops accepting comments or trackbacks.
Which data are analyzed by these methods ?
Active methods do analyze the shipper to check if it's:- a spamer by coparing its IP address with blacklisted ones.
- authorized by authentication
- a human by CAPTCHA
Passive methods do analyze :- comment's data:
- nickname
- eMail address
- URL
- message
- trackback's data (concerning the shipping blog):
- blog's name
- entry's title
- entry's excerpt
- permalink's URL
What are the limits to these methods ?
Cross use of several of these methods allows excellent results concerning comments, but weak results concerning trackbakcs.
Difference between comments and trackbacks is that comments are sent from the recipient's blog, which allosw all above methods to be used, whereas trackbacks are sent from the shipping blog (this avoids the use and need of 2 interfaces).
- Consequently it's not possible to use CAPTCHA, authentication and Secure Form Mode methods with trackbacks.
- Another big problem, when all the trackback's data are unknown, especially the IP address, it is quite impossible to avoid spam, mainly because the blacklist and the bayesian filter are becoming inefficient.
- Last inconvenient, trackback autodiscovery is usefull for bookmarklets but also to spamers to who it gives the trackback URL.
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Always use the URL Associated with this article. - Always use and mention my full name. - Never mention my eMail address.
MORE RESOURCES:
Trend Micro: 90% of corporate email contains spam AME Info (press release), United Arab Emirates - 10 hours ago Some Middle East-based companies are receiving as many as 1.5 million emails per day across their networks with as much as 90% being spam , making them ... Publ.Date : Mon, 08 Sep 2008 08:19:40 GMT
The Spam fritters of yesteryear have been replaced by a menu that ... WalesOnline, United Kingdom - Sep 5, 2008 The dubious Spam fritters of yesteryear may have been replaced by a menu that wouldn’t look out of place at your average gastropub. ... Publ.Date : Sat, 06 Sep 2008 05:20:22 GMT
Three major spam waves in August CIOL, India - 12 hours ago Beware of Madonna, MS & CNN: Secure Computing's Research team has found three major spam waves in the month of August. BANGALORE, INDIA: Secure Computing ... Publ.Date : Mon, 08 Sep 2008 06:00:59 GMT
Chattanooga: Mysterious meat a memory-maker Chattanooga Times Free Press, TN - 14 hours ago Spam — the Hormel Co.’s famous meat in a can — has a 71-year shelf life, at least as far as memories go. More than 122 million cans of Spam are sold ... Publ.Date : Mon, 08 Sep 2008 04:03:36 GMT
Get heavy spam , blame your email ID Times of India, India - Sep 6, 2008 LONDON: How much spam you get depends on the first letter in your e-mail address, a Cambridge study reveals. Analysis of more than 500 million junk messages ... Publ.Date : Sat, 06 Sep 2008 20:48:33 GMT
Ways to Protect Against Lightning Strikes How to Protect Against ... RedOrbit, TX - 3 hours ago Q. I use a spam filter and still get more of it than I would like. What are some other ways to lessen the amount I get? A. Avoid listing your e-mail address ... Publ.Date : Mon, 08 Sep 2008 14:35:46 GMT
CBC.ca Competition the name of the game CBC.ca, Canada - 3 hours ago 'I met with the two CEOs involved and was satisfied with the additional steps they are taking to ensure that no consumers receive unwarranted spam . ... Hung out to dry CBC.ca all 2 news articles Publ.Date : Mon, 08 Sep 2008 14:36:10 GMT
ISOMEDIA, Inc. Deploys Cloudmark Authority for Spam Protection Earthtimes (press release), UK - 6 hours ago Cloudmark Authority provides ISOMEDIA subscribers with the industry's fastest and most accurate spam , phishing and virus protection. ... Publ.Date : Mon, 08 Sep 2008 12:02:36 GMT
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