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NoHarvester v1.2.1

By Patrick Benny
Posted October 15, 2006, in Comments, Trackback, Antispam.


A popular way for comment spammers to get their job done is to automatically harvest comment forms and forward the data to zombie computers who do the spamming. If you're getting a lot of spam comments to the same blog entries, you're probably a victim of the method.

This Movable Type plugin makes it nearly impossible for zombie nodes to post comments to entries harvested by another computer. Extra hidden values are added to all comment forms, one of those values is a server-computed key that's different for each entry and user, and cannot be used by a different computer or faked.

For the active spam fighter, the plugin also adds "whois" and "report" links to the junk comment editing form in Movable Type's back-end, allowing easy reporting of non-harvester spam. Many providers are more than willing to shut down abusive users. Also, a message like "All spam will be reported" near your comment forms may discourage some human spammers with half a brain.


Movable Type versions: 4.3



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AllwinBose on July 26, 2017, 10:40 a.m. Reply

Good update. There are also more ways to detect spam. For example this tool is a free email checker for spam words.

Lorene Myers

Lorene Myers on August 3, 2017, 6:20 p.m. Reply

This is really a great example you shared I will agree with you that spammers get their job done in most of the comment system and this is the lack of security which can make a bad effect on the website, because I have an experience because I when was working for the online website who provides assignment writing service to the students they integrated a comment system in their blog but the spammers were fully activated so I suggest them to use Movabletype for the which helps you to save from chatters.


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ritariya on June 21, 2018, 7:57 a.m. Reply

It makes impossible for zombie nodes to post comments to entries. Extra hidden values are added to all comment forms. Server computed key is different for each entry and user. It cannot be used by a different computer and faked. It also adds some report links to the junk comments. It allows easy reporting on non-harvesting spam.cast and die


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Riya on January 29, 2019, 1:57 p.m. Reply

Interesting to read about a new version of NoHarvester application. It automatically harvests comment forms and forwards Tour Paris Private the data to zombie computers. Here the detailed description of the technology used in it is shared.

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