Title: Ozh' No Duplicate Comments
Author: Ozh
Published: <strong>April 30, 2010</strong>
Last modified: September 18, 2010

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![](https://s.w.org/plugins/geopattern-icon/ozh-no-duplicate-comments.svg)

# Ozh' No Duplicate Comments

 By [Ozh](https://profiles.wordpress.org/ozh/)

[Download](https://downloads.wordpress.org/plugin/ozh-no-duplicate-comments.zip)

 * [Details](https://co.wordpress.org/plugins/ozh-no-duplicate-comments/#description)
 * [Reviews](https://co.wordpress.org/plugins/ozh-no-duplicate-comments/#reviews)
 *  [Installation](https://co.wordpress.org/plugins/ozh-no-duplicate-comments/#installation)
 * [Development](https://co.wordpress.org/plugins/ozh-no-duplicate-comments/#developers)

 [Support](https://wordpress.org/support/plugin/ozh-no-duplicate-comments/)

## Description

A new trend in spam is to duplicate legit comments from your readers to hopefully
pass spam filters. Spammers post content that was previously approved on your site,
but with their own name and URL. This plugin prevents this.

## Installation

Installation is, as usual :

 1. Upload files to your `/wp-content/plugins/` directory (preserve sub-directory structure
    if applicable)
 2. Activate the plugin through the ‘Plugins’ menu in WordPress
 3. Refer to the official plugin page for documentation, usage and tips

## Reviews

There are no reviews for this plugin.

## Contributors & Developers

“Ozh' No Duplicate Comments” is open source software. The following people have 
contributed to this plugin.

Contributors

 *   [ Ozh ](https://profiles.wordpress.org/ozh/)

[Translate “Ozh' No Duplicate Comments” into your language.](https://translate.wordpress.org/projects/wp-plugins/ozh-no-duplicate-comments)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/ozh-no-duplicate-comments/),
check out the [SVN repository](https://plugins.svn.wordpress.org/ozh-no-duplicate-comments/),
or subscribe to the [development log](https://plugins.trac.wordpress.org/log/ozh-no-duplicate-comments/)
by [RSS](https://plugins.trac.wordpress.org/log/ozh-no-duplicate-comments/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

The changelog can be found:

 1. In the plugin source itself
 2. Here: https://plugins.trac.wordpress.org/log/ozh-no-duplicate-comments?verbose=
    on

## Meta

 *  Version **1.0**
 *  Last updated **16 years ago**
 *  Active installations **10+**
 *  WordPress version ** 1.5 or higher **
 *  Tested up to **9.9**
 *  Language
 * [English (US)](https://wordpress.org/plugins/ozh-no-duplicate-comments/)
 * Tags
 * [admin](https://co.wordpress.org/plugins/tags/admin/)[auth](https://co.wordpress.org/plugins/tags/auth/)
   [login](https://co.wordpress.org/plugins/tags/login/)[nologin](https://co.wordpress.org/plugins/tags/nologin/)
   [ozh](https://co.wordpress.org/plugins/tags/ozh/)
 *  [Advanced View](https://co.wordpress.org/plugins/ozh-no-duplicate-comments/advanced/)

## Ratings

No reviews have been submitted yet.

[Your review](https://wordpress.org/support/plugin/ozh-no-duplicate-comments/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/ozh-no-duplicate-comments/reviews/)

## Contributors

 *   [ Ozh ](https://profiles.wordpress.org/ozh/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/ozh-no-duplicate-comments/)

## Donate

Would you like to support the advancement of this plugin?

 [ Donate to this plugin ](http://planetozh.com/exit/donate)