Comme tous les sites qui acceptent des contributions d'utilisateur, les wikis sont la cible de spammeurs. DokuWiki offre plusieurs solutions intégrées pour les bloquer. D'autres sont disponibles par greffons

La méthode la plus simple pour éviter les spammeurs et de n'autoriser que les utilisateurs de confiance à pouvoir contribuer au site. Se référer à la documentation sur la liste des contrôles d'accès

Toutefois cette solutions n'est pas le plus appropriée pour les sites massivement communautaires. Veuillez étudier les autres solutions ci-dessous qui ont permis à dokuwiki.org de fonctionner pendant des années sans jamais avoir eu besoins de gérer des publications anonymes illicites.

C'est une méthode actif de blocage des adresses URL de type spam. Lorsqu'un spammeur tente d'enregistrer une page

As an active method against known spammers their URLs can be blocked. When a spammer tries to post a known spam-URL, the save will be aborted. DokuWiki comes with a small blacklist of URLs we encountered here on dokuwiki.org, but you can easily add your own.

See blacklist for details how this works.

To discourage spammers, DokuWiki uses a feature called DelayedIndexing. It tells search engines to not index pages that were recently updated. On an active wiki, spam will be removed very quickly by community members. Once a page has not been edited for a while, you can assume the community approves of the pages content and thus is spam-free.

See indexdelay for how to configure the time after which a page is considered old enough to be indexed and how to turn of this feature.

Whenever a spammer succeeds in spamming a huge amount of pages, it becomes hard to remove all the spam manually again. DokuWiki comes with the Revert Manager plugin which allows you to easily revert all pages back to a version where it did not contain spam.

A very effective method to protect your wiki against automated spam attacks is the use of a CAPTCHA. The most recommended plugin is the CAPTCHA plugin. It has various levels of usability settings and its default is invisible to most human users while still very effective against bots.

Installing this plugin is highly recommended on public wikis!

Spam bots are known to automatically register on wikis which will create a huge amount of useless, fake users. If you allow people to self register, it is advisable to protect the registration against spam bots. The CAPTCHA plugin is able to do that. Another option is the preregister Plugin which adds an email confirmation to the registration process.

Of course you can also disable the registration completely using the disableactions option.

Hint: should your wiki have been hit by a registration bot in the past, you can easily delete users by removing them from the conf/users.auth.php file instead of manually deleting them via the user manager.

Check the plugin list for plugins tagged with spam to find more plugins to protect your wiki.