Spam Prevention

Submission of an email address before a file can be downloaded.

Currently a work in progress and not complete & working module.

Advanced ban is a replacement to Drupal's ban module. Advanced ban module allows administrators to ban visits to their site from IP addresses like core ban module and has additive features:

• IP range ban (IPv4 only)
• Blocked IPs expire (unblock by cron)

Supported by Autoban module.

SpamLinkBlock is a simple module which main purpose is to prevent spam by blocking form submissions that contain links.

Majority of spam on the web have some kind link attached. If your form does not need to accept links this is a great way to limit spam submissions.

Additionally, users can create a list of “Stop Words” which should also block form submissions.

This is a stand-alone module but for best effects it should be utilized together with other spam prevention modules like honeypot or antibot.

DEA Blocker protects Drupal form email fields by disallowing mailbox addresses from a custom blacklist of Disposable Email Address domains.
Its main usage is to avoid user registration with temporary/disposable email addresses (DEA).

This module will add a challenge type into the dropdown that allows an admin to select a captcha for one of the defined forms.

If all forms on a page use this challenge type, the reCaptcha will show up for all of them.

This Drupal module is used to protect Drupal forms using honeypots dans various techniques. It will create the input form and do the necessary checks.

Human Presence is a fraud prevention and form protection service that uses multiple overlapping strategies to fight form spam. In the context of Drupal, this includes protecting user registration and login forms, content creation forms, contact forms, and more.