It works by stripping out the "action" attribute for all forms which are not on the whitelist.
The module can generalize support for whitelisting of other HTML in addition to forms, such as hyperlinks and images.
Another enhancement worth considering would be the ability to blacklist domains rather than whitelisting domains.
Unpack in your modules folder (usually '/sites/all/modules/')
Enable under Administer > Site Building > Modules Requirements:
· Drupal 6.x
Pm Blocking By Users 1.0.0
It also provides the PM whitelist feature to allow receiving private messages only from the users in PM whitelist.Gives the ability to administrators ...
Sendmail Sender Address Validator 1.4.0
This tool is a lightweight, fast and reliable Sendmail filter that implements a real-time Sender e-Mail Address Verification technology. This tec...
Cgc Maintenance Mode 1.0
It works on a whitelist principle, allowing only specified IPs access to the site.Installation:Unpack and upload it to the /wp-content/plugins/ direct...
Html Purifier 3.1.1
HTML Purifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS)...
This application was modelled after Rush and compatible with Ruby 1.8, 1.9, and any version of JRuby higher than 1.3By default, Rye errs on the side o...
Login Configurator 1.6
It will change the way login functions work including forcing users to log in, changing the URL they go to when the login is successful, adding text t...
OpenBottle is a per user anti-spam email system based on a sender authenticated whitelist mechanism. The core of the system is written in Perl, with a...
Botnet Attack Blocker 1.4
The 'Botnet Attack Blocker' plugin works just like any brute-force attack security mechanism, limiting login attempts.But unlike those regular aforeme...
Comment Link Manager 1.1
The CLM plugin allows wordpress admins to have more control over the links left by users who leave comments on their blogs.Admins are provided with th...
BlockIt monitors the Snort alert file and creates either IPTables, IPChains, IPFWADM, or Checkpoint Firewall rules.BlockIt has built-in CIDR support f...
Works on the whitelist principle.It will expect a list of acceptable HTML elements and attributes.Then when pointed to a DOM node, Sanitize.js will re...
Fail2ban Firewall Integration 6.x-0.x-dev
Comment moderators can submit comment the spammer's IP address to the system firewall on a Linux server that runs the fail2ban automatic firewalling s...
Zopim Chat 7.x-1.0 / 6.x-1.0
Zopim allows users on a site to chat between them.Installation:Unpack in your modules folder (usually '/sites/all/modules/')Enable under Administer ...
Can be easily integrated withready-made PHP-driven applications like CMSs, blogs, forums, CRMs, etc..StopSpamReferer it is known to work with Drupal, ...
It is kind of an anti-virus for WordPress.Installation:Unpack and upload it to the /wp-content/plugins/ directory.Activate the plugin through the 'Plu...
Live Person Integration 6.x-1.1 / 7.x-1.3
There are plans to add support for a default live person account and customization options. Installation: Unpack in your modules folder (usually '/sit...
On The Fly Youtube Embeds 1.1
Embedding YouTube videos is regularly done by copy & pasting a special embed code or via some WP plugin that uses a shortcode system.This plugin takes...
NeatHtml™ is a highly-portable open source website component that displays untrusted content securely, efficiently, and accessibly. Untrusted co...
Outbound Link Manager 1.2
It gives more control to the developer on how external links are displayed and how they behave.Installation:Unpack and upload it to the /wp-content/pl...
Wp Super Bar 0.0.2
The bar contains links to share content on various social networks.Installation:Unpack and upload it to the /wp-content/plugins/ directory.Activate th...