Spam Prevention

sweetCaptcha is a fresh, friendly, action-based CAPTCHA service that’s easy for you to add to your website
and less frustrating for users to solve than difficult-to-decipher text-based CAPTCHA

http://sweetcaptcha.com/

Why do people love sweetCaptcha?

Module purpose & overview

The main functionality of this module is to automatically add an specific captcha challenge to all the forms in the site where this module is enabled.

Why we created this module?

The idea to create this module was that we always use catpcha for webforms due to a security process on our company and we can save time with this solution and we don't have to care about specific IDs.

Is it Features/Deploy friendly?

Yes, it is. Because it doesn't store any ID or form name.

https://drupal.org/sandbox/typhonius/1885762 plus https://drupal.org/node/2035677 plus various fixes to hopefully get it working some day.

Feature :
- Define a country's name by ip when they visited your web.
- Allow some country to access your website
- Restrict spam
Guide :
- You install module "iplocation"
- Setting countries access web by link : admin/config/development/iplocation/setting
API :
- iplocation_get_country_by_ip($ip = 0) : get country's name by visitor's IP
Return array with structure array('VN','VNM','VIET NAM'); if this county is VIET NAM
- iplocation_alow($ip = 0) : Define ip has permission to allow access web
Return : boolean

Spam Detect is a very lightweight API for detecting and acting upon spam.

The project includes the following submodules:

The QapTcha is jquery plugin integrating in CAPTCHA system drupal.
For more information on what QapTcha is, please visit:
http://www.myjqueryplugins.com/jquery-plugin/qaptcha

DEPENDENCIES
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Delete (spam) content generated by a User using Drush.

I was getting tired of scrapper bots hitting my site and decided to create a little project called Bot Stop. I noticed that Drupal has IP banning capabilities and thought that it would make a good addition to their arsenal of modules.

It works quite simply. Create a trap for spiders (crawl bots) that ignore the robot.txt file and ban them. Keeping information about the perpetrator on the system as well for later analysis. I am hoping to include some spam prevention techniques into this project as well.

CAPTCHA in Thai เป็นการบริการฟรี CAPTCHA ที่เป็นภาษาไทย ในลักษณะของการแก้ไขคำที่มักเขียนผิด คำอ่าน สุภาษิต และคำราชาศัพท์ต่างๆ

We all agree that spammers don't use spaces in their usernames, right? This module forces users to use spaces in their usernames so that spammers can't register (until they figure out a way to). With the 7-x.1.1 version, you can now specify your own character and how many times this character should occur in the username.