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Say a Firm 'No' To Spam With CAPTCHA |
| Date Added: July 24, 2009 02:16:19 AM |
| Author: Leisa |
| Category: Computers: Software |
| The abbreviated word CAPTCHA sounds a bit weird. Yet, we make use of it almost every single day. The World Wide Web is the place where users communicate, exchange information, do business in a convenient and inexpensive way. But simultaneously it is especially favoured by spammers, hackers and online fraudsters, with megabytes of spam & junk mail spreading around the global net. When decoding the abbreviated term CAPTCHA, you will get 'Completely Automated Public Turing test to tell Computers and Humans Apart'. It emerged in 2000 as an internet security module. It is an obligatory test that Internet users have to before sending a mail. There are a great number of types of a CAPTCHA. However, on our computer monitors we typically see figures and characters very often crossed with a line. Letters are written in different directions. Therefore, it takes a user several seconds to grasp what is typed in a prompt box. Some users can find the CAPTCHA test excessive. Still, it is a vital preventive measure to protect your e-mail box from spam and junk mail. In fact it is the computer that creates a test & assesses its results. But the computer program is incapable of solving a test itself. So, if you pass a test successfully, the computer identifies you as human, as bots cannot solve a CAPTCHA test. This is the way the computer identifies users are human or bots. Spam is known to be attacking Spam is known to have been attacking Internet for years. Surely, there are different anti-spam protection modules which sort out mail. Yet, Drupal CAPTCHA is viewed to be far efficient. Along with the spam protection, the module secures the protection process as well. The Drupal CAPTCHA simply installs a mandatory test to be solved each time when users or guests want to submit any form. As stated above, a CAPTCHA is in great need nowadays. Thus, before you select a CAPTCHA service provider, assure it will comply with your needs. You can download a free trial version to view if a CAPTCHA module suits you. Some CAPTCHA modules are compatible with a great number of programming languages. Do also ensure that your service provider will guarantee an emergency server in an isolated system to maintain an unstoppable running of the module, in case a problem comes up. |
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