google captcha page

How do I generate a captcha picture? Using the PHP gd? Ok,right. In fact, Zend's CAPTCHA module has been packaged well. This article explains how to use the Zend Captcha module. Environment installationFirst Zend The captcha need to install GD. See

Zend-based Captcha mechanism. How do I generate a verification code image? Use php GD? OK, right. In fact, the Zend Captcha module has been encapsulated. This article describes how to use the Zend Captcha module. How does one generate a verification

This article introduces the application of Zend-based Captcha mechanism. For more information about how to generate a verification code image, see? Use php GD? OK, right. In fact, the Zend Captcha module has been encapsulated. This article describes

How do I generate a captcha picture? Using PHP's GD? Ok,right. In fact, Zend's CAPTCHA module has been encapsulated. This article is about how to use the Zend Captcha module. Environment installationFirst Zend Captcha need to install GD. Check to

How do I generate a verification code image? Use php GD? OK, right. In fact, the Zend Captcha module has been encapsulated. This article describes how to use the Zend Captcha module. Environment InstallationFirst, GD must be installed for Zend

Google Captcha is a tool class for Google to generate a verification code by saving randomly generated strings to the session and returning them to the page as pictures, before the foreground page is submitted to the background for

Problem:Today, there is a strange problem, each page requested the Asp.net_sessionid of the cookie is not the same , resulting in a verification code validation error . That is, each request is a new session, we guarantee the verification code in

Google has previously launched a more secure way to log in to Google accounts because of the frequent malicious attacks on Google's Gmail accounts and even the attacks on senior U.S. government officials, which are now open to global users.

Because Google's Gmail accounts are often malicious attacks, so the author suggested that all users with Gmail to open two-step verification, so that security can be guaranteed, two-step verification of the proposed use of the smartphone installed

Step One:Add Kaptchar jar package to the project: http://code.google.com/p/kaptcha/(Thunder download is recommended)Step Two:Configure Web. XML, detailed configuration (not all configurations here, there are many parameters can be reduced as