Php Login Script With Session

For PHP beginners in the PHP runtime environment to set up the configuration is already a headache, not to mention the php.ini configuration, this article in order to achieve the effect of solving practical problems, the first PHP tutorial tutorial on how to pass PHP. ini to configure Session, in order to achieve the basic Session application. We know that in the use of PHP shopping cart, user login and other interactive web site development, Session is a good solution, if using XAMPP, AppServ and other PHP installation package, the general situation ...

In PHP to generate a CAPTCHA image is quite simple, because in PHP for us to provide a graphics Gd.dll library, to enable the GD graphics library we just php.ini in the PHP-GD front; Method a $authnum = '; $ychar = "0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z&qu ...

As PHP programmers, especially novices, always know too little about the dangers of the Internet, for many of the external invasion are at a loss what to do, they do not know how hackers invaded, submitted to the invasion, upload vulnerabilities, sql Injection, cross-scripting and more. As a basic precaution you need to be aware of your external commits and do a good job with the first side of the security mechanism to handle the firewall. Rule 1: Never trust external data or enter information about Web application security, the first thing you must recognize is that you should not trust external data. External data (outside d ...

Developers who have done CMS know that in the LAMP environment for background login and upload files are prone to problems in two places, and mostly because of PHP configuration issues, so make PHP optimization is essential. For PHP optimization, the main parameters of the php.ini reasonable adjustments and settings, the following we take a look at some of the php.ini done CMS developers know in the LAMP environment background Login and upload files, is ...

The establishment of enterprise security building Open source SIEM platform, SIEM (security information and event management), as the name suggests is for security information and event management system for most businesses is not cheap security system, this article combined with the author's experience describes how to use open source software Analyze data offline and use algorithms to mine unknown attacks. Recalling the system architecture to WEB server log, for example, through logstash WEB server to collect query log, near reality ...

2.5.4 Cookie Security (1) Cookies are a magical mechanism in which any request from a browser in the same domain will be brought with a cookie, no matter what resource is requested, and the cookie appears in the cookie field of the request header. The Set-cookie field of the server-side response header can add, modify, and delete cookies, and in most cases the client can add, modify, and delete cookies through JavaScript. Because of this mechanism, cookies are often used ...