192 168 1 1 authentication required

Don't say anything, directly on the code. If you can not understand the following and I leave a message. First look at the service side: the use of PHP language, deployed in the Sina SAE server (with the database) Put all the PHP files in the same directory: 1.db.php encapsulated classes for connecting to a database 2.response.php used to encapsulate communication data (JSON or XML) 3.checklogin.php is provided to the client to allow t

varisIp=function(){varregexp=/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/;returnfunction(value){var valid=regexp.test(value);if(!valid){//首先必须是xxx.xxx.xxx.xxx类型的数字，如果不是，返回falsereturnfalse;} returnvalue.split(‘.‘).every(function(num){//切割开来，每个都做对比，可以为0，可以小于等于255，但是不可以0开头的俩位数//只要有一个不符合就返回falseif(num.length>1num.charAt(0)===‘0‘){//大于1位的，开头都不可以是‘0’returnfalse;}elseif(parseInt(num,10)>255){//大于255的不能通过returnfalse;}returntrue;});}}();vartest_ip=‘123.12.123.1‘;//一

The first thing to declare is that this article is purely an ignorant view of a little developer without foresight and knowledge, and is intended only for reference in Web system security.1. Brief descriptionIn siege, the gate is always the easiest place to be breached.If a web system is not secure enough, there are often problems from landing on it.Many Web applications have no or little control over the strength of the user's password, so it's easy

XML authentication tutorial, Part 1: Dom parser 英文原文 Content: