sql injection

In the ado.net parameters often need to deal with a variety of databases, in the case of not practical stored procedures, the use of parameterized SQL statements to some extent to prevent SQL injection, while some of the more difficult to assign the

Recently a very fortuitous opportunity, I found a large web site, which is full of some extremely simple Web user controls, specifically some ASCX files. This approach is often considered necessary when developers discover unusual behavior in the

program | Attack SQL injection by those rookie level of so-called hackers play a taste, found that most of the hacking is now based on SQL injection implementation. SQL injection was played by the novice-level so-called hacker masters, found that

PHP mysql_real_escape_string () function PHP MySQL function Definitions and Usage The mysql_real_escape_string () function escapes special characters in the string used in the SQL statement. The following characters are affected:\x00\n\r\ '

Reference PetShop 4.0 This method is used to confirm that the user entered not malicious information user input information Maximum length of input the input information after processing public static string Inputtext (string text, int

1. If a method can be static, then declare that he is static, speed can be increased by 1/4; 2.echo is more efficient than print because Echo does not return a value, and print returns an integral type; 3. Set the maximum number of cycles before

SQL injection attacks can be the most common way for hackers to attack an Internet-facing SQL Server database. Any application that uses dynamic SQL, allowing untested user input to submit to the database, is at risk of SQL injection attacks,

Advanced Articles After reading the introductory and advanced chapter, a little practice, crack the general website is no problem. But if you hit the list name, or the program author filters some special characters, how to improve the success rate

In the introductory section, we learned how to judge SQL injection, but it is far from enough to really get the confidential content of the website. Next, we'll continue to learn how to get what we want from the database, first of all, let's look at

Web site by black generally refers to the site is injected Trojan or black chain, inject a variety of methods, there are SQL injection, there are Web site permissions injected and so on. The author takes IIS as an example to explain how to prevent

Safety How to better achieve the prevention of hacker attacks, I mention personal views! First, the free program does not really have a fee, since you can share the original code, then the attacker can analyze the code. If you pay attention to

First, web security is not only needed by the Internet Web services refers to the use of B/s architecture, through the HTTP protocol to provide services to the general name, this structure is also known as the Web architecture, along with the

Ajax| Security | security | Vulnerabilities Web developers will not notice the passion created by AJAX (asynchronous JavaScript and XML). It is largely thanks to the ability to create smart Web sites like Google suggest or web-based applications

According to authorities statistics, in 2010 years about 540,000 of the site has been hacked or attacked by hackers. Unlike in previous years, more and more personal websites are hacked, and in the past hackers hacked the site, more are hanging

Advantages and disadvantages of stored procedures : Stored Procedure benefits: 1. The T-SQL process code becomes more complex as the application changes over time, adding or deleting functionality, and StoredProcedure provides a replacement

We will step by step to strengthen the Windows system from the various aspects of intruder intrusion, which are attributed to the following: 1. Port Restrictions 2. Set ACL permissions 3. Close a service or component 4. Packet filter 5. The Audit We

asp.net| Button | solve | refresh | Problem all the time, asp,php to process submitting data to another page, because it takes a lot of effort to handle the decision on this page. This makes it possible to implement a small function with a lot of

This article introduces the simple Web site construction and single IIS multiple domain name, in addition to the introduction of the next 2008r2 IIS has been updated to 7.5, then 7.5 brought us what changes, the following from the user from the MSDN

Many companies or businesses put their Web servers in the intranet and map them on the firewall, turning requests from port 80 to a Web port on the intranet Web server. This security is improved a lot, but does not mean that the Web server hidden in

Almost all businesses now have Web sites that provide information not only through their websites, but also with their customers through web apps, blogs, and forums. From an online retailer's interactive baby registry to an electronic trading