dsi security

PHP's security model was created to try to resolve the shared server (Shared-server) security issue. On the structure, it is unreasonable to try to solve this problem on the PHP layer, but it is very unrealistic to modify the Web server layer and the operating system layer. So many people, especially ISPs, currently use Safe mode. The following are the settings for Safe mode in php.ini: Safe_mode Boolean W

as you know, PHP is now the most popular Web application programming language. But as with other scripting languages, PHP also has several very dangerous security vulnerabilities. So in this tutorial, we'll take a look at a few practical tips to help you avoid some common PHP security issues. Tip 1: Use the appropriate error report Generally in the development process, many programmers always forget to ma

Android security-code security 3-dex file checksumTo recompile the APK is actually to recompile the Classes.dex file, after recompiling, the generated Classes.dex file hash value changed, so we can detect the installation after the Classes.dex file hash value to determine whether the APK has been re-packaged.(1) Read the Classes.dex file in/data/app/xxx.apk in the application installation directory and comp

User Login Cookie Information security one or two, cookie information security We all know that after the user login, the user information will generally choose to save in the cookie, because the cookie is to save the client,and cookies can be freely changed by the client in the browser, which will cause the user cookie to be in danger of forgery, which may cause the counterfeit cookie to be logged to any

In this article, I will show you some simple tips to help you improve the security of your SSH service. The SSH server configuration file is etcsshsshd_conf. After each modification, you must restart the SSH service to make the change take effect. 1. Modify the SSH listening port. By default, the SSH listening port 22 is used by attackers to scan the port. In this article, I will show you some simple tips to help you improve the

WEB security is one of the most common services provided by the system. The main vulnerabilities of WEB security servers include:Physical path LeakageCGI Source Code LeakageDirectory TraversalExecute any commandBuffer OverflowDenial of ServiceCross-Site lactic acid executionThe WEB server software used on Windows is IIS. No matter which operating system platform, as long as the WEB service is provided exter

Process startup failed: Security problem Xcode process launch failed: Security Xcode, xcostmch Failed to start Xcode process: security problem, no problem in simulator, no problem on Physical MachineIt took about one week to two weeks to develop an app, yesterday the iPhone 5S was upgraded to iOS 8 GM system, upgrade is no problem, the test app is no problem, th

Compared with ASP and PHP, Servlet/JSP has a high execution efficiency due to its multi-threaded operation. Servlet/JSP is executed in multi-thread mode by default. Therefore, you must carefully consider the security of multiple threads when writing code. However, many developers have not noticed the multi-thread security issue when writing Servlet/JSP programs, which often causes no problems when a few use

Network equipment is also an important device in the network boundary. It is the main road to the entire data center and cannot cause any loss. In the past two days, the Nexus network equipment was reinforced with simple security measures, the main operations are summarized as follows: 1. Create a read-only account on nexus, for example, to view configuration and other information. Because nexus has a good and easy-to-operate RBAC control mechanism, t

After Silverlight is published as a web application, it is easy to decompile the Silverlight application. For example, for Sina finance and economics Silverlight, you can easily download the Silverlight application from the client *. xap file, renamed *. zip and decompile the DLL in it with reflector. Detailed steps include how to view the location of the *. xap file downloaded by the browser, and how to decompile the file...ArticleTeach you how to crack Silverlight step by step. In addition, th

Content of the Web server Security Configuration1 Terminal Services default port number: 3389.Reason for change: Do not want to allow illegal users to connect to the server for logon experiments. When this server is hosted outside the more do not want to happen this situation, hehe, has not forgotten 2000 of the input method loophole it?To change the method:(1), the first [HKEY_LOCAL_MACHINE System CurrentControlSet Control Terminal Server WDS rdpwd T

This article is the security of Android research and development of the activity component of the second, this article will share the activity interface hijacking prevention knowledge.What is activity hijackingSimply put, the app's normal activity interface is being hacked and illegally used by a malicious attacker who replaces the fake malicious activity interface. Interface hijacking attacks are often difficult to identify, the consequences of which

When we understand the "digital color", we will know that the colors in the Web page will be affected by various environments. Even if your Web page uses a very reasonable, very beautiful color scheme, but if everyone looks at the effect of different, then your color scheme will not be very good to convey to the viewer. So what can we do to solve this problem? The answer is--216 Web page security color. 216 Web page

This article is made by reading PHP security in http://www.nowamagic.net/into a topic, combined with a little bit of personal development experience.If you need to see the original text, you can directly visit http://www.nowamagic.net/to see the original text, written very well, the first time you do not understand the words, suggest you see the second time, the quality of the article is very high.PHP clearly represents the source of user data through

Here goes the previous chapter of the custom filter, where the main thing is to configure the Custom authentication processing filter, and add to the filterchain process. In our own not in the XML to do a special configuration case, the security default to do the authentication processing filter for Usernamepasswordauthenticationfilter, by viewing the source know, The method of authentication processing is attemptauthentication, the main function of t

Related Settings for IIS: Delete the default established site virtual directory, stop the default Web site, delete the corresponding file directory c:inetpub, configure all the site's public settings, set the relevant number of connection limits, Other settings such as bandwidth settings and performance settings. Configures application mappings, removes all unnecessary application extensions, and retains only asp,php,cgi,pl,aspx application extensions. Right In PHP and CGI, it is recommended t

SSH General purposeProvide shell to resolve Telnet unsecured transfer1. Modify the default SSH default portVi/etc/ssh/sshd_configRestart after modification>systemctl Restart sshdSSH security and configuration best practices1, configuration root cannot shh login> Vi/etc/ssh/sshd_configAfter the configuration is complete, restart the SSH serviceThe connection does not take effect, prompting to reject the password2. SSH access control (restricted network

　　QQ Security Center Cancel security Mode tutorial 1, after landing QQ, click the "menu → security → Security Center Home", the following figure- 2, after entering the Security Center homepage, click "View More", the following figure-- 3, after entering, select the

Effectively managing user state in Web applications requires a delicate balance between performance, scalability, maintainability, and security. Security considerations are extra important when managing the user state stored on the client. One of my colleagues once said that processing client-side state data is like handing the ice cream to a 5-year-old: You can get the ice cream back, but you can't expect

It is said that when a PC (Windows system) on the Internet, if there is no anti-virus software firewall, then within 10 minutes will be the fall of the city of the virus. Why is it so? Because when you surf the Internet, maybe some sites will be implanted virus, a Trojan horse or something, the site's users as long as a landing, if there is no protection measures, then your machine will certainly be immediately captured. Of course, the site is not intentionally to hang virus and Trojan to the us