nessus security

A few practical points for making a high-security PHP website, security php practical points 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 commo

filtering processing.The Iptables component is a tool that also becomes user space (Userpace), which makes it easy to insert, modify, and remove rules from packet filtering tables. Unless Jin is using red HAT LINUX 7.1 or later, otherwise you will need to download the tool and install it using it.packet switching and condition monitoringThe main security control methods used by firewalls are packet filtering, condition monitoring, and proxy services.

When I download the php version from the php manager, I will see one of them, None-Thread Safe and Thread Safe. What is the difference between the two versions, but let's take a closer look at it as an example. We use thread security instead of program security for testing. First, literally, None-Thread Safe means non-thread security, and no Thread

continuously, the server replies to the confirmation packet, and waits for the customer to confirm, because the source address does not exist,The server needs to be continuously re-sent until timeout, these forged SYN packets will take a long time to occupy the disconnected queue, the normal SYN request is discarded,The target system is slow to operate, causing network congestion and even system paralysis in severe cases.Which certificate should be tested?Information

Software Security and Reverse Analysis in Android [2]-apk anti-cracking technology and security protection mechanism In Android Application Development, after we develop the software, we do not want others to decompile and crack our applications, and cannot modify our code logic. In fact, in consideration of the security mechanism of applications, we hope that ou

The above is all fart words, embellish Lun just. (I also literati once) Changed a turn. The actual operation stage of system permission setting and Security Configuration System settings on the Internet there is a word is "minimal permissions + minimum service = maximum security." This sentence is basically an individual has seen, but I seem to I have not seen a more detailed and comprehensive article, the

I. Web Security product analysis Around the security of Web services, products can be said to be a variety of, the most basic is access to access to the Gateway UTM, which IPs function and anti-DDoS function is a Web server system-level intrusion of direct protection, but UTM is a universal border security gateway, not "professional" web intrusion protection, Ge

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

Web security practices (7) Introduction to web servers and common attack software Through the previous discussion, we have learned how to determine the type of web server. From this section, we will discuss web platform vulnerability attacks. The defect mentioned here is the defect of the server itself, not the defect caused by the Administrator's configuration. This defect can only be avoided by upgrading or patching. Of course, for different servers

Nowadays, it is not easy to secure mobile devices such as laptops, cell phones, and PDAs. The endpoint security is extremely immature, and the security professionals have little to worry about. Cloud computing and cloud security continue to promote the development of data and online applications, which is a revolutionary impetus to the traditional peripheral netw

With the development of China's wireless routers, wireless technology is constantly being updated and upgraded. Nowadays, many people are overwhelmed when configuring the Security Settings of wireless routers after they buy wireless routes. In the face of so many options, what are mandatory and what are the default options, this article provides a brief explanation. The wireless configurations of a wireless router are as follows: Wireless Settings and

Http://commondatastorage.googleapis.com/io2012/presentations/live%20to%20website/107.pdf Let's take a look at google's knowledge about android security: 1. If sensitive data is protected by permissions, these permissions will be held by the Authority. To use these permissions, you must apply for them. 2. The security awareness of MFA farmers is very important. Codoon worked very hard. Unfortunately, due to

Undoubtedly, improving server security is one of the most important tasks for system administrators. Therefore, there are many articles, blogs, and Forum posts for this topic. CentOS server security skills Undoubtedly, improving server security is one of the most important tasks for system administrators. Therefore, there are many articles, blogs, and Forum post

Web security full Coverage penetration testingWeb Security Level AssessmentWeb security Vulnerability RatingRecommendations for Web Security vulnerability ModificationWeb Security TrainingCharging Standard:Serious vulnerability: $200Medium Vulnerability: 100 USDCommon Vulner

What is CSPThe CSP full name content security policy, can be translated directly into the contents of secure policies, plainly speaking, is for the page content security and set up a series of protection strategies. Specify a trusted source of content through the constraints of the CSP (the content can refer to scripts, pictures, iframe, Fton, style, and so on possible remote resources). With the CSP contra

Thread security is a very serious problem in the case of high concurrency. The following code may cause problems during multi-threaded access. The following uses list. add as an example to describe the situation of multi-threaded access. The following code is the implementation of list. Add. publicvoidAdd(Titem){if(this._size==this._items.Length)this.EnsureCapacity(this._size+1);this._items[this._size++]=item;this._version++;} When two threads access

In the previous article, I introduced how to improve Linux system security through system optimization. Here we will continue to introduce how to improve Linux system security through security configuration, in this way, the Linux system administrator should also master it and believe it will be of great use. As a system administrator, it is very important to per