Step 5 keep your email system away from threats

Because of its low cost and high efficiency, e-mail has become the most important form of enterprise communication. Today, our question is no longer "do you have an email", but "What is your email address ?" However, email is the victim of its own

449 Status Code Correlation and Application Example

Source: Ghost blog Ghost Note: I first saw it in sobiny two days ago. Later I saw the related code in lcx. Now I have written another php version in 7j.SummaryI. Talk about 449Author: sobiny [B. c. t]Source:Http://sobiny.cnHTTP status codeWe often

A complete solution to prevent data leaks

The Network has connected more and more devices. People can obtain information through various access methods. More and more people begin to use new technologies to connect with each other, participate in the workflow together, perform division of

Start from the registry and cut off all hacker intrusion paths

While the network brings great convenience to our work and study, viruses, Trojans, backdoors, and hacker programs also seriously affect information security. One common characteristic of computer infection is that these programs write information

Network experts explain how to form and prevent Vulnerabilities

Software and system vulnerabilities cannot be avoided. When it comes to a vulnerability, someone will feel angry and think it is a pitfall. In fact, the vulnerability is inevitable. With the vulnerability, we should remedy it. This article

"Penetration test" finds weak Network Points

Security devices play an important role in implementing network security, but relying solely on security devices is far from enough. The firewall can effectively resist hacker intrusion, but some attackers can bypass the firewall. IDS can detect

Video Trojan creation and Prevention Measures

Last Friday, a message from the SANS Internet response center and multiple anti-virus vendors found a vulnerability in the Windows version of Real Networks's Media Player software Real Player, attackers can exploit this vulnerability to implant

How to minimize DDoS attack hazards

There is no way to eradicate ddos. Even hard defense is actually a way to mitigate it. Most networks are vulnerable to various types of hacker attacks, but we can use a set of security specifications to prevent hacker attacks to the maximum

Protection against web scripting attacks

Today, WEB security problems have affected the entire security field, such as SQL injection and cross-site scripting attacks. Network security issues are becoming more and more important. There are still many hosts in China that are threatened by

Penetration test Introduction

Source: Indifferent Blog 1 DefinitionThe penetration test (penetration test) does not have a standard definition. Some foreign security organizations have agreed that penetration testing simulates malicious hacker attacks, to evaluate the security

Server countermeasures made by a web Trojan

WebshellSecure use of the FSO Host: A Simple Virtual Host has various WEBSHELL threats. If you open a virtual host space for a friend, the biggest security risk of this virtual host will be the FSO permission problem, in fact, the security risks of

Attack and Defense

Nowadays, USB flash drives are very popular. Many friends have one or several USB flash drives on hand, and even MP3, MP4, card reader, and other USB devices that are the same as USB flash drives. In order to facilitate future descriptions, we will

Understanding Your enemies: passive fingerprint detection

Know Your Enemy:Passive FingerprintingIdentify remote hosts through passive Feature DetectionHoneynet ProjectHttp://project.honeynet.orgHttp://www.xfocus.orgLast Modified: 24 May 2000. One of the challenges of network security is that you need to

System security is the highest priority for deleting DLL Trojans

DLL injection Trojan is a very popular Trojan on the network. It is like a parasite. The Trojan is hosted in an important system process in the form of DLL files, call the DLL file through the host to implement remote control. Such Trojans can be

Cleverly set vrouters to prevent network hacker intrusion

Source: China IT lab Due to the complexity of enterprise network applications, network resources become more tight. In such an environment, enterprise network remote management becomes the heart disease of enterprise network administrators. Major

The CMOS Password clearing method is very practical.

Open the chassis, find the battery on the motherboard, and disconnect it from the motherboard (that is, remove the battery). At this time, CMOS will lose all internal storage information due to power failure. Connect the battery and shut down the

Manually scan and kill the latest Javqhc Trojan variants in three steps

Source: Beijing Network Introduction to Javqhc:If you have a problem, the trojan may be in use, and v1.9, the latest Javqhc exclusive killer tool of 360, is no longer available. 1. Security Software Hard Disk File deleted Security software such

6 Firefox Security Settings

Firefox browsers are becoming increasingly popular in China. Here we will introduce a security setting article on Firefox, which allows users to take precautions when browsing the Internet.1. Modify useragent In FF, enter about: config to add

Be careful about high phone bills! Is your ADSL protected?

ADSL Internet access is widely used in home applications. As bandwidth increases, more users also choose routers to build a home board network. However, all this is achieved through ADSL access. If the security protection of ADSL is not well done,

Interscan virus files

With the destruction of the FunLove and Code Red viruses everywhere, people's awareness of network security has been significantly improved, and everyone's eyes are on the firewall. However, the firewall is not a safe haven for us, and it also has a

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