Configure linux transparent firewall by yourself

Generally, the two network interfaces of the firewall should belong to two different networks. According to the access rules defined by the system administrator, the two interfaces should forward data packets or reject or discard data packets. In

It is safer to run Linux.

Linux is an open system. Millions of programmers around the world are monitoring its operation. If a system vulnerability is discovered, it will be repaired in a short time, the update speed and self-improvement capabilities of Linux systems are

Windows Vista has an insecure programming vulnerability era approaching

Although Microsoft is trying to reduce the risks caused by Vista security vulnerabilities, this may mean that a new era of insecurity is approaching.Microsoft is hailed as the safest new generation of Computer Operating System Windows Vista. It has

Be careful that the desktop of the system will be blank

A virus specifically used to steal the passwords of online game accounts. The latest variant "DNS" (Trojan. PSW. rocOnline. dn) recently, there have been frequent activities on the Internet. Once poisoned, the system Desktop may be blank ......

SSM system monitoring software usage example

There are more and more Trojans/backdoors with high concealment and normal process insertion. If you encounter such Trojans, you may not be able to immediately hack them if you use the software to kill them. What should I do?My habit is to use SSM

Advanced network security skills Linux backdoor technology and practices

Backdoor Introduction A technology used to facilitate next entry after intruders fully control the system. You can modify the system configuration file and install a third-party backdoor tool. It is concealed and can bypass system logs and is not

The security of Vista is not much changed than that of XP.

Microsoft has been promoting Vista's security functions as a selling point, and said that Vista's security has made great strides over XP, but a top security expert warned users, he said that the security of Vista has not changed much. At the

[Note] One of the severe vulnerabilities in January May is the Exchange vulnerability.

Microsoft today announced the Information Security Update in July and seven new important Security announcements. The following summary shows Symantec's assessment of the three most important issues in this security update. Microsoft Exchange

Use the Snort software package to monitor light intrusion

Snort is designed to fill the gaps left by systems that are designed to detect expensive and heavy network intrusions. Snort is a free, cross-platform software package that monitors small TCP/IP network sniffer, logging, and intrusion detectors. It

Detailed analysis of U disk viruses and Autorun. inf files

A friend who often uses a USB flash drive may have suffered from the USB flash drive virus many times. the USB flash drive virus is a new virus that is mainly spread through the USB flash drive and mobile hard drive. Almost all of these viruses use

Use SSM to prevent malicious web page downloads

I. Introduction As the saying goes: I often walk by the river. How can I avoid wet shoes? A common annoyance is that when you browse a webpage normally, the browser has been installed with more than N plug-ins for two days, the machine also has

Seeding by inserting malicious backdoor hacker program harms computer

The "broadcaster" variant HS (Win32.Troj. Dropper. hs) is a trojan that releases another malicious backdoor hacker program. The QY (Win32.Troj. OnlineGames. qy) variant of the "game Chaser" is a trojan virus that steals online game "perfect world"

[Note] the software blacklist virus specifically deletes programs in the default installation path.

[Editor's note: Nowadays, many computer users are used to installing software in the default system directory, which is convenient. It is "convenient" to facilitate viruses and Trojans. It takes a few seconds to change the installation directory of

Top 10 principles of security first online shopping Fraud Protection

There are more people trying to shop on the Internet, and online shopping disputes and other problems are gradually increasing. For example, the recorder on the Internet becomes Oolong tea; the MP3 walkman on the internet is sold, but the result is

CA Antivirus Software exposes severe security vulnerabilities that can cause system crashes

According to foreign media reports, the security software vendor CA recently reminded users that multiple anti-virus software has security vulnerabilities and can be exploited by hackers to execute malicious code on users' computers.CA recently said

RWX hackers can remotely control users' computers

The "RWX hacker" variant JK (Win32.Hack. RWX. jk) is a backdoor hacker program similar to the malicious behavior of pigeons. Win32.Troj. Mnless is a trojan virus that automatically pops up the ad window. I. RWX hacker variation JK (Win32.Hack. RWX.

Kaspersky (China) website solemnly reminds you to guard against counterfeit software

[Editor's note: there are more and more counterfeit products, and even security software is fake. To ensure security, replace "http" with "hxxp .]Recently, Kaspersky received a report from several users that someone offered a fake Kaspersky Internet

Learn about linux security with me

Today, I want to discuss about linux security.1. Add a ciphertext password to the grub startup option to prevent others from entering the single user for configuration modification.[Root @ zy root] # grub-md5-cryptPasswd: 123123Then it will generate

Google develops security tools to automatically find Web software Defects

Google is developing a security tool that can automatically discover cross-site scripting defects in its web application software.According to foreign media reports, the tool named Lemon triggers and exposes defects in web applications by providing

Use Windows XP security mode to solve system problems

When you encounter very difficult system problems, choosing the Windows security mode can solve many problems. Here we will introduce three unique advantages of WinXP.1. fixed connection interruptionIn some cases, disabling the Administrator account

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