What is the difference between a non-resident memory virus and a resident virus?

Memory-resident viruses are immediately infected. Every time a virus program is executed, it actively searches the current path and finds executable files that meet the requirements. This type of virus does not modify the interrupt vector, and does

Introduction to Enterprise Intranet Security Planning

This article focuses on the direction of Enterprise Intranet security planning. The computer has been facing the public for just over 40 years. The world economy, science and technology and other indicators have developed rapidly. The cultivation of

Secure Linux Remote Desktop Management Using SSH + VNC

VNC can compress data so that the amount of data transmitted is smaller than that encrypted using SSH. However, one or two chances are that computers in the same network segment can use sniffer to eavesdrop the user name and password. Data after

Parsing the VFS file system mechanism in Linux (I) (1)

This article describes the file system in Linux. The source code is from the IA32-based 2.4.20 kernel. In general, the file system in Linux can be divided into three main parts: one is the system call of the Upper-layer file system, and the other is

Implement software RAID (1) in Redhat Linux AS 4)

Usually, redundant disk arrays (RAID) are used on servers to protect data. High-end servers generally provide expensive hardware RAID controllers. For small and medium-sized enterprises with limited financial strength, using software in Linux to

Linux security settings are robust, stable, and secure

Today, many small and medium users are constantly updating or upgrading their networks due to business growth, which leads to a large difference in their user environments. The entire network system platform is uneven, and most servers use Linux

Use isa server to meet enterprise network security requirements

For an enterprise network, stable speed is an important indicator for evaluating whether the enterprise network is healthy. When the enterprise network is abnormal, our network administrator directly faces criticism and distress from all parties:

Server Security Settings Tutorial: Hard Disk permission settings

Here we will focus on the required permissions, that is, the permissions required for the final folder or hard disk, which can defend against various Trojan intrusions, Elevation of Privilege attacks, and cross-site attacks. This instance has been

Network security in Enterprises: Understanding server security maintenance

Server Security Maintenance Tips 1: Start from basics When we talk about network server security, the best advice I can give you is not to be a layman. When a hacker starts to launch an attack on your network, the hacker first checks whether there

Nagios: Easy Network Monitoring

NagiosIs an open source codeNetwork MonitoringTool. It is free, powerful, and customizable. Although learning and implementing IT is complicated, IT saves a lot of time in recording how your organization's IT infrastructure works. Validity of Nagios

Security personnel think Windows 8 image and password have security problems

Windows 8 official blog introduces Microsoft's next-generation operating system's image and password function, allowing tablet users to log on to the system by clicking the point on the picture in the correct order. This is an interesting feature,

How to crack keys in Differential Power Consumption Analysis Attacks

Q: I have heard that the differential power analysis (DPA) and differential power analysis (differential) attacks can attack the victim's machine by transmitting electromagnetic signals from the measurement chip. Is this a real attack that can steal

Stunnel: widely used SSL encryption package (1)

Stunnel is used to encapsulate the SSL encryption between the remote client and the local machine that can start inetd: inetd-startable) or between the remote server. It can add SSL functions to POP2, POP3, and IMAP servers using inetd daemon

Password forgotten customs clearance manual helps you reduce unnecessary troubles

Cracking several common software passwords At present, more users know how to use computer software to encrypt some of their information stored in the computer, so that those who do not have the right to read the important information can not easily

How to Prevent SQL injection attacks in ASP. NET

1. What is SQL injection attacks? The so-called SQL injection attack means that an attacker inserts an SQL command into the input field of a Web form or the query string requested by the page, and deceives the server to execute malicious SQL

What did we think of when the new Internet conference was hacked?

On the afternoon of July 6, many netizens reported that the website registered with the xinnet domain name was still running normally in the morning. In the afternoon, they could not log on to or refresh the page, and the data provided in succession

Security Settings for dedicated Web site servers (1)

IIS settings: Delete the virtual directory of the default site, stop the default web site, delete the corresponding file directory c: inetpub, configure public settings for all sites, and set the connection limit, bandwidth settings, Performance

Five criteria for enterprises to choose Web Trojan protection tools

Network viruses, especially Web Trojans, are already a street rat. It can be seen how much damage the Web trojan has brought to netizens. Some of them have even reached the point of changing things. In fact, Web Trojans are not as terrible as you

Secure DMZ web server configuration Device

Q: I need to put the web server into DMZ, and the server needs to access the data in the network attached storage NAS box on the Intranet. Is there any best practices for building a secure DMZ web server? A: This is a good question. We often

Radware AMS builds security lines for multiple social networks

Radware, a provider of virtual data centers and cloud Data Center application delivery and application security solutions, recently announced that two well-known social network companies have adopted the Radware widely acclaimed attack relief system

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