How to Improve Nagios server security

Nagios is a monitoring software that helps users quickly understand problems on the host and the Internet and can be configured to be used on any network. Installing the Nagios server on any Linux operating system is a very fast process, but it

Use these five methods to easily improve the physical security of network connections

There is a large amount of help information on the Internet, telling you how to protect your computer from remote intrusion and malicious mobile code infection, in addition, this topic is often the focus of many formal IT security education and

Cache-as-RAM for mitigating Cold-boot attacks

By: doodle The computer memory is no longer an impeccable bastion host. Should the encryption key be enabled with the computer system? Recently, Peter Stuge introduced an open-source BIOS called "coreboot. Coreboot uses little-known CPU

Sniffer technical principles and applications, including programming methods and tool usage

Sniffer is a sniffer which is widely used in the current network technology. Sniffer can be used as a networkDiagnostic tools can also be used as tools for hacker sniffing and listening. In the last two years, the network listener (sniffer)

Another utility in Windows to ensure system security

In Windows, sfc.exe is a utility used to verify system file integrity and repair system files. In Windows XP, the function is more powerful: we can also use this tool to restore the function, in Windows XP, the System File Checker can scan all

Netbook Security Guidelines

In the network world, those netbooks with the "Atom" label should be self-cleaned before they can swim across the network. The emergence of such computers has provided opportunities for major IT vendors, and challenges are coming soon. From the

Use capability features to enhance Linux System Security

Abstract: The Access Control Model for traditional UNIX systems is very simple-for common users, Super Users. In this model, a process or account has either very small permissions or all system permissions. Obviously, this is of no benefit to system

How to protect your website from being "threatened" by hackers"

With the development of Internet services, the application of websites becomes more and more complex. Web service platforms have been widely used in e-commerce and Enterprise Information Office, at the same time, the development of Web Services has

Ensure that the uploaded FTP server is protected from attacks

In the age of network technology, SOHO (Small OfficeHome Office) or Tele-office (Tele-Office) has been gradually accepted by some companies and individuals as a new way of working and living. With the help of the ubiquitous network, many people stay

Smb 0-day Intranet penetration and defense

Source: baoz.net This smb 0-day vulnerability has been around for a long time. Since it is too busy to work, I have never been concerned about it. This vulnerability affects vista, windows 7, and windows 2008. EXP must be available now. Some people

Technical System of Trojan Detection from the perspective of vulnerability Attack Process

Flashsky Currently, there are four steps to take advantage of the vulnerability, including Trojan Horse mounting. 1. Vulnerability triggering 2. Vulnerability Exploitation 3. execute SHELLCODE 4. DOWNLOAD/virus/Trojan/backdoor DOWNLOAD execution Of

Simple Analysis of ARP spoofing in LVS Environment

I encountered a problem today. My colleague asked me how to prevent arp spoofing In The LVS environment. I am not very familiar with LVS. So I went to the whitehat group to ask questions and read the LVS information, make a simple analysis and

TIPS: Dynamic ARP detection to prevent man-in-the-middle attacks

ARP is a double-edged sword for the network. On the one hand, ARP is an indispensable protocol in network communication. It is like a programmer, which determines the data transmission path to a certain extent. On the other hand, it is easy to be

Solutions for serious CPU usage of ESS & EAV

From waiting for s blog ESET anti-virus software has always been known for its low resource usage and low CPU consumption. However, many friends (especially friends in mainland China) have responded that ESS & EAV has serious intermittent CPU

Winamp VP6 content Parsing Stack Overflow Vulnerability and repair measures

Affected Versions: Nullsoft Winamp 5.xVulnerability description: Bugtraq id: 42591winamp is a popular media player that supports multiple file formats. The vp6.w5s component of Winamp has the stack overflow vulnerability when parsing malformed

Bin-format shellcode to vb (bin2vb. vbs)

If (lcase (right (wscript. fullname, 11) = "wscript.exe") thenWscript. echo "Execute it under the cmd.exe Plz! Thx ."Wscript. quitEnd if If Wscript. Arguments. count = 0 ThenUsage ()Wscript. quitEnd If Function ReadGif (sStr)Dim I, iHex, sPath,

QuickTime QTPlugin. ocx control _ delealed_punk parameter verification vulnerability and repair

Affected Versions: Apple QuickTime Player 7.6.7 (1675)Vulnerability description: Apple QuickTime is a popular multimedia player. QuickTime ActiveX Control (QTPlugin. ocx) implements IPersistPropertyBag2: Read (1000E330) to process the received param

Anti-theft code and anti-fraud techniques

Scammers:1: When you were playing with your dreams, someone suddenly asked you to guess who he was. This is an old scam and you don't know him. It's not that boring if your friend is looking for you, you can also shut down a strange letter for a few

Powerful anti-ddos shell script

Author: Gao Jinbo The server has been under DDOS attacks for the past few days. Currently, only IP address sources can be blocked for the time being. It is a nightmare to manually add IP addresses without changing the source. I thought of a way to

Log on to the system as a system account to delete files

I installed the system two days ago and thought Windows 7 was almost mature. So I am ready to try it out. Unexpectedly, some original files on disk D do not have the permission to be deleted, and only the System has the permission to delete the

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