12 symptoms and solutions for modifying the registry on a malicious webpage

Recently, when users browse webpages, the Registry is modified, by default, IE connects to the home page, title bar, and right-click IE menu to the address when browsing the Web page (mostly ad information and other annoying information ), in

Beware of attacks by hackers through port scanning

Apart from IP detection, the hacker also has a port scan. Through port scanning, you can know which services and ports of the computer to be scanned are opened but not used (it can be understood as a channel to the computer ).I. Port Scanning It is

Easily find a table that stores the user name and password

Source: Zhongguancun online Not long ago, a netizen posted a post on the "World of network administrators" Forum about the management software running by the netizen. The database of the software uses SqlServer2000, because the system is not used

Mining Security tunnels to VNC

Author: assassin Microsoft Article Source: hacker line I believe many readers like to use remote login to remotely access the server. The remote login server and client may be different, either Microsoft Terminal Service or PCAnywhere, I believe

Identify and track DOS attack sources using cisco commands

One of the biggest challenges ISP faces today is tracking and blocking denial of service (DoSattacks ). there are three steps to deal with DoS attack: intrusion detection, source tracking, and blocking. this command is for source tracking.1.

The pride of traditional operations! Anti-Virus elites under the command line

As early as a few years ago, some precognition netizens lamented: How can a person not win a bid if they are online. Nowadays, computer tricks have become commonplace. Anti-virus software and firewall are naturally indispensable in the face of this

New term-Ransomware

First, let's list some common security-related Hall of Fame that everyone knows: VirusWorm-WormTrojan-Trojan HorseFalse virus-HoaxPrank-JokeBackdoorSpyware-SpywareMass mailing virus-Mass MailerBotnets-BotAD software-AdwareMalicious Code/script/code-

Nine technical measures for Intranet Communication Security

Intranet is a major component of network applications, and its security has been paid more and more attention. According to incomplete statistics, 15% of the investment in building an intranet outside China is used to enhance the network security of

Ten defense strategies to address the challenges of Enterprise Intranet Security (1)

Almost all enterprises have paid more attention to network security. They have successively purchased firewalls and other devices to block security factors from the Internet. However, Intranet attacks and intrusions are still rampant. Facts have

[Adapted Version] smashing the stack for fun and profit part1

Introduction For example, syslog, splitvt, sendmail 8.7.5, linux mount command, xtlibrary, and many other software have problems such as Buffer Overflow (bo ). This article explains how to use bo attacks. Read: Assembly, virtual memory, and gdb

Disguise Nginx, hide Nginx and PHP versions, and improve server security

Sometimes, when we look at some sites to know what version of the web server is used by others, we find that the version number is not displayed, and even the WEB server has changed, you can use the following methods to hide the version numbers of

How Intranet security technology prevents illegal access

ARPIs a protocol that converts an IP address into a physical address. There are two ways to map IP addresses to physical addresses: Table and non-table. ARP is to resolve the network layer IP layer, that is, the layer 3 of OSI, to the MAC layer of

MySQL (Linux) remote database Elevation of Privilege Vulnerability

Let's make up the words: Kingsoft has done it again. The vulnerability was released on Seclist in December 1. The author tested successfully On Debian Lenny (mysql-5.0.51a) and OpenSuSE 11.4 (5.1.53-log), and added a MySQL Administrator account

In some places, Intranet security is people-oriented.

Bkjia.com exclusive interview] The intranet is the most core and confidential platform of the enterprise network. The security of the Intranet not only affects the security of enterprise information, but also is a key issue to ensure business

Linux security configuration steps (1)

I. Disk partitioning1. If the system is newly installed, consider the security of Disk Partitions:1) root directory/), user directory/home, temporary directory/tmp) And/var directory should be separated into different disk partitions;2) the disk

Security of Linux and Unix Dynamic Link Libraries

In fact, all program execution depends on the database. In most modern Unix-like systems including Linux, the program uses dynamic Connection Library DLL by default) for compilation. In this way, you can update a database. If possible, all programs

Top 10 taboo services in Win7 to ensure system security

I believe that you are very familiar with the name of Windows 7. Apart from inheriting and surpassing the beautiful UI of vista, it also features user-friendly taskbar and XP compatibility, it is a really good operating system in the world today. In

0-day vulnerabilities are exploited to store USB flash drives.

The so-called 0-day vulnerability actually means cracking. The earliest cracking was targeted at software and later developed into games, music, movies, and other content. In the sense of information security, 0-day refers to the vulnerability

Teaches you how to perform initial configuration installation for Nagios 3.0

NagiosYou can use snmp, nrpe, and nsclient to obtain information. More importantly, you can use the latter and use its powerful plug-in module. Cacti Uses snmp and does not need to install an agent. It is generally used to monitor network traffic.

OpenSSL: The best ssl tls encryption Library (1)

The purpose of the OpenSSL Project is to develop a robust, full-featured, and open-source application for SSL v2/v3Secure Sockets Layer through the spirit of open-source cooperation) and TLS v1Transport Layer Security. This project is maintained by

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