Build your security line in five minutes

You may still be unfamiliar with the reference to "Hacker Eliminator", but if you mention the popular "LockDown 2000", you will be familiar with it, "Hacker Eliminator" is actually a new version of "LockDown 2000. With the "Hacker Eliminator", we

Anti-ddos tool: FATBOY temporary solution

AngelBST Source: Security angel As we all know, there are currently no technologies and devices that can completely defend against DDOS attacks. I have written a code for temporary relief against FATBOY's working principles to effectively defend

Asp code for CC Attack Protection

Source: fhod When you encounter a CC attack, put the following code into conn. asp. You can study the principle on your own. Dim fsoObjectDim tsObjectDim fileIf Request. ServerVariables ("HTTP_X_FORWARDED_FOR") = "" thenResponse. write "in system

Apache2.0.54 detailed configuration for preventing unauthorized connections

Source: Perls Blog To enable apache anti-theft connection, you must first enable apache to support. htaccess client setting files and add the mod_rewrite module. The following is my compilation and installation process.1. install apache and add the

Tips to prevent illegal intrusion into Win2000XP

This article describes seven steps to prevent illegal user intrusion in Windows 2000 and Windows XP operating systems ".Step 1: Screen Protection After screen protection is enabled in Windows, the system automatically starts the Screen Protection

How to kill and prevent ASP Trojans

How to kill and prevent Trojans [Figure] First of all, I would like to thank the "hackers" who did not erase them during the development of the Internet. The quotation marks here do not demean anything, but refer to those who are really proficient

Thoroughly understand the trojan principle and put it in the cradle

Many new users do not know much about security issues, so they do not know how to clear trojans on their computers. Therefore, the most important thing is to know the working principle of the "Trojan", so that it is easy to find the "Trojan ". The

Best security practices: locking IIS and SQL Server

Microsoft's IIS and SQL Server are usually the main part of the Windows-based distributed application environment. This means that they are also the most frequently attacked targets. In this article, we will provide some specific suggestions to

Preventive measures against hacker attacks

  Abstract firstly, this paper briefly describes the existing security problems in the computer network, analyzes the process of hacker network attacks, and puts forward specific measures to prevent hacker attacks.Keywords hacker TCP/IP protocol

Basic knowledge about Vulnerabilities

  The word "Vulnerability" is everywhere in McAfee Labs's threat warnings. Such descriptions are common, whether a "Vulnerability" is found or "Vulnerability" exists in some versions. So what is a "vulnerability "? A vulnerability is a program error

Heap block double release vulnerability debugging skills

  Tip 1:     Disconnection:   Bu 3440D279 ". if (1) {. echo EnterVulnFunc; gc }"   Bu 6e0000b6c ". if (1) {. echo Free heap block; dd esp l4; gc }"       Output result:   EnterVulnFunc   Free heap block   0011bc5c 3441e2a2138f00203b906313 10027b64  

Some Suggestions on linux ftp server security

The following describes how to set the ftp Security suggestions In debian.  1. We recommend that you use a virtual account, and the virtual account cannot log on to the terminal (/sbin/nologin ). ) 2. the ftp password must be more complex. If ssl is

IIS7.0 malformed parsing 0day

Merge a PHP sentence image horse first. The merge method is as follows: ① DOS merge: copy 1.gif/B + 1.txt/ a asp.gif ② Use edjpgcom to merge images and one-sentence Trojans, Find any image. [Here's how to use edjpgcom: Open the folder where edjpgcom.

Android security-activity hijacking

1. Introduction to activity hijackingSee the original article published on the DEFCON-19Https://www.trustwave.com/spiderlabs/advisories/TWSL2011-008.txtWhen android is running, it will switch between multiple activities. It maintains the history

Deploy the Sendmail network, so that security is not leaked (on)

SendmailIt is an old mail server, but it still has various problems. The biggest problem is security. As the Sendmail mail server occupies a large market share, it is especially important to improve the security of Sendmail.This article discusses

A piece of Nginx configuration security reinforcement sharing code

The following is a piece of NGINX configuration code, which has a simple comment.Everyone should remember the principle that the directory that can execute php programs must not allow read and write permissions, but the directory that can read and

Capture administrator hash values

This day, When I captured hashdata, I found that gethashes.exe is not easy to use. In addition, I tested several other things and it was not easy to use...Similar to Windows hashs'. Some useful tools include pwdump7.exe1_gethashes.exe1_saminside.exe,

Linux RPC Statd service vulnerability repair

We have recently learned how to fix vulnerabilities in linux!RPC Statd service RPC dangerous level: highDetected host ###################################### ####################Vulnerability No.Vulnerability classification RPCHigh risk levelAffected

IIS6 colon Upload Vulnerability

Test conditions: Asp script The uploaded file will not be renamed. Only files with the suffix .jpg can be uploaded. Exploitation: Upload a jpg Trojan file named cs. asp:. jpg. Note: by default, files in windows are not allowed to contain the

One-time password login mechanism

What are the popular sniff, colai listeners, or social engineering attacks? What should we do? It is so insecure to fix a password, it is very simple and practical to understand the one-time password mechanism that has existed in freebsd for many

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