About DNS Cache Poison

Editor's note: this is already a cutting-edge article. Author: strong winds After a cool weekend (I usually don't go online in my spare time), I ran back and saw that there were still overwhelming DNS vulnerabilities on the Internet. There are too

The cyber law enforcement officer has come to the rescue team.

To improve the management and maintenance efficiency of LAN networks, I believe many network administrators will choose professional tools like network law enforcement to manage networks, by using this tool, the network administrator can

FTP server permission prevention

Compilation: there are many other ftp server software besides serv-u. Try other software. Many movie websites, forums, or other organizations allow users to upload movies or exchange files to facilitate Member or member uploads, because only this

Basic knowledge and defense methods of rootkit

Many people think that rootkit is used as a tool to obtain the root access permission of the system. In fact, rootkit is a tool used by attackers to hide their traces and retain root access permissions. Generally, attackers obtain root access

Cracking vro accounts and password instances

Although I have introduced some methods in my previous articles about how to crack the account and password of the Internet cafe router, many cainiao friends asked me: how should I crack the vro password? How do I create port ing on a router when

Windows XP Account Security

It is not easy to protect your account. Some Careless users set the account password too short, do not change the password for a long time, and so on are important killers that affect account security, but now we are technically limiting the usage

Solution to a DOS event

0. analysis process First, the types, features, and attack methods of DOS are analyzed. Using netstat-na | grep SYN_RECV | wc, we found that there are a large number of SYN_RECV status connections, and the source addresses are all forged. netstat-na

Windows permissions and security issues

Author:Thorn Let's review an article I wrote six or seven years ago. The real time is no longer enough because I forgot it. At that time, I wrote this article for the purpose of learning and researching.NT PermissionsBut I didn't proceed

Mining information from listener logs

When you mention logs, you may suddenly think of operating system logs and database logs, but today we will not talk about those logs. Today we will talk about Database Listener logs, which record all operations on the listener, including successes

Internet cafe instance: LAN Solution to ARP attacks

In a LAN, ARP is used to convert an IP address to a layer 2 physical address (MAC address. ARP is of great significance to network security. ARP spoofing is achieved by forging IP addresses and MAC addresses, which can generate a large amount of ARP

Ten Tips for ensuring vro Operation Security

The vro operating system is as vulnerable to hacker attacks as the network operating system. Most small and medium-sized enterprises do not employ router engineers and do not outsource this function as a required task. Therefore, network

Not afraid to crack clever creation of QQ Security Password

Users often forget their passwords. In order not to forget the password, they just use some simple information to create the password, such as using the dog name, son name and birthday, the name of the current month-or anything that helps them

How to defend against toxic DNS attacks within 30 seconds

Domain Name SystemA new vulnerability found in Domain Name System may expose millions of computer users to DNS attacks, however, we provide a simple and quick way to increase the system's defense against such attacks within 30 seconds. Hackers can

Remove the bundled plug-ins from the program

We use a lot of free or shared software when using computers, and these software will be more or less bundled with some junk plug-ins, although many software will prompt whether to install these plug-ins during installation, however, the existence

Unfortunately, the local files in IE7 can cross-origin with ajax.

Surging clouds For exampleFile: // D:/soft/develop/env/sites/www.a.com/test.htmlThe code snippet is as follows:......Var xhr = new XMLHttp ();Function postURLRet (url, data ){If (xhr ){Xhr. open ("POST", url, false );Xhr. setRequestHeader

Teach you how to set wireless ADSL cat Security

With the promotion of ISPs such as China Telecom, wireless ADSL cat is widely used in many households, SOHO and office users. Wireless ADSL cats are increasingly exposed to security factors while facilitating the establishment of users' networks.

Attack and Defense: Do not make vrouters a hacker.

Network administrators always have a headache for malicious terminal intrusion when ensuring internal network security. For example, in the most common Internet cafe system, in a region controlled by a router, it is very likely to be attacked by

Security Protection: four methods to Block 0-day Vulnerabilities

Source: People's Network The latest 0-day IE has affected Microsoft's entire system, and no patches are currently available. Microsoft recently released a security bulletin to guide you on how to temporarily block this vulnerability. The

Analysis on four elements of terminal security protection

Terminals-desktops and laptops-are your tools for most business operations. Unfortunately, computer terminals are increasingly vulnerable to security threats. These security threats include phishing attacks, spam, viruses, worms, root kits, key

Next, 40-bit MD5 Encryption

Related Articles: http://www.bkjia.com/Article/200811/30646.html Compared with 32-bit MD5.asp and 40-bit MD5.asp files, the 40-bit encryption can find out the regular pattern, and we can also obtain 48-bit encryption. First read 32-bit encryption:

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