Use IP Address Spoofing to break through firewall deep technical analysis

FirewallAfter in-depth analysis and research, the technology can be implemented by exploiting the vulnerabilities set and implemented by the firewall.Attack. Under normal circumstances, effective attacks are carried out from the relevant subnet,

Is it necessary to use a minimum password with a length of 14 characters

More and more security experts say that the password should exceed 14 characters to prevent brute-force password hacking tools. However, for most enterprise user groups, this seems a little too demanding. There is a reason for the password length,

The QR code of the train ticket is encrypted and no private information is disclosed.

On the 4th, the reporter learned from the railway department that after the Spring Festival holiday, the real-name railway ticket system will continue to be implemented. The two-dimensional codes on real-name tickets worried by some people are

Ultimate linux password cracking (1)

I have been writing articles related to linux for a long time. As a pseudo-technology developed by O & M personnel, I think linux is a future trend. Therefore, the first step of linux Password security is crucial, this article describes the linux

Some ideas from the background to webshell

1. asp + acc/mssql ProgramIt mainly uses the "backup database" or "Restore database" function of the access database in the background, and does not filter variables such as "backup database path". As a result, any file suffix can be changed to asp,

In-depth exploitation of IPB2 Injection Vulnerability

In the previous article "PHP + MySQL injection and export file discovery-vulnerability exploitation with IPB2", the IPB2 injection vulnerability was used to obtain administrator information, and COOKIE modification to obtain front-end management

Attack ASP.net website instance

Today I went to a talent recruitment website and I am very interested in their recruitment system. At the end of aspx, it seems to be a. net program. will such a website have any vulnerabilities? By the way, open a message

Successful anti-spam teams started with good planning

Some people are proud to know some surprising statistical figures, who will continue to get statistics on some things through various channels and then publish the data. Currently, the ratio of spam to normal emails on the Internet has become one of

Standard SQL Injection intrusion statements

1. determine whether there are any injection points; And 1 = 1 and 1 = 22. Generally, the name of a table is admin adminuser user pass password ..And 0 <> (select count (*) from *)And 0 <> (select count (*) from admin) --- determine whether the

Comprehensive Prevention of Spam

INTERNET-based applications bring great convenience to people's daily work and life. This is the main reason why networks can be widely used now. Through online shopping, chat, entertainment, and email, we can improve our communication efficiency. e-

SMTP Security Manual-Sendmail server security

Sendmail is the most widely used email sending/receiving proxy in Unix environments. Because the Sendmail mail server is powerful and complex, the following work is required to ensure the security of Sendmail.1. Set Sendmail to use "smrsh"The smrsh

Analysis and Summary of causes of Web site crash

There are many reasons why the Web site may not work properly, which makes it difficult to check all problems systematically. The following will analyze and summarize the most common problems that cause the Web site to crash. If you can solve these

Can the new verification technology eliminate Spam?

In the past few years, eliminating spam seems impossible to win. However, with the continuous efforts of people, the promotion of new technologies may be a weapon to prevent spam and web counterfeits from spreading everywhere. For example, a team

Static webpage encryption using Javascript scripts

I saw someone asking about static webpage encryption two days ago and wrote this code. Ideas: Encryption:First, encrypt your key A with md5 to B, then use the unique B or source file S0 to get the target file S1, and store S1 in the js

Rogue software types and definitions

Category Definition Intrusion into the image Advertising software Programs that download and install, or bind with other software, and advertise through pop-up ads or other forms of commercial advertising without the user's

Blog intrusion is too simple four major vulnerabilities intrude into blog

  Vulnerability 1: database download Vulnerability Step 1: Search for Attack Targets Open the search engine and search for "pridentified by Dlog". You can find many blog pages that are created using the "Dlog broken ruins modified version. We are

Security design and configuration in ASP. NET2.0 and IIS6.0Web applications (1)

Web applications are one of the most common applications of the Internet. Therefore, it makes your network vulnerable to intrusion, which may lead to theft of sensitive data, tampering of data, or even threatening the security of the system.

Recommended 11 rogue software cleanup tools necessary for surfing the Internet (1)

According to the survey, more than 95% of Internet users have been attacked by rogue software, of which more than half have not been successfully uninstalled. Although rogue software is not a real virus, it forcibly pops up advertisements, hijacks

Anti-tampering (1)

External Websites are exposed to the Internet because they need to be accessed by the public. Therefore, they are prone to attacks. Although existing security measures such as firewalls and intrusion detection are available, the complexity and

Integrated Security Defense Trend

Bkjia.com comprehensive report] the increasing security risks not only put down the firewall, but also put down the anti-virus system. Charles Kolodgy, research director of IDC security product service, said: "Traditional malicious program Detection

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