Three steps to block the threat of SQL injection of Web sites

What is SQL injection? Many web site programs in the writing, the user does not have to judge the legality of input data, so that the application has security problems. Users can submit a database query code (usually in the browser address bar, through the normal WWW port access), according to the results returned by the program to obtain some of the data, which is called SQL injection, that is, SQL injection. Website Nightmare--sql Inject SQL injection to modify the Web site database through a Web page. It can be directly added to the database with administrator privileges ...

The unsafe factors of Oracle8 and some explanations

As an outstanding representative of the Object relational database, Oracle is undoubtedly the most powerful. Whether it's the size of the database, the support of multimedia data types, the parallelism of SQL operations replication, or the security services, Oracle is much stronger than Sybase, Informix, Added to the latest version of the Oracle8.0.4 is to enhance the characteristics of this, but also introduced a number of new features, such as: Data partitioning (partitioning), Object-relational technology (objects relational T ...

How to prevent Web site database intrusion

Sohu, 163, Yahoo, etc. are often frequented by internet users of large portal sites, these sites provide search engine services are most favored by everyone. But it is precisely these search engines for hackers to open the door, many hackers can use the search engine easily get a Web site database, so that the site's management account and password, and can control the entire site management rights. As a result, some confidential documents stored in the database that only administrators can see are leaked. In fact, through the search engine intrusion site process is very simple, understand the intrusion method, you can know such as ...

Open source software development and software security issues (1)

A discussion about Microsoft Windows and Linux based operating systems is sweeping the internet. The discussion involved many people with vested interests and partiality. The discussion was heated by the confusion of the discussion due to the lack of understanding and misunderstanding caused by logic mistakes. The demand for advertising strategies is expected to give the sponsors more attention, and the use of collated statistical data in the allocation of papers is too obvious authority and objectivity to support the discussion with prejudice and questionable facts. Part of the reason for this lack of certainty is that the debate seems to be never-ending, partly because of the safety of ...

Run virus scanning software on the same computer as SQL Server

If I need to run virus scanning software on a machine running SQL Server, what do I do without impacting performance? This depends on the type of virus scanning software that you want to run. There are currently three types of virus scanning software-active virus scanning, virus cleanup, and vulnerability scanning. Active virus scanning software we recommend that you use active virus scanning for the following SQL Server usage scenarios: run on the internet. Read and execute files from other servers. Run an HTTP server, such as Microsoft Internet in ...

Protect against SQL Directive implantable attacks

What is a SQL directive implantable attack? When designing or maintaining Web sites, you may be concerned that they will be maliciously attacked by some despicable user. Indeed, today's web site developers are talking too much about the security of their site's operating system platform or WEB server. Yes, security vulnerabilities in IIS servers can lead to malicious attacks, but your security checklist should not only have IIS security. Some code that is typically specifically for data-driven (Data-driven) Web sites ...

Six measures to maximize wireless network security

The purpose of reasonable protection of wireless access points is to isolate the wireless network from outsiders who are not authorized to use the service. It is often easier said than done. In terms of security, wireless networks are often more difficult to protect than fixed wired networks because of the limited number of fixed physical access points in the wired network and the use of wireless networks at any point in the antenna's radiation range. In spite of its difficulties, the rational protection of wireless network system is the key to avoid serious security problems. To maximize these vulnerabilities, ensure that network personnel take six measures to protect the wireless network. Planning antenna ...

How to securely configure and apply MySQL databases?

MySQL has become one of the most widely used databases in the current network, especially in Web applications, which occupy the absolute advantage of small and medium applications. It all stems from its compact, safe, efficient, open licensing and multi-platform, and, more important, the perfect combination of--php with one of the three web languages. Unfortunately, a default installation of MySQL, because the root password is empty and the program vulnerabilities caused by the overflow, so that the installation of MySQL server is a frequent target. What is more serious is that the database is often destroyed after the attack, causing disaster easily ...

Security analysis of MSSQL and MySQL

Databases are the basis of E-commerce, finance, and ERP systems, and often hold important business partners and customer information. Electronic data from most businesses, organizations, and government departments are kept in various databases, where they keep personal data and sensitive financial data. But databases are often not as secure as operating systems and networks. Data is the lifeblood of an organization, so it is critical to choose a secure database. I installed the MSSQL and MySQL by default with admin account on my machine to be in the same ...

Why should we pay more attention to wireless network security

Recently, the FBI has proven to people the fact that it is easy to analyze attacks on wired equivalent encryption to gain access to wireless networks that use this security protocol. According to the announcement, Jonathan Yarden is considering a test of the role of security in the wireless network, and based on the results of this test, he will make some suggestions on how to protect the safety of wireless networks. Years ago, in a computer exhibition with a very prosperous network concept unit, I was paralyzed in one now ...

Database server Security

The database server is actually the foundation of every electronic transaction, financial and enterprise resource Planning (ERP) system, and it often includes sensitive information from business partners and customers. Although the data integrity and security of these systems are important, the level of security checks taken against the database is not as high as the security measures of the operating system and the network. Many factors can disrupt data integrity and lead to illegal access, including complexity, poor password security, misconfigured, undetected system backdoor, and mandatory routine use of adaptive database security methods ...

Security precaution of database connection in PB application

With the popularity of the Internet and the continuous development of network technology, the confidentiality requirements of data are more and more high. In the usual server/client mode mis development, because the program to maintain the connection with the database server, for the flexibility and extensibility of the program, the join parameters (user ID and login password) can not be written in the program death (in fact, writing death is not a good way), There are two kinds of general methods: one is to store the join parameters in the registry, and the other is to read the INI file directly. And the safety of several methods are not very good, give people the opportunity. Myself...

Suppress Windows2000 last logged-on username

If you work in an environment where you need to be aware of security, you may want to prevent Windows 2000 from displaying the default settings for the last logged-on user name. Because it is sometimes easy to guess the user's password based on the username and the environment in which he logged in. Windows 2000 has a graphical user interface to help you solve this problem, which is much more secure than modifying in the registry. Follow these steps: First log on to the system with local administrator, then go to Control Panel, select the "admin Tool" in the, and select "Local Security Policy"-"expand ..."

Access database Security Reverse Download

See an article on Access database security again today, every time I see this article want to say two, popular saying there are several: first, the password to the database a random complex name to avoid being guessed to be downloaded, this way in the past very popular, because everyone is very confident of their own code. But as the error prompts the database address to cause the database to be illegally downloaded, this way also less and more people use. This approach, has been rarely used, in addition to the security of the less knowledgeable programmers, although few, but still will encounter, such as a few days ago to see the properties of the site. Two...

Analysis of Rogue software "3448"

This is a virus written using [Borland C + +]. When the system is infected, opening IE or other browser start page is tampered with as hxxp://wxw.3448.c0m/. Viruses protect themselves by using API hooks. Download and execute through other malicious programs or downloads, using random file names to achieve the masking filename cleanup mode. Virus runs after the following behavior: First, the virus by modifying the Registry softwaremicrosoftwindowscurrentversion u ...

Chat security two not mistaken IM software security Raiders (1)

QQ, MSN and other IM chat software in addition to Internet communications, but also widely used in local area networks, schools, companies and government agencies and other internal personnel exchanges. As an information communication tool, the information security in the transmission process becomes more and more important. However, QQ, MSN Information Transmission security is not very satisfactory, attackers can use sniffer software to get all the MSN accounts in the same LAN, more dangerous is all the QQ, MSN information in the LAN transmission will be recorded, if the content of important information or privacy content, The consequences will be disastrous. Of course...

How to download Oracle patches quickly

We first get the download server address, on the HTTP page has ftp://updates.oracle.com and then use FTP login, username and password is metalink username and password as we know the patch number 3095277 (9204 of the patch set), then FTP > CD 3095277 Changed directory OK. ftp> ls PORT command OK. Opening da ...

The best way to prevent software cracking with distorted transform encryption

First, generally speaking, encryption is the shell we often consider, an executable file, how to encrypt to be safe? The usual means is the Packers. The working principle of the Shell tool is to encrypt the code and data of the executable file as data storage. The generated target file entry code is the anti-trace code prepared by the Packers software. After a long code, the code of the original executable file and the Data section restore, and then jump to the original entrance, continue to run. The disadvantage of this is that no matter how strong your encryption, anti-tracking code more cattle, as long as a running, in ...

Attitude to rogue software eat coated to hit back (1)

November 14, rising officially launched the "Rising card card Internet Security Assistant 3.0" to the industry to provide free of charge can thoroughly eliminate the current popular more than 400 kinds of rogue software, and network terminal system to strengthen and immune system. 24 hours later, rising and announced that some of the rogue software began to take more bad behavior to avoid the "rising card 3.0" of the Killing, one named "my123" rogue software has completely become a vicious virus, and crazy to make a variant of the virus to escape the "rising Card 3.0" to kill. According to rising judgment, the rogue software already has the virus ...

Remote to steal ADSL account is so simple

ADSL as a broadband access mode has been accepted by the majority of users, now some users have many computers at home, through an ADSL router dial-up Internet, so that the full use of bandwidth, for the home has more than one computer to share the Internet users, generally through the establishment and configuration of proxy server to achieve shared access to the Internet, The disadvantage is that the host must be open to achieve sharing, another effective way is to use the router to achieve sharing, so that each client can access the Internet, the disadvantage is to acquire expensive routing equipment. In fact, some ADSL modem itself with routing work ...

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