Network construction

Few compared to the potential threat of SQL Server passwords to judge



No password testing program

When conducting the test, began to try to crack the code directly would be a big mistake. Whether you are testing locally or via the Internet, I strongly recommend that you get permission, and that an account was locked after the rollback plan. Finally you have to do is to ensure that the account is locked, the user can operate the database and connected applications will not work correctly.

Microsoft released Exchange Server 2007



Aug. 15 message, Microsoft has released the first Exchange Server 2007 Service Pack (SP1) preview version, in this large-scale upgrades, Microsoft's latest e-mail server the software and other so-called unified communications products more closely tied together.

When the SQL Server database crash how to restore?


Any database system can not prevent the collapse of the state, even if you use the Clustered, Hot Standby ... ... still can not completely eradicate the system of single point of failure, let alone for most users, can not afford such expensive hardware investments. Therefore, when a system crash, how to restore the original data is a valuable extremely important issue.

Intranet FTP server set up are not completely resolve


First mentioned here refers to the internal network of Internet cafes within the general environment within our network of local area network I have nothing to say, willing to spend money to DNS0755 Okay. A basic condition: a public network IP, Gateway has operating rights on.

What is a rack-mounted servers



As designed for the Internet server mode, rack server is an appearance design according to uniform standards of servers, with the use of cabinet unity. Can be rack optimized structure is a tower server, which is designed primarily to minimize the space occupied by the server, and to reduce the direct benefits of space is managed in the room when the price will be much cheaper.

Wireless routers in the home FAQ Xiangjie



Wireless routers in the home application is comprehensive, but also a lot of problems, here introduced common solution to the problem. Now has become the home wireless router, wireless and Internet applications to share the mainstream, on the use of the wireless router is also a lot of users are very interested in the following, we will select some of the more representative of the wireless router problem, elaborated its failure to solve your way, hope you can comprehend by analogy.

Intelligent Community broadband operation program



With the real estate market, stir-fried, new residential quarters everywhere, these emerging modern district has generally done in the broadband access, real estate companies have to increase the property's value is. However, only residential broadband Internet access provider to pay the cost of leased lines, while a household's broadband network provider, needs to use the network to collect subscription fees, so how convenient for the management of these households is the residential broadband network operators very concerned about.

Intelligent cabling management system on the stage



Applications development for the birth of great potential

The birth of intelligent cabling system background? To what the current stage of development? How much space? Just been of concern to intelligent cabling system, these issues need to tell us.

On the new SQL Server 2008 enterprise-class features



SQL Server 2005 based on a thorough, enterprise-oriented improvements after, Katmai has brought large-scale deployment of very compelling features, such as the database engine data and backup compression, sparse columns, compression and filtering index, which function is to save storage space, environmental protection, green; Also, do not forget there is Change Data Capture, the generated data in the table to capture the differences in order to update the data warehouse.

pb libraries of the DDE server function


GetCommandDDE ()
Function by DDE client application to send the command.
Syntax GetCommandDDE (string)

Tough! QQ online chat still not Zhuangkuan Dai



For users who do not Zhuangkuan Dai still there now, how can these people make up the basic online. It had to phone as a modem connection, and that is dial-up it! First make sure you phone launched GPRS.

Three main EJB Container Application Server Introduction



SUN company officially launched after the EJB specification, in many companies and developers has caused great repercussions.

How to assess the availability of your Exchange mail server



Deployment in the enterprise mail server, we sought a primary objective, that is, Exchange mailbox server availability. Popular to say, is how to reduce mail server downtime. Ensure corporate mail servers, failure-free operation, we mail management responsibilities. However, on a Teenage moon and new moon days, unpredictable things can happen, mail server, there will be a time when sick. Therefore, mail server deployment, we also need to assess the availability of mail server to see what are its risks and may reduce the availability of mail servers.

SQL Server 2008 Analysis of the subtleties of



Installation

SQL Server 2008 setup and installation have been improved. Configuration data and engine spaces separately, so it makes the system is not configured to create a basic disk image becomes possible, and it enables distribution to multiple servers becomes easier. From Microsoft's site can also find the latest updates available to install. Another feature is the ability to install SQL, SP and patches to make a single step carried out. Another of the last feature is the ability to uninstall the SP.

Cabling Distribution System Development and Application


Patch panel cabling system as the core product, plays a flexible transmission signal transfer, flexibility in the allocation and the role of an integrated and holistic management, and because the greatest characteristics of integrated wiring system is to use the same interface and the same transmission medium, so that all transmission of different information in the above, and this characteristic to achieve the main distribution frame through the connection between different information jump over to complete. Here are some commonly used distribution frame and the practical application of the reasonable match between them the late eighties, integrated wiring system has just entered China, the information transfer rate was very low, only three types of wiring system (16MHz) products, the main wiring system, skeleton-style patch panels with 110 fish, mainly are 50 pairs, 100 pairs , 300 pairs, 900 pairs of hanging several, and from the main equipment room of the main distribution frame to the distribution line between the patch panel points, whether connected or the connection level backbone cables, patch panels used in all such fish skeleton .110 type patch panel has the advantage of small size, high density, low cost, mainly 25/50/100 large number of cables supporting the use of the; its drawback is that cable termination is more complicated, one-time termination should not change, no shield products, termination tools more expensive and inconvenient for maintenance upgrades.

Set DNS server address too many issues


Set DNS server address will result in too many servers do not support dynamic DNS error

Many people may have encountered this problem: The DNS domain and Active Directory installation has become integrated mode and started a dynamic update, but every once DC starts total in the Event Viewer system log suggest the following errors:

On the SQL Server replication backward compatibility



Although SQL Server 2008 so far is considered a new version of the database system. But its future will be constantly upgrading. To do this in time to deploy SQL Server 2008, database administrators still need to take into account the issue of backward compatibility. After the upgrade in order to reduce the trouble, the database administrator is necessary to understand this topic. Specifically, it is necessary to understand SQLServer2008 database version, which features a database may in the future versions will be discarded. Then the database administrator in the deployment of these functions, must be cautious. Can not do not have to, or use other functions instead. So that in future the database upgrade process, make adjustments again. I now to data replication, for example, talk about how to do this backwards compatibility.

Three tricks to improve the efficiency of enterprise routers



Core routers and switches connect to the network responsible for the client and server each task, so the actual work process efficiency in the enterprise router directly determines the efficiency of business operations. Federation of enterprise network administrators usually encounter this or that from the router management and maintenance problems, and today I start from personal experience as readers of several effective ways to improve our business by three tricks in the efficiency of the router.

IDC to discuss the server, the security of operations


Server security are narrow and broad sense. Narrow Server Security, is the server operating system relying on security; broad server security, in addition to operating system security, including hardware, security, application security and data security - indeed, as the storage of data, processing requirements of the core, Server security involves many aspects.

Broadband account security threats and prevention methods



Over the past year the rapid growth of broadband users in China, bringing broadband to home users the convenience of communication, but the broadband account theft and other safety problems. ID theft hackers, online consumer broadband to broadband users suffer economic loss, but also to the development of our broadband had a negative impact.

Attention Traps Cisco network routers Jingxian serious flaws



National Computer Network Emergency Response Technical Team Coordination Centre (CNCERT) has released security bulletin, said Cisco security vulnerability exists in three of this vulnerability affects all Cisco devices running IOS. This is the second in April 2004 after Cisco's TCP vulnerability, the first release in three years CNCERT Cisco equipment vulnerability. CNCERT all notice the last three years, mostly involving Microsoft, Cisco alone twice.

Based on PKI / PMI's IP broadband metropolitan area network security


1 Introduction

Ability of network and information security in the 21st century comprehensive national strength and economic competitiveness and viability of the symbol of the future international competition, "killer." At present, China is speeding up the process of national economic and social information, need to be a safe and reliable telecommunications infrastructure network platform, based on various information security applications.

Internet cafes router selection Raiders



In network construction, the router is a very important equipment. For Internet cafes this particular environment, how to choose the right router, often determines the operation and maintenance of Internet cafes. Apply to Internet cafes to choose a router environment, how to improve the operation of Internet cafes satisfaction?

JSP Deep and (1) be familiar with JSP server


Familiar with the JSP server

The "JSP Deep and" series of tutorials is for intermediate and advanced users, it needs the basis of HTML and Java. You will be connected together HTML pages, and will make use of Java for programming. If you do not have this basis, suggest you first lay the foundation for the good. This series of tutorials will be through the development of simple examples to complex examples to teach you JSP. This series of tutorials is to adopt a progressive approach to explain, that is implemented progressively. To enable you to get the most progress, I suggest you re-learning process will own all of the examples of debugging. Examples of starting may be very simple, so the beginning of the particular patient and you do not think that is too simple, skip. If you carefully debugging example, then you will soon know the nature of JSP methods.

Standard SQL Server stored procedure named



The standard blueprint for the stored procedure name used only for SQL internal, when you create a new stored procedure, or found not in accordance with the standard structure of a stored procedure, use this standard.