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Software Functionality Revealed in Detail
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 dns query


My Network Engineers are Talking about Implementing Split DNS. What Does that Mean?
You have heard that something called split DNS can speed up websites. What does this mean and how does it work?

dns query  user. When the external DNS server recognizes a customer query from the Internet, it performs the public DNS lookup as usual, finding the site through its client mappings to the Internet root DNS servers. When the external DNS server receives the response, it forwards the request to the website, which in turn returns it to the requesting customer's desktop, via the Internet. If you put BIND on the firewall, you can put the functionality of the external DNS server on the firewall, which is a way to achieve

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Software Functionality Revealed in Detail

We’ve opened the hood on every major category of enterprise software. Learn about thousands of features and functions, and how enterprise software really works.

Get free sample report
Compare Software Solutions

Visit the TEC store to compare leading software by functionality, so that you can make accurate and informed software purchasing decisions.

Compare Now

Documents related to » dns query

Vulnerability Management Buyer’s Checklist


Choosing a solution for vulnerability management (VM) is a critical step toward protecting your organization’s network and data. Without proven, automated technology for precise detection and remediation, no network can withstand the daily deluge of new vulnerabilities that threaten security. This 12-point short list of considerations can help you determine what solutions will work best for your organization.

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E-mail 101


The first e-mail programs were created in the late 60s/early 70s—simpler times, when everyone on the network was trustworthy. Even knowing what we know today about spammers, we still tend to take e-mail for granted, and trust it far more than it deserves. Learn about the components of the e-mail system, understand how e-mail moves on the Internet, and find out how to interpret e-mail message headers.

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Business Intelligence Status Report


Spurred by government mandates for more business transparency, business intelligence has emerged to extract information from ERP systems. How has BI emerged? What does the terminology surrounding it mean, and what is its current state of affairs?

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Syncsort Sigma Manages Database Aggregates


Syncsort, a software vendor with years of experience in the sorting of data, has released a new product called Sigma™, which is designed to produce aggregated data within data warehouses to improve response time and reduce database load. The importance of aggregation in a data warehouse cannot be underestimated.

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Analyse This


Enterprise applications have long been providing the means for businesses to collect required data and deliver it to the right people. Now that sales and marketing professionals are empowered with the right tools to better serve their customers and gather insights on all customers' interactions, the question to ask is what's next? We see the answer in a tight integration between Enterprise applications and Analytics.

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Cache Poisoning Raises Cash Crop for DNS Pharmers


To understand the power of cache poisoning and pharming, imagine that you’re logging on to your Internet banking service. The page looks a little odd, but the address is correct, and it has the same fields as usual. You might enter your credentials without thinking twice. Unfortunately, you’ve just provided a criminal syndicate with the contents of your bank account.

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Secure DNS/DHCP Management-An Integrated Solution


Dynamic Host Configuration Protocol (DHCP) has been adopted as the dynamic protocol of choice for pain-free management of network resources. The integration of the Domain Name System (DNS) and DHCP into a single network helps overcome traditional barriers to effective resource allocation. Indeed, combining DNS and DHCP enhances information security, thus providing a solution your organization can grow with.

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Tempest Creates a Secure Teapot


Tempest Software has announced the release of TMS (Tempest Messenger System) version 3.1.1. The product allows suppliers and customers to query corporate databases without any direct access to the actual web or database servers. A firewall is placed between the Internet and the internal systems and the firewall is configured to allow no incoming traffic. This product should prove to be a great annoyance to hackers everywhere.

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A Definition of Data Warehousing


There is a great deal of confusion over the meaning of data warehousing. Simply defined, a data warehouse is a place for data, whereas data warehousing describes the process of defining, populating, and using a data warehouse. Creating, populating, and querying a data warehouse typically carries an extremely high price tag, but the return on investment can be substantial. Over 95% of the Fortune 1000 have a data warehouse initiative underway in some form.

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Ask the Experts Question: Do Organizations Really Need a Physical Data Warehouse Structure?


We recently had a question from one of our readers (through our Ask the Experts page) discussing QlikView’s approach to data collection. Reader’s Question “QlikView says its innovative way of collecting data and not needing a physical data warehouse (DW) structure is the right thing to do in DW/business intelligence (BI) solutions. Can one expect to build a sustainable / scalable corporate

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