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 dns resolver


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 resolver  used for. Putting a DNS server both inside and outside your firewall - a technique called split DNS - might give your website a performance boost, however, the key benefit is the added security of not allowing external users the ability to see inside the network. Technology Impact Okay, so you've decided to see what split DNS can do for your website, and now you're ready to implement it. There are many ways to implement split DNS, but we'll examine only one particular paradigm. The implementation can

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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 resolver

Bootcamp for the Pros; Why Ernst & Young Will Lead Security Auditing Standards


Original News & Educational Review Course Summary Ernst & Young, has put together the quintessential course for security engineers looking to improve their ability to protect their organization's website, systems, and network. Dubbed eXtreme Hacking, and carrying a price tag of $5,000 a slot, this course is for anyone but hacks. With an impressive course book that fills a two-inch thick binder, leading Ernst & Young security engineers take you step-by-step through all the ways that bad guys try to subvert your mission critical servers and network configurations. Using dual-bootable NT-Linux laptops, and an accompanying network setup for practicing subversive attacks and exploits, attendees will leave the course with an entire new bag of tools and tricks that help them understand how bad guys identify target IP addresses, collect information about the systems they plan on compromising, and exploit weaknesses without being noticed. The idea is to learn how to figure out what the weaknesses are in your organization's network before the bad guys do.

dns resolver  firewalls to poisoning a DNS cache, the Ernst & Young team clearly understands not just what tools hackers use, but how hackers think. Course Recommendations It's hard to improve upon something that is top-notch already. However, one element that could give extreme Hacking some added value is if they had a life-long learning site exclusively for all the students who have signed up for this course. This could be a private site, that requires authentication, and one that would keep the student updated on Read More

NetBIOS Firewall


How many times do you hear network administrators scream at the top of their voice, "I have spent millions of dollars buying expensive and the best antivirus software solutions and yet every two months, when a new virus strikes, I have my entire network go down!" This is a common complaint you will get to hear from one and all network administrators, primarily because most security vendors today concentrate more on a "reactive" approach to stop virus attacks, than a “preventive” approach!

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Cobalt Releases Linux "Clustering" Software


Cobalt Networks, Inc. becomes the latest vendor to jump on the Linux-cluster bandwagon, but does the software they’re touting really qualify as a cluster?

dns resolver  sun cobalt raq3,sun cobalt qube 3,high availability system,fault tolerant servers,high availability server,server failover,cobalt qube,server load balancing,server hosting,high availability design,high availability solution,cobalt raq550,network load balancing service,dns failover,linux ha cluster Read More

Study Shows: FBI Alienates Industry Security Experts


A comprehensive study done by TechnologyEvaluation.Com has shown that, for years the FBI has been alienating industry security experts. Some of the best industry security professionals want nothing to do with helping the FBI resolve cybercrime. Recently, one of the leading Department of Justice attorneys general, well-known for expertise in successfully prosecuting cybercrime, asked TechnologyEvaluation.Com why so many security and information technology professionals snub their noses at law enforcement agencies that exist to protect our nation's vital assets - private and public. TechnologyEvaluation.Com went behind the scenes to find o

dns resolver  it over through technical DNS manipulations, and uses it for their own, sometimes subversive, purposes. In essence, this is kidnapping a domain name. This Director spent a significant amount of time and resources identifying the perpetrator of the attacks, down to documenting the name, address, and phone number. This information was turned over to the FBI's Wasington, D.C. headquarters office to investigate. The Director justified the case by presenting a considerable amount of evidence that supported Read More

InsideOut Firewall Reporter Unravels the Mysteries of Your Firewall Logs


The most important piece of hardware that protects your network from intruders, hackers, and outside traffic is your firewall. Firewalls process an enormous amount of data, that when converted to useful information, can tell you many things about the packets traveling in and out of your network.

dns resolver  names by querying the DNS, WINS or the Host machine. This helps to overcome the problem of identifying hosts that are assigned DHCP addresses. A Maintenance procedure runs once every 24 hours, which prunes, re-indexes, and compacts the database tables. Error conditions encountered during the maintenance procedure are reported to the Administrator by email. The Cool Reports The best feature that IFR has is its reporting capability. InsideOut's browser-based interface provides more than 150 standard Read More

How to Integrate Active Directory and DNS


The Domain Name System (DNS) plays an important role in providing the information used by the Windows Domain locator service to connect and authenticate with Active Directory. But how can organizations with existing configurations using the Berkeley Internet Name Domain (BIND)—the international DNS benchmark—be sure that migration to other server solutions will yield a dependable DNS solution?

dns resolver  Integrate Active Directory and DNS The Domain Name System (DNS) plays an important role in providing the information used by the Windows Domain locator service to connect and authenticate with Active Directory. But how can organizations with existing configurations using the Berkeley Internet Name Domain (BIND)—the international DNS benchmark—be sure that migration to other server solutions will yield a dependable DNS solution? Read More

2008 Internet Security Trends: A Report on Emerging Attack Platforms for Spam, Viruses, and Malware


Just when malware design seemed to have reached a plateau, new and more complex attack techniques have now emerged. For a while, security controls designed to manage spam, viruses, and malware were working, but as a result of this success, the threats they protected against were forced to change. Learn about today’s key security trends and how you can fight against the sophisticated new generation of Internet threats.

dns resolver  clients Providing fast-flux and DNS resolution Posting blog spam on websites Storm bots can be repurposed as-needed to cycle these attacks. The entire network can be synchronized and coordinated to ensure the spam relates to the Web-based landing pages. ATTACK CAMPAIGNS The open nature of Storm allows the operator to redirect the computing resources and create campaigns by updating the infected systems with new instructions. There are two primary types of attacks the Storm systems conduct: Spam Read More

Caldera eDesktop Edges Out Microsoft Windows 2000 in Functionality - Part II


TechnologyEvaluation.com has completed its analysis of the innate functionality of three desktop operating systems – Microsoft Windows 2000, Red Hat Linux 6.2, and Caldera OpenLinux eDesktop 2.4. The winner is Caldera.

dns resolver  JSP Server SMTP Server DNS Server Caldera OpenLinux eDesktop 2.4, once again, is the market leader in workgroup server functionality. Security The documents, spreadsheets, databases and other files on personal computers used to conduct business are assets. The OS needs to work in partnership with the hardware to insure that this data is kept secure - regardless of whether the PC is on, communicating with another system, or actively using the data. Encryption of files and communication is only a first Read More

OKENA Brews Up a StormSystem that Secures All Applications


OKENA's announcement of their product line StormSystem indicates that they intend to grow and expand their innovative intrusion prevention system with highly integrated new add-ons. Having seen unprecedented success in obtaining funding and customers in one of the worst economies ever, Relevant Technologies expects OKENA to be a leading contender in an intrusion management market that has yet to boast a distinct leader.

dns resolver  network infrastructure servers like DNS servers. An analogy can be made to cars driving down the highway - all drivers are expected to follow certain behaviors that are for the most part predictable. Because drivers follow predictable behaviors, keeping the highways safe is straightforward. If the applications on your network followed predictable behavior patterns, it would improve the ability to more fully automate security. Since StormSystem is one of the most advanced security automation systems, Read More

Evaluating The Cost Of A DDoS Attack


DDoS (distributed denial-of-service) attacks, attempts to make a network resource unavailable to its users, are becoming more sophisticated and destructive, and are on the rise. DDoS attacks don’t just cost your company the annoyance of downtime, but brand reputation, customer acquisition, and of course, sales are all at risk. Read this white paper to find out how to evaluate the cost of a DDoS attack and decide the level of protection you need for your infrastructure.

dns resolver  DDoS attack, distributed denial-of-service, network attack, IT attack, IT protection, network protection, Dyn, managed DNS, Dyn white paper Read More

The 2008 Handbook of Application Delivery: A Guide to Decision Making


IT organizations can no longer manage networks in isolation from the applications they support, requiring a shift from focusing on devices to a focus on performance. But a number of factors complicate the task of ensuring acceptable application performance, including the lack of visibility into application performance. Learn tips to plan, optimize, manage, and control your application performance and improve delivery.

dns resolver  contains applications such as DNS and DHCP that are not visible to the end user, but which are critical to the operation of the IT infrastructure. Recreational This category includes a growing variety of applications such as Internet radio, YouTube, streaming news and multimedia, as well as music downloading. Malicious This includes any application intended to harm the enterprise by introducing worms, viruses, spyware or other security vulnerabilities. Since they make different demands on the network, Read More

Network Data Protection Playbook: Network Security Best Practice for Protecting Your Organization


Malicious hacking and illegal access are just a few of the reasons companies lose precious corporate data every year. As the number of network security breaches increase, companies must find ways to protect data beyond the perimeter of their businesses. But how do they build a data-defensible architecture that will protect data on an ever-evolving network? The answer: by first developing an in-depth defense strategy.

dns resolver  File Sharing Applications C6. DNS Software C7. Media Players C8. Instant Messaging Applications C9. Mozilla and Firefox Browsers C10. Other Cross-platform Applications Top Vulnerabilities in UNIX Systems U1. UNIX Configuration Weaknesses U2. Mac OS X Top Vulnerabilities in Networking Products N1. Cisco IOS and non-IOS Products N2. Juniper, Check Point, and Symantec Products N3. Cisco Devices Configuration Weaknesses In working with customers and security experts, CipherOptics has identified these Read More

Four Reasons to Outsource Your DNS


Do-it-yourself projects are great and can save you money, just not when it comes to doing your own DNS. With someone else managing your DNS, you can improve your own workflow since you will have the time to focus on what you do best (rather than having to put out DNS fires time and time again). In this paper, learn about four different reasons why outsourcing your DNS will actually save you money and time in the long run.

dns resolver  Reasons to Outsource Your DNS Do-it-yourself projects are great and can save you money, just not when it comes to doing your own DNS. With someone else managing your DNS, you can improve your own workflow since you will have the time to focus on what you do best (rather than having to put out DNS fires time and time again). In this paper, learn about four different reasons why outsourcing your DNS will actually save you money and time in the long run. Read More

Emerging Services for Wireless Carrier Networks--Design Abstract


The transition to IP A wireless carrier s national or regional next generation core network will be an all-IP network in the sense that IP will be the network layer (L3) protocol. MPLS (Multiprotocol Label Switching) will be the transport protocol for all IP-based services, applications, and control and management traffic in the network. Learn more in this white paper.

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