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DNS Recursion Leads To Nastier DoS Attacks
News But in this latest spate of DDoS attacks, bots are sending queries to DNS servers with the return address pointed at the targeted victim. As a result, the DNS server, rather than the bot, makes the direct attack on the victim.
[March 17, 2006, 9:05]
DNS Caching And How It Affects Simple Failover
White Papers DNS records updated by Simple Failover will be accessible to the vast majority of Internet users immediately or within a few minutes. There are however situations where DNS caching will interfere and cause a few visitors not to be re-directed to...
[February 23, 2006, 23:00]
DNS Resolution: What Is It, How Good Is It, And Why Do We Care?
White Papers DNS (domain name system) is a short acronym with a lot of meaning. DNS, the technology, is a method for storing network information in a decentralized database and accessing it later. DNS is very literally the technology that puts the "dot" in "dot...
[April 22, 2004, 0:00]
DNS And The Active Directory Tree
White Papers This webcast will address the best practices and concepts regarding DNS in and for Active Directory. This session will cover potential configuration and design issues, how to check to see that Active Directory is correctly registering records in...
[March 14, 2004, 23:00]
Gaining Control Of Your Network Identity Infrastructure: DNS, DHCP, RADIUS, And LDAP
White Papers Network complexity is growing as the number of enterprise users, devices, and applications proliferate -- putting core network identity services like DNS, DHCP, RADIUS, and LDAP in jeopardy. Today, network identity services are scattered across...
[July 23, 2007, 0:00]
DNS Servers 'vulnerable To Attack'
News Many DNS servers are wrongly configured or running out-of-date software, leaving them vulnerable to malicious attacks, according to a survey published on Monday. The Measurement Factory surveyed 1.3 million DNS servers, and found that more than...
[October 25, 2005, 17:55]
Microsoft Exchange 2000 Server: DNS Troubleshooting In Transports
White Papers In this session we will focus on how to troubleshoot mail flow problems in Exchange 2000 due to DNS. We will cover configurations for both Exchange 2000 and the DNS servers. Other topics will include symptoms, verification, and some internal...
[June 25, 2007, 0:00]
Integrating Your Active Directory Namespace Into An Existing DNS Infrastructure With Name Overlap
White Papers This paper shows how to use Windows 2000 Domain Name System (DNS) to support the Active Directory directory service when a DNS server that does not support Service (SRV) resource records is authoritative for the company's DNS name, and users want...
[July 23, 2007, 0:00]
IRC Admins Claim TimeWarner Hijacks DNS To Clean Botnets
Blog After administrators of the Ablenet IRC network noticed it's users disappearing they started investigating the cause and found that a DNS server owned by Cox was returning falsified data and were hijacking DNS entries which caused any legitmate...
[July 25, 2007, 15:12]
Build A Scalable DNS Infrastructure
News DNS (the Domain Name System) is the Internet standard used for translating the "human-friendly" host names of computers on a TCP/IP network into their corresponding "machine-friendly" IP addresses. If you want users to be able to use host names to...
[May 9, 2006, 13:05]
How DNS Misnaming Distorts Internet Topology Mapping
White Papers Network researchers commonly use reverse DNS lookups of router names to provide geographic or topological information that would otherwise be difficult to obtain. By systematically examining a large ISP, the paper finds that some of these names are...
[June 9, 2007, 0:00]
Split-Brain DNS Server Configuration For ISPs
White Papers This document describes how to set up a split-brain DNS configuration, which Internet service providers (ISPs) can use to provide secure DNS service to allow both internal and external name resolution requests.
[August 3, 2007, 0:00]
DNS Historical Facts
Forum I will try to explain here in short what is DNS. The Hosts file still exists on most modern operating systems, either by default or through configuration, and allows users to specify an [url=http://en.wikipedia.org/wiki/IP_address]IP[/url...
[August 25, 2006, 20:58]
Windows 2000 DNS White Paper
White Papers This paper describes the Windows® 2000 operating system Domain Naming System (DNS), including design, implementation, and migration issues. It discusses how DNS is implemented in Windows 2000, shows examples of DNS implementations, and describes...
[September 7, 2003, 0:00]
A Rationale For Web Caching In Consumer ISPs: The Impact Of DNS Lookup Times And HTTP Session Characteristics
White Papers The paper instruments a small number of Australian, broadband-attached homes to collect Round-Trip Time (RTT) and hop count statistics for their HTTP/TCP sessions, and collect DNS lookup statistics associated with each HTTP exchange.
[October 19, 2007, 0:00]
Securing DNS (Linux Version)
White Papers Because systems running DNS servers are so critical to the network infrastructure, it is vital that these systems do not get compromised. There have been a large number of problems with BIND because of the size and complexity of the functions it...
[January 26, 2004, 23:00]
Identifying Servers Using DNS, Port Scanning, And Passive Network Monitoring
White Papers This paper describes three techniques to identify servers - examining centrally managed DNS records, port scanning, and passively monitoring packets traversing the commodity network borders. Higher education networks are often well connected and...
[March 3, 2008, 23:00]
US Report: New DNS System Could Bring Profits For ISPs
News At the Internet Service Provider Convention (ISPCon) here Tuesday, the organisations negotiating the privatisation of the domain name system (DNS) promised a brave new world of value-add offerings and money-making services to ISPs.
[September 30, 1998, 15:37]
Solve Windows 2000 DNS Server Problems
Talkback "Cannot find server or DNS Error I am having problems viewing my web site.when I type my web address in the address bar I am getting the following message " Cannot find server or DNS Error Internet Explorer ".
[August 15, 2003, 0:07]
Integrating DNS, DHCP, And WINS
White Papers The leading IP management vendors have made significant strides in integrating DNS and DHCP in a proprietary manner; however, much work remains to complete the necessary Internet standards, and beyond that, to achieve standards-based vendor...
[February 8, 2007, 23:00]
