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Don't think small companies are the only ones making security mistakes. Doing Network World Technology Tours on Remote Office Network ing in 2004 and 2005, I talked with many enterprise network managers. By hiding the names of the stupid, I'm able to report Embarrassing Security Secrets . (www.networkworld.com....urity.html)
One of the sponsor's of the Network World Small Business Technology tour, Barracuda makes a dedicated hardware appliance that deals with spam of all kinds in a variety of ways. Barracuda Boxes Spam discusses how they handle spam, why their approach works so well, and how even small companies save money buying an appliance like this. (www.networkworld.com....urity.html)
Barracuda's spam box can't be called a security appliance in the traditional sense, even though reducing spam (and the viruses and phishing scams carried within) certainly improves security. Most people consider a security device one that blocks outsiders, and there are plenty of those (both appliances and outsiders attacking your network ). Continued (www.networkworld.com....urity.html)
Cisco 57;s 6-year-old Self-Defending Network strategy for securing converged network s remains a work in progress: Acquisitions and internal developments are moving it forward even as customers push Cisco to go above and beyond its initial plans. (www.networkworld.com....fense.html)
Cisco Self-Defending Network still a work-in-progress By Cisconet on September 4, 2007, 5:54 pm Reply Read entire comment There&s still work left to be done with Cisco&s Self-Defending Network , Cisco&s 6-year-old strategy for securing converged network s, reports Network (www.networkworld.com....fense.html)
Self-defending network .hahahahahaaha By meatpieandtatters on September 5, 2007, 9:08 am Reply Read entire comment Sure, Cisco would have everyone believe that if you buy all their crap the network will virtually run and secure itself.In reality, the small print on the bottom (www.networkworld.com....fense.html)
To qualify for publisher status in the Bravenet Media Network , your site(s) must show a minimum of 1 million ad views per month. Once you have been approved, you'll enjoy above-average income and effective, personalized service from sales professionals dedicated to maximizing your site's earning potential. We'll work with you to identify the best media, the best advertisers and the best locations to maximize your earnings using targeted, contextual sponsorships that complement your site. (www.bravenetmedianetwork.com....rtners.php)
IT Tools How To's, Just Posted Designing and Deploying 802.11n Next-Generation Wireless The Business Benefits of a True Unified Wired and Wireless Network . Why one point of mananagement and control should matter to you. Quick Guide to Driving Business Value from ITIL Initiatives How Secure is your Remote Support Solution? DNS: The New "Black Art." Step up to the next generation network . (www.networkworld.com....orage.html)
Don't take my word for this lawlessness; look at your own network . If that doesn't convince you, check out the March 2006 version of Symantec's twice annual Internet Security Threat Report . They are the ones with millions of log files full of evidence that criminal hackers have invaded the Internet in large numbers and aggressively seek to invade your company's network . (www.networkworld.com....urity.html)
For our Network Life online magazine, I wrote 10 Ways to Stop Spyware back in 2005. Late in the year and early in 2006, some online listings reminded people of this story and it was one of Network World's Top 10 stories for several weeks. This piece's popularity just reminds me how aggravating spyware remains to most computer users. (www.networkworld.com....urity.html)
IT Tools How To's, Just Posted Designing and Deploying 802.11n Next-Generation Wireless The Business Benefits of a True Unified Wired and Wireless Network . Why one point of mananagement and control should matter to you. Quick Guide to Driving Business Value from ITIL Initiatives How Secure is your Remote Support Solution? DNS: The New "Black Art." Step up to the next generation network (www.networkworld.com....urity.html)
Definition Infrared technology enables computer network communications via short-range wireless signals. How short is short? With infrared, you are limited to a few feet or meters. Yet if Wi-Fi and Bluetooth alternatives aren't available, infrared is still a practical and convenient way to transfer some data between your mobile device (compnetworking.about.com....nology.htm)
FAQ Did you know that a wireless network name SSID is case-sensitive? In other words, "HomeSweetHome" and "HOMESWEETHOME" represent two different Wi-Fi network s. Failing to use matching SSIDs when setting up a home wireless network will prevent some devices from connecting to each other, and that includes mismatches in the case of letters (compnetworking.about.com....tivity.htm)
Reference Bandwidth is just one element of what a person perceives as the speed of a network . Latency is another element that contributes to network speed. The term latency refers to any of several kinds of delays typically incurred in processing of network data. A so-called low latency network connection is one that generally experiences small delay times, while a high latency connection generally suffers from long delay (compnetworking.about.com....lained.htm)
Tip Most wireless routers contain a built-in antenna that broadcasts a WiFi signal equally well in all directions. Greater range can sometimes be achieved with a hi-gain directional antenna that sends a stonger signal in a particular direction. Consider replacing the router's antenna to improve wireless network performance. (compnetworking.about.com....ntenna.htm)
FAQ If your wired or wireless (yes, wireless) network is not functioning properly, you may see " A Network Cable Is Unplugged " messages appear repeatedly on the Windows desktop. Learn more about this problem and how to stop these annoying messages from occuring (compnetworking.about.com....lugged.htm)
Discussion People who have a home wireless network working well, sometimes face difficulty network ing again when they move to a new residence. Why? See what our message board members currently discussing this problem have to say. (compnetworking.about.com....nymore.htm)
Commentary As is common in IT these days, paranoia over network security creates more problems than it solves. British Telecom's reaction to a Cisco router flaw is the textbook example. "In trying to prevent a DoS attack they [BT] have managed to deny service to thousands of users." Oops (compnetworking.about.com....isease.htm)
Commentary A high-profile network outage stranded thousands of travelers at the Los Angeles International Airport this past weekend. Though many have the idea this was a "computer glitch," it seems the LAX computer system malfunction has actually been isolated to fiber optic cables (compnetworking.about.com....ailure.htm)
Commentary The University of Massachusetts TurtleNet wireless sensor network recently went online, servicing about a dozen wood turtles and utilizing Zigbee compatible gear. Princeton's ZebraNet project was another early pioneer in this space a few years ago. These academic research projects are good examples of the applications of wireless network ing in nature conservatio (compnetworking.about.com....search.htm)
Network coding works by separating messages into smaller bits of 60;evidence61; that can then be deduced by the destination node without transmitting, retransmitting or replicating the entire message. It enables this evidence to traverse multiple paths to and from intermediary nodes which then send it on to the endstation . It does not require additional capacity or routes 51; it simply mixes evidence of messages into bit streams already supported by an existing network infrastructure. (www.networkworld.com....oding.html)
Reference In information technology, capacity planning ensures a network is built to support future growth and performance needs. This Microsoft whitepaper and this Cisco whitepaper both describe best practices for and examples of technologies used in network capacity plannin (compnetworking.about.com....anning.htm)
When preparing to conduct a site survey for a Cisco wireless LAN (WLAN) installation, follow the Cisco network design methodology. Cisco's Prepare, Plan, Design, Implement, Operate and Optimize (PPDIOO) addresses the network in a phased approach. This white paper provides a "how to" overview that can be used when conducting (updates.zdnet.com....twork.html)
Duke University has long been acknowledged for innovative use of technology to enhance campus life. The university wanted to use the wireless network to expand educational applications in the classroom, while improving all aspects of student and faculty life. The challenge was to continue to attract new students to the (updates.zdnet.com....twork.html)
Conventional TCP in wireless environment cannot differentiate packet losses caused by network congestion from those caused by wireless link errors, thus, resulting in severe performance degradation. Accordingly, efficient operation of TCP in wireless network s is a critical issue in the context of differentiation between packet loss. Towards this issue, the (updates.zdnet.com....twork.html)
Duke university has announced that the problem with iPhones interoperating on their wireless Cisco network has been solved, and that it wasn't an iPhone problem after all. A note from Tracy Futhey, Duke's chief information officer states:By now many of you have read news accounts around iPhones and Duke's wireless (updates.zdnet.com....twork.html)
The work discussed in this paper addresses the need for application-aware adaptive communication in mobile ad hoc network s that creates network routes based on applications' dynamic resource requests. This paper introduces an intuitive generalization to source routing which facilitates discovery of a resource in a mobile ad hoc network and (updates.zdnet.com....twork.html)
Everyday, our cars are using more computing technology, primarily for safety reasons. So why not turning them into computer nodes of a mobile network ? This is what UCLA engineers are working on. According to them, this would just need the relatively low-cost addition of sensors to the vehicle's roof an (updates.zdnet.com....twork.html)
This white paper outlines how innovations in automating network management can help you dynamically adjust your computing resources to meet changing business needs. The paper explains how you can approach utility computing, an infrastructure model that merges computing resources into a global pool so they can be changed on-the-fly, (updates.zdnet.com....ement.html)
Network monitoring and intrusion detection are an integral part of network security, all the more so once you introduce wireless access, a new, openly available entry point into your network . In this sample chapter from How to Cheat at Securing a Wireless Network , explore the planning and deployment issues (updates.zdnet.com....twork.html)
This sample chapter, taken from Cisco Press' Network Security First-Step, explains a few issues concerning wireless security, such as how it works and why it's important. Learn about the overall characteristics of network security, including how it works and why it's important.This sample chapter, taken from Cisco (updates.zdnet.com....twork.html)
I spent a little time chatting with some folks at the Technology Liberation Front doing a podcast today "Network Management Redux". Sorry if I sounded a little groggy in the recording after the computer problems and AT T DSL problems that kept me up all night. I'll be inviting some (updates.zdnet.com....ement.html)
In this session, the attendee of this webcast will learn more about tips and techniques that help in deploying Active Problem Analyzer in managed domains so you can improve monitoring and network management policies (updates.zdnet.com....ement.html)
Due to the diverse set of needs that various groups within enterprise organizations have for network management, and the narrow focus of most solutions, organizations have traditionally had to use a wide variety of different tools to achieve their goals. This normally includes one product (or group of products) that (updates.zdnet.com....ement.html)
This paper presents the Leslie Graph, a simple yet powerful abstraction describing the complex dependencies between network , host and application components in modern network ed systems. It discusses challenges in the discovery of Leslie Graphs, their uses, and describes two alternate approaches to their discovery , supported by some initial feasibility results (updates.zdnet.com....ement.html)
This paper presents a unique perspective of bringing Service Orientated Architecture (SOA) to Network Management Systems (NMS) with an aim to improve extensibility and flexibility, which are key requirements in current day dynamic environments. However, a key concern of scalability arises with bringing in of SOA, which the authors propose (updates.zdnet.com....ement.html)
This paper provides a basic grounding in the history of network management interfaces and interface definitions as a background and introduction to the work being performed by the Storage Network ing Industry Association (SNIA) as part of the Storage Management Initiative. The paper contrasts the characteristics of predecessor definitions with the (updates.zdnet.com....ement.html)
SuperLANadmin has a powerful scanning ability and can scan the information throughout the network ; you will have great use of the functions: including host name, workgroups, IP address, MAC address, and shared documents. This software has a strong network management function: NetAuthority can set Host, some time segments inside ca (updates.zdnet.com....ement.html)
Although no single detailed network management process applies to every environment, certain common elements of the process apply to almost all network scenarios. Rich Schiesser, in conjunction with the Harris Kern's Enterprise Computing Institute, explains how making six critical decisions will help you lay the foundation for a robust networ (updates.zdnet.com....ement.html)
Achieving IP handoff with a short latency and minimal packet loss is essential for mobile devices that roam across IP subnets. Many existing solutions require changes to be made to the network or transport layer, and they tend to suffer from long handoff latency in either soft or hard handoff. (updates.zdnet.com....twork.html)
With the convergence of wireless communication and IP-based network ing technologies, future IP-based wireless network s are expected to support real-time multimedia. IP services over wireless network s enhance the mobility and flexibility of traditional IP network users. Wireless network s extend the current IP service infrastructure to a mix of transmission media, bandwidth,. (updates.zdnet.com....twork.html)
This paper studies the problem of using path diversification to provide low Probability of Packet Loss (PPL) in wireless network s. Path diversification uses erasure codes and multiple paths in the network to transmit packets. The source uses Forward Error Correction (FEC) to encode each packet into multiple fragments and transmits (updates.zdnet.com....twork.html)
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