Network Security Best Practices and Products

  • February 23, 2004 23 Feb'04

    With VoIP, Zultys makes every office the home office

    Zultys' new VoIP add-on can make remote offices seem like a single office to callers. An analyst says the offering proves that smaller VoIP vendors can successfully challenge the likes of Cisco.

  • February 17, 2004 17 Feb'04

    Cisco makes strong move on power over Ethernet

    Cisco catches up to the industry by supporting the IEEE's 802.3af power over Ethernet standard in several of its Catalyst switch lines, paving the way for a new generation of cheaper, more advanced PoE-enabled gear.

  • February 16, 2004 16 Feb'04

    Symbol switch simplifies remote Wi-Fi networks

    Symbol Technologies is trying to ease remote WLAN management with its latest product, an all-in-one switch, router and firewall. But now the wireless vendor faces tough competition from the likes of Cisco.

  • February 12, 2004 12 Feb'04

    Data compression puts auto parts maker in fast lane

    An auto parts maker has discovered that, by compressing its data stream, it not only could eliminate link capacity and latency problems, but also save more than $30,000 per year on bandwidth costs.

  • February 10, 2004 10 Feb'04

    Amid acquisition, NetScreen updates SSL VPN

    NetScreen has released an update to its clientless VPN product line. At the same time, Juniper Networks has announced plans to buy the company. If the acquisition goes through, the transition should be smooth for NetScreen customers, an analyst says.

  • February 09, 2004 09 Feb'04

    Vernier update keeps Wi-Fi users under control

    Vernier's updated Wi-Fi management platform allows admins to deny network access to problem users and limit bandwidth so that unruly downloaders can't clog the airwaves.

  • February 05, 2004 05 Feb'04

    Hardware-upgrade fears stall wireless LAN plans

    The IEEE is poised to approve the 802.11i WLAN security standard this year, but much of companies' existing hardware will be incompatible, forcing upgrades. This scenario has forced one group to put off its WLAN implementation indefinitely.

  • February 04, 2004 04 Feb'04

    Private-line decline could mean more T1 deals

    In-Stat/MDR says that the market for T1 and other private line network services will soon decline at the hands of business-class DSL services and IP-based offerings, but prices are likely to drop as well.

  • January 28, 2004 28 Jan'04

    Networking Products of the Year

    The editors of sat down recently to assess the 2003 crop of networking products, with an eye toward helping you choose those must-have tools to keep your networks running at their peak. Which products represent the best in ...

  • January 27, 2004 27 Jan'04

    Networking salaries rise, resist industry trend

    According to new research, the average pay for certified networking professionals increased slightly last year, while pay for certified IT workers declined overall. Workers with CCIE, VoIP and security certs fared especially well.

  • January 26, 2004 26 Jan'04

    Survey: IT pros optimistic on network spending

    TechTarget's exclusive 2004 spending research found that many of the nearly 750 IT professionals surveyed have some reason for optimism. More than half of the respondents said their firms' network spending would increase this ...

  • January 22, 2004 22 Jan'04

    BGP Design and Implementation: Effective policy control

    This chapter examines BGP attributes and IOS tools and how you can use them to build complex and effective BGP policies.

  • January 21, 2004 21 Jan'04

    Device management draws a crowd

    Most network admins loathe dealing with devices, and a number of upstart vendors are trying to ease their pain. One network manager explains how device-management tools have helped him solve network problems faster.

  • January 20, 2004 20 Jan'04

    Fortinet solidifies all-in-one security play

    Fortinet has released a new all-in-one security appliance for large organizations. One user lauds the product's capabilities, though it might not be as mature as competing products.

  • January 20, 2004 20 Jan'04

    Mesh networks weave their way into WLAN realm

    Experts say that mesh networking technology has the potential to change the face of the WLAN industry. But the technology, which would expand the reach of wireless networks while keeping costs down, may be slow in coming because of a lack of vendor ...

  • January 13, 2004 13 Jan'04

    VoIP vulnerability could leave networks exposed

    Researchers have discovered a vulnerability in a protocol used by VoIP products. VoIP gear and other networking products from Cisco, Nortel and others could be open to hackers.

  • January 12, 2004 12 Jan'04

    Expert sheds light on Wi-Fi liability issues

    Recent incidents highlight a new concern about Wi-Fi security: If someone accesses your company's wireless network without permission, are you liable for what the intruder does?

  • January 09, 2004 09 Jan'04

    Network management troubleshooting

    This chapter from Tips and Tricks Guide to Network Configuration Management focuses on network management.

  • January 07, 2004 07 Jan'04

    Take our Interactive Salary Survey

    How do your job, pay and satisfaction compare with your peers? Find out from the Salary Survey.

  • January 06, 2004 06 Jan'04

    Face-off: Enterprise wireless LANs

    Do enterprise WLANs make sense? Site Editor Sue Fogarty says that the security risks are too big, but Assistant Site Editor Krissi Danielsson says WLANs are natural and inevitable.

  • January 05, 2004 05 Jan'04

    Analyst: Be ready to leave C&W data centers

    On Dec. 8, Cable & Wireless USA Inc. announced its plans to sell its Web hosting and Internet solutions business, with an affiliate of Gores Technology Group being the likely buyer. Reston, Va.-based C&W hosts services for some of the ...

  • December 31, 2003 31 Dec'03

    Cisco's 2004 outlook: Network intel, WLANs, VoIP to rule

    Cisco's 2004 goals include increasing network intelligence and pushing its wireless LAN, VoIP and security products. Though the company is in a strong position for the year ahead, experts say certain parts of its strategy could backfire.

  • December 29, 2003 29 Dec'03

    New factors may drive IPv6 adoption

    Years ago, naysayers claimed that the IP address system would soon run out of addresses and that we would be stuck in an Internet Protocol version four (IPv4) world, teetering towards disaster. The only way out was to migrate to the next-generation ...

  • December 24, 2003 24 Dec'03

    Lisa Phifer's 2004 industry predictions

    See what our wireless expert Lisa Phifer thinks 2004 will bring.

  • December 24, 2003 24 Dec'03

    Loki Jorgenson's 2004 industry predictions

    See what Dr. Jorgenson thinks 2004 will bring.

  • December 24, 2003 24 Dec'03

    Puneet Mehta's 2004 industry predictions

    See what Puneet thinks 2004 will bring.

  • December 24, 2003 24 Dec'03

    Carrie Higbie's 2004 industry predictions

    What does our emerging expert think 2004 will bring? Find out here...

  • December 24, 2003 24 Dec'03

    Ed Tittel's 2004 industry predictions

    Ed Tittel's 2004 industry predictions

  • December 24, 2003 24 Dec'03

    Sudhanshu Gupta's 2004 industry predictions

    See what Sudhanshu thinks 2004 will bring.

  • December 22, 2003 22 Dec'03

    Surebridge joins hosted antispam game

    Surebridge has joined the ranks of hosted antispam providers. Experts say such services can be an inexpensive way to stop spam before it reaches a company's network.

  • December 18, 2003 18 Dec'03

    Top webcasts of 2003

    Hear industry experts give you practical advice on everything from guaranteeing ROI to getting certified.

  • December 18, 2003 18 Dec'03

    Top news stories of 2003

    The past year was filled with news. Read about new developments in wireless LAN standards, VoIP implementations, Cisco certifications, and more.

  • December 16, 2003 16 Dec'03

    Analyst: VoIP technology poised to take off

    InStat/MDR says the market for VoIP integrated circuits will skyrocket over the next five years, largely because of increased corporate interest in VoIP and the expected arrival of converged wireless phones.

  • December 16, 2003 16 Dec'03

    Top featured topics of 2003

    Here we list our top five featured topics for the year. You'll want to check them out.

  • December 16, 2003 16 Dec'03

    Top tips of 2003

    Take a look at the tips that readers found the most useful during the past year. We're sure that you'll be able to put them to work for you.

  • December 16, 2003 16 Dec'03

    2003's best expert advice

    Our best expert Q&A's of 2003

  • December 15, 2003 15 Dec'03

    WINNER: Ebeneezer Scrooge IT test

    The heck with shopping -- win a prize for yourself. This week, we have a special gift for a lucky reader… a version of Cisco's IP Routing simulator. The first 100 readers to e-mail us will have their name entered in our random drawing...

  • December 12, 2003 12 Dec'03

    Users, industry debate use of terms 'master' and 'slave'

    Los Angeles County has raised concerns about the use of the terms "master" and "slave" to refer to technology products. Some say the words are needlessly offensive, though the majority of voters in a poll disagree.

  • December 10, 2003 10 Dec'03

    Verio strikes early with IPv6 WAN service

    Verio is now offering IPv6 WAN service, and while some niche organizations may be eager to make the jump from IPv4, an analyst says Verio's service may be a bit early for the U.S. market. Though IPv6 has the potential to alleviate IP address ...

  • December 09, 2003 09 Dec'03

    Expert touts outsourcing for better, cheaper security

    Relinquishing responsibility for your network's security may seem like a bad idea, but after listening to Edward Yakabovicz, it seems crazy not to. Yakabovicz, who has worked in network security for 20 years as architect and administrator for ...

  • December 08, 2003 08 Dec'03

    Fortinet firewall follows all-in-one trend

    Fortinet has boosted its firewall platform with virus protection, content filtering and intrusion detection. An analyst says that such all-in-one perimeter products are becoming more popular and can lower a company's security costs.

  • December 08, 2003 08 Dec'03

    Fast reference to Cisco resources

    If you use Cisco products or hold Cisco certifications -- this fast guide is for you.

  • December 03, 2003 03 Dec'03

    The lowdown on Windows

    Everyone has preconceived notions about what Windows is and isn't. Check out our overview for an objective view.

  • December 02, 2003 02 Dec'03

    Radware risks wipeout with new security strategy

    The application-switching vendor is offering a new combo appliance that guards against worms, viruses and DoS attacks. Despite an enthusiastic beta customer, experts say the company will need to catch a big wave of luck to succeed.

  • December 01, 2003 01 Dec'03

    VoIP call-monitoring a work in progress

    A new generation of products that monitor voice-call quality on IP networks signals the maturity of enterprise VoIP technology. But monitoring voice quality is hardly an exact science.

  • November 25, 2003 25 Nov'03

    Relicore tool maps application traffic

    Relicore's updated Clarity application generates real-time traffic maps that help admins understand how distributed applications are affecting enterprise networks.

  • November 24, 2003 24 Nov'03

    At Comdex, IT pros share VoIP success stories

    If you're considering a move to IP telephony, it's important to factor reliability, scalability and productivity into your decision, Comdex attendees found out last week.

  • November 20, 2003 20 Nov'03

    Intrusion detection is not dead but evolving into intrusion prevention

    The evolution of intrusion-detection technology to intrusion prevention is simultaneously converging with firewalls. This will lead to a next-generation network security gateway, but it is an evolutionary process, not a destruction of the old.

  • November 20, 2003 20 Nov'03

    Planning key to Army's award-winning combat network

    The U.S. Army's 335th theater signal command deployed the military's largest combat network in just 120 days, a feat that earned it's Networking Innovator Award.

  • November 19, 2003 19 Nov'03

    Panelists dismiss WLAN health concerns

    Experts at Comdex reaffirmed that health concerns are a non issue with wireless LANs, and that cheaper, better chipsets and advances in security standards coming in 2004 will only increase 802.11's popularity in the enterprise.

  • November 19, 2003 19 Nov'03

    Health questions can't damper WLAN enthusiasm

    Experts at Comdex reaffirmed that health concerns are a non issue with wireless LANs, and that cheaper, better chipsets and advances in security standards coming in 2004 will only increase 802.11's popularity in the enterprise.

  • November 18, 2003 18 Nov'03

    Regulators want a piece of the VoIP pie

    ATLANTA -- The Federal Communications Commission recently announced it would hold a hearing to investigate the ramifications of voice over Internet Protocol (VoIP) for the U.S. communications landscape.

    At TechTarget's recent Networking ...

  • November 18, 2003 18 Nov'03

    Do you speak geek? Part two

    Are You a real Know-IT-All? This week we challenge you to find out. We've provided hints for ten of our most searched terms in our glossary. How many can you guess without peeking? We'd like to know.

  • November 14, 2003 14 Nov'03

    Survey: Security tops networking priority list's annual Networking Report Card survey finds that security is the top priority of many IT professionals. IP telephony is becoming more popular, but wireless LAN hype isn't translating into enterprise implementations.

  • November 13, 2003 13 Nov'03

    Cisco updates WLAN management engine

    Updates to Cisco's Wireless LAN Solutions Engine are intended to help create coverage maps, detect rogue access points and, eventually, enable wireless LANs to be managed as extensions of wired networks.

  • November 11, 2003 11 Nov'03

    Perfigo protects networks from unprotected PCs

    Perfigo's CleanMachines software bars infected or unprotected PCs from the network, warding off viruses before they get close enough to strike. The vendor helped Cal State Long Beach recover from virus attacks.

  • November 11, 2003 11 Nov'03

    Former FCC chairman blasts agency's 'suspicious' VoIP actions

    Former FCC chairman Reed Hundt on Tuesday blasted his former agency and current chairman Michael Powell at the Wireless Internet Summit, claiming that the FCC has already decided to regulate VoIP, stifling future technological innovation.

  • November 07, 2003 07 Nov'03

    Networking Decisions notebook: IBM's case for VoIP

    When it comes to voice over IP, IBM hears the winds of change.

  • November 06, 2003 06 Nov'03

    Network pros 'make security happen,' CISO says

    The chief information security officer for Prudential Insurance values computer security professionals, but it's network administrators that earn his respect when it comes to securing systems.

  • November 05, 2003 05 Nov'03

    IP telephony to usher in new focus on networks

    A coming wave of network-centric applications in areas such as IP telephony will force many companies to significantly upgrade their network infrastructures, a Gartner analyst said today at the Networking Decisions conference.

  • November 03, 2003 03 Nov'03

    Vernier helps school face Nachi's aftermath

    Cleaning up after a worm hits isn't fun, but one vendor helped UC Berkeley quickly repair damage from the recent Nachi worm by isolating its infected PCs and putting them on the road to recovery.

  • October 30, 2003 30 Oct'03

    Garbani: Packaged apps may not matter, but networks do

    Packaged applications have become so entrenched in the enterprise that they no longer provides companies with a competitive advantage, according to Jean-Pierre Garbani, a director with Cambridge, Mass.-based Forrester Research. Instead of deriving ...

  • October 30, 2003 30 Oct'03

    Special coverage of Networking Decisions 2003

    This year's Networking Decisions conference promises to be even better than last year. Read all of's coverage of the conference here.

  • October 29, 2003 29 Oct'03

    Words-to-go: Spam

    This handy printable glossary goes hand in hand with our LearnIT series on defeating spam in the enterprise.

  • October 29, 2003 29 Oct'03

    Quiz: In the spammer's lair

    After you've reviewed our LearnIT series on defeating spam in the enterprise quiz yourself to see what you've learned about spam.

  • October 29, 2003 29 Oct'03

    Halloween: Do you speak geek?

    Have some Halloween fun with this spooky quiz.

  • October 28, 2003 28 Oct'03

    Vendor combines firewall, VPN, IDS

    Internet Security Systems has released an all-in-one product that combines a firewall, VPN, antivirus and IDS. An analyst says combination products could be the next big network security trend.

  • October 27, 2003 27 Oct'03

    Preaching the merits of protocol analysis

    Meet the networking industry's Pat Robertson. No, Laura Chappell doesn't save souls; she saves networks. As founder and senior protocol analyst with the San Jose, Calif.-based Protocol Analysis Institute, she travels from enterprise to enterprise, ...

  • October 23, 2003 23 Oct'03

    The barriers between you and a 'hack-proof' network

    At the upcoming Networking Decisions conference, taking place Nov. 5-7 in Atlanta, network security expert Jeffrey Posluns will offer his insights on what it takes to successfully evaluate the security of an enterprise infrastructure. The founder of...

  • October 22, 2003 22 Oct'03

    VoIP quiz

    This quiz challenges to explore what you've just learned from part one of our LearnIT series on the basics of voice over IP.

  • October 22, 2003 22 Oct'03

    How does a firewall work?

    A firewall is a set of related programs, located at a network gateway server, that protects the resources of a private network from users from other networks. (The term also implies the security policy that is used with the programs.) An enterprise ...

  • October 21, 2003 21 Oct'03

    Will 2004 be the year of IM management?

    Interoperability and enterprise management were the hot issues at last week's IM Planet conference. While many believe that 2004 will be the year that IM management takes hold in the enterprise, the task itself is far from easy.

  • October 20, 2003 20 Oct'03

    Linksys routers caught up in open source dispute

    Linksys and other wireless networking vendors are involved in a copyright dispute over Broadcom's use of open source code in its chipsets. A resolution could involve making some chipset code available to the public, but an analyst says Linksys ...

  • October 16, 2003 16 Oct'03

    Critical Windows, Exchange alerts issued

    Microsoft issued five critical alerts on Wednesday, warning of four serious vulnerabilities in Windows and one in Exchange 2000 Server. Microsoft had made patches available, and is urging Windows and Exchange administrators to install the fixes ...

  • October 16, 2003 16 Oct'03

    Onsite network analysis

    If you're looking to provide your company with an in depth look at your network performance and health -- let this be your guide.

  • October 14, 2003 14 Oct'03

    IPv6 Glossary

    Use this handy clickable, printable guide for definitions relating to IPv6.

  • October 14, 2003 14 Oct'03

    Emergence of WPA threatens gateway vendors

    Analysts say that, unless wireless LAN gateway vendors evolve to address customers' changing enterprise management needs, they could be facing extinction at the hands of Cisco and others.

  • October 13, 2003 13 Oct'03

    Exploit code targets recent RPC flaws

    The long-awaited exploit code for the Microsoft RPC vulnerability is making the rounds and experts say even a patch may not keep Windows XP systems safe.

  • October 08, 2003 08 Oct'03

    XML traffic to force major network upgrades

    Experts say that, as Web services become more common, companies will be forced to upgrade their networks to deal with growing amounts of bulky XML traffic.

  • October 06, 2003 06 Oct'03

    Update: NetScreen buys VPN specialist Neoteris

    Update: An analyst calls NetScreen's $265 million purchase of SSL VPN maker Neoteris "a great move" for both firms and for their customers, who will benefit from better customer service and an increased focus on product development.

  • October 06, 2003 06 Oct'03

    Data Center Directions

    Where is the data center going? Browse through this collection of articles and webcasts for a look into the next generation of high-performance computing architectures.

  • October 02, 2003 02 Oct'03

    Size matters: Using jumbo packets on Gigabit Ethernet

    Learn about network idiosyncrasies and degradations as Dr. Jorgenson discusses both the benefits and hidden perils of using jumbo packets on Gigabit Ethernet.

  • October 02, 2003 02 Oct'03

    Cisco Voice over IP Solutions

    This chapter describes the different techniques you can use to engineer and properly size traffic-sensitive voice networks. You'll see several different traffic models and explanations of how to use traffic probability tables to help you engineer ...

  • October 02, 2003 02 Oct'03

    Red-M WLAN monitor helps avoid Bluetooth danger

    Security vendor Red-M is offering a wireless LAN airwave monitor that also watches for Bluetooth traffic. Experts like the combination because it allows Bluetooth-reluctant firms to give the emerging wireless technology the green light.

  • September 30, 2003 30 Sep'03

    Cisco reports ramp-up in IP telephony certs

    Cisco says the number of IP telephony certifications it issued during the first half of 2003 was unprecedented -- during that period, the company issued a number equal to the entirety of what it had issued before. An analyst calls the certification ...

  • September 26, 2003 26 Sep'03

    Regional disasters prompt new redundancy plans

    As enterprises grow more concerned about regional disasters, they are developing new ways to keep key data and applications available in times of trouble. Some firms are moving data centers further away or outsourcing, but others are turning remote ...

  • September 24, 2003 24 Sep'03

    Words-to-Go: Virtual LAN

    These terms coincide with our Learn IT: virtual LAN guide.

  • September 24, 2003 24 Sep'03

    Virtual LAN quiz

    This quiz corresponds with Learn IT: virtual LAN

  • September 24, 2003 24 Sep'03

    LearnIT: Virtual LAN

    Learn the basics of VLANs.

  • September 23, 2003 23 Sep'03

    Cisco pins government hopes on low-cost tools

    Cisco has added new products to its Catalyst 6500 Series line of multilayer switches, courting governments and data centers with lower operational costs and increased density.

  • September 23, 2003 23 Sep'03

    Visionael tool helps prioritize network bugs

    Established network management vendor Visionael is stepping into the market for vulnerability-management products with a new offering that helps companies to find and prioritize network weaknesses.

  • September 17, 2003 17 Sep'03

    Do you speak 'router' geek?

    Are you a real Know-IT-All? This week we challenge you to find out. We've provided ten hints for ten terms in our glossary that relate to routers. How many can you guess without peeking? We'd like to know.

  • September 16, 2003 16 Sep'03

    Security fears still dominate WLAN space

    According to experts at the TechXNY conference, wireless LAN security fears are still hindering the rate of corporate deployments, even though the industry has made significant security strides as of late.

  • September 15, 2003 15 Sep'03

    NEC strategy plays off of VoIP jitters

    NEC isn't about to challenge Cisco in the data networking market anytime soon, but the company is using its success with voice products to push an end-to-end system that wards off poor VoIP performance.

  • September 10, 2003 10 Sep'03

    Virtualization: Unlocking the utopian data center

    Virtualization promises to bring new efficiency and cost savings to data center operations, opening the door to cheaper services for customers. Despite its success to date, the technology may need to advance significantly before provisioning IT ...

  • September 09, 2003 09 Sep'03

    Analyst: Outsourced content delivery improves user experience

    As businesses rely more and more on their Web sites, Web-based applications and high-bandwidth technologies like video conferencing and content delivery are becoming a must. Yet enterprises now may choose whether to install and maintain their own ...

  • September 08, 2003 08 Sep'03

    ReefEdge adds FIPS security to WLAN products

    ReefEdge had joined a growing number of WLAN vendors by adding FIPS140-2 certification to its products, betting that the stringent security guidelines will attract more government business.

  • September 08, 2003 08 Sep'03

    Analyzing your network: Statistical monitoring vs. real-time performance

    In this article, we'll take a look at some advantages and disadvantages of using prior statistics to make management decisions for future planning and we'll take a look at some alternatives.

  • September 03, 2003 03 Sep'03

    Critical apps to rely on enhanced sniffers

    IT infrastructure has become an integral part of the day-to-day operations of every business. Without the ability to move data and access important applications, many businesses would grind to a halt. Unfortunately, most companies are now cutting ...

  • September 03, 2003 03 Sep'03

    Do you speak geek? - Part one

    Are You a real Know-IT-All? This week we challenge you to find out. We've provided ten hints for the ten most popular IT terms in our glossary. How many can you guess without peeking? We'd like to know.