Network Security Best Practices and Products

  • May 03, 2004 03 May'04

    Siemens rolls out mega-sized VoIP

    Siemens' new VoIP call management software can handle 100,000 users and takes advantage of presence-based apps like instant messaging. An analyst says it holds up well against competition from Avaya and Nortel.

  • April 26, 2004 26 Apr'04

    Cisco under fire

    Since the end of March, Cisco has been forced to respond to or announce six different security flaws -- more than one a week on average.

  • April 26, 2004 26 Apr'04

    Engineering VoIP savings with bandwidth management

    After an engineering firm discovered that VoIP traffic bogged down its network, it used a traffic management system from Packeteer to not only improve voice call quality, but also to avoid buying extra bandwidth.

  • April 21, 2004 21 Apr'04

    IDC: Networking 'disruptions' will drive spending

    An IDC analyst says disruptive technologies like Wi-Fi, VoIP and utility computing will drive network spending, but only in certain industries where business demands justify the investment.

  • April 19, 2004 19 Apr'04

    Network Device Management

    This chapter excerpt focuses on device management and the role it plays in network configuration management.

  • April 19, 2004 19 Apr'04

    Are mobile devices opening the network perimeter?

    A Burton Group report suggests that enterprise networks -- and the data they safeguard -- may be at risk because of unsecured mobile devices.

  • April 19, 2004 19 Apr'04

    Expand Networks offers WAN conservation appliances

    Expand Networks has announced a new roster of WAN optimization appliances, intended to help remote offices avoid bottlenecks caused by enterprise applications.

  • April 15, 2004 15 Apr'04

    Cisco looks to dominate Web conferencing

    If the growing interest among enterprises in providing employees and partners with information regardless of their location is any indication, then the remote collaboration market is set to take off. One key indicator of the market's maturity is a ...

  • April 13, 2004 13 Apr'04

    Cisco says despite risks, LEAP wasn't worth fixing

    Even though the LEAP security flaw could affect half of Cisco's WLAN customers, the company didn't patch it because more LEAP flaws could have emerged. While experts say LEAP should be abandoned immediately, they say Cisco's security strategy is ...

  • April 12, 2004 12 Apr'04

    Adtran deals itself into converged device game

    Adtran is taking on an established market with a new line of stand-alone switches and converged switch/routers, but one expert said the company could become an attractive low-end Cisco alternative.

  • March 30, 2004 30 Mar'04

    Trillian won't fix enterprise IM interoperability

    Though the Trillian instant messaging client offers a limited form of IM integration, experts say it's not the answer to the enterprise IM interoperability problem. However, those experts are optimistic that interoperable IM products are coming soon.

  • March 29, 2004 29 Mar'04

    Instant message spam to triple this year

    New research pinpoints the culprits responsible for the sharp increase in junk messages being delivered via IM.

  • March 25, 2004 25 Mar'04

    Wireless experts call for an IP overhaul

    Experts at CTIA say that wireless carriers' voice and data networks are bound to merge, but Internet Protocol isn't robust enough to handle tomorrow's wireless backbone.

  • March 23, 2004 23 Mar'04

    Chambers: Networking success demands more than technology

    Cisco CEO John Chambers painted a picture of networking's future but said businesses must make some changes if they're going to effectively tap the technology.

  • March 22, 2004 22 Mar'04

    Cisco launches new security, manageability tools

    Cisco has released several new product upgrades and features as part of an effort to extend security and management functionality across the network.

  • March 18, 2004 18 Mar'04

    Multiple Cisco products among those clobbered by OpenSSL flaw

    Cisco switches, routers and firewalls are vulnerable to attack due to a problem in OpenSSL that has other software vendors scrambling to cope.

  • March 15, 2004 15 Mar'04

    All-in-one security devices carry their weight

    All-in-one security devices are making it easier to keep distributed networks safe, and it's no wonder competition in the space is heating up. Despite earlier misgivings, one international firm explains how it's using a product from ServGate to ...

  • March 09, 2004 09 Mar'04

    IM at work: Good or evil?

    For better or worse, instant messaging is growing in popularity.

  • March 08, 2004 08 Mar'04

    Enterprise IM leaves non-financial firms wanting

    Even though enterprise IM choices lack interoperability with public services, IM Planet speakers offered a few reasons why the systems are worth considering.

  • March 08, 2004 08 Mar'04

    Instant messaging creates security headaches for enterprises

    Instant messaging entered the enterprise and network environment by the back door, creating special challenges for security managers. Read this piece to see how to corral the technology.

  • March 04, 2004 04 Mar'04

    Experts see IM as foundation for new-age apps

    Experts at the Instant Messaging Planet Conference & Expo said that, in the absence of an IM strategy, "stealth" IM use could have dangerous consequences in the enterprise.

  • March 03, 2004 03 Mar'04

    Hidden in New Hampshire, networking's coolest classroom

    DURHAM, N.H. -- Gerard Goubert was downright giddy. As Susan Fogarty and I were about halfway through our tour of the InterOperability ...

  • March 01, 2004 01 Mar'04

    Face-off: Instant messaging in the enterprise

    Is instant messaging at work a matter of pure convenience, or pure danger? Associate site editor Kara Gattine says IM use can improve productivity and make communication easier, but site editor Margaret Rouse says IM applications are distracting and...

  • February 26, 2004 26 Feb'04

    Face-off: The Can Spam Act

    New federal laws meant to stop spam have earned mixed reviews. TechTarget's Mark Lewis says the Can Spam Act is half-hearted, while editor Sarah Lourie says it's a good first step.

  • February 24, 2004 24 Feb'04

    Giving Cisco credit where credit is due

    This past week was a busy one for Cisco Systems Inc. The networking giant found itself in an unusual position: playing catch up with its competitors. Oddly enough, in this case, that's a good thing.

  • 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 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.

  • 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 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 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 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

    Carrie Higbie's 2004 industry predictions

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

  • 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

    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 16, 2003 16 Dec'03

    2003's best expert advice

    Our best expert Q&A's of 2003

  • 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 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 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 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 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

    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.

  • 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 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 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 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

    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 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

    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.

  • 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.

  • 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

    LearnIT: Virtual LAN

    Learn the basics of VLANs.

  • September 24, 2003 24 Sep'03

    Words-to-Go: Virtual LAN

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

  • 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 03, 2003 03 Sep'03

    Certification guide

    Here's a look at the most common and timely training programs, along with links to follow for more in-depth information.

  • August 28, 2003 28 Aug'03

    Virtela's unbundled approach plays in WAN space

    The wide area network outsourcing market has been a tough one to crack, but one company has a strategy that may prove successful.

  • August 26, 2003 26 Aug'03

    Implementing CIFS: Protocol negotiation

    Learn about protocol negotiation in Microsoft's The large installed base of CIFS (Common Internet Filesharing System) protocol suite.

  • August 25, 2003 25 Aug'03

    Lasers hit the spot when wires can't cut it

    Laser technology is gaining momentum as an effective way to provide high-bandwidth wireless networking capability over short distances.

  • August 21, 2003 21 Aug'03

    Check Point firewall serves midsized businesses

    Check Point has released a firewall for misdized businesses that offers enterprise-caliber features such as an Internet gateway and VPN. According to the company, it's well suited for smaller firms that need enhanced functionality but lack the ...

  • August 21, 2003 21 Aug'03

    Network management security

    Take a look at how change management can improve network security, and how wireless devices will change the way you'll secure network devices.

  • August 20, 2003 20 Aug'03

    CCNA Basics: Network media types

    This chapter describes the common types of network media, including twisted-pair cable, coaxial cable, fiber-optic cable, and wireless.

  • August 20, 2003 20 Aug'03

    CCNA Practical Studies: Router interface configuration methodology

    This chapter excerpt will walk you through the methodology for configuring router interfaces, including Frame Relay and other types of serial interfaces, Ethernet, and Token Ring.

  • August 19, 2003 19 Aug'03

    Cisco pushes desktop Gigabit Ethernet

    Cisco Systems has released a pair of Gigabit Ethernet switches in an effort to bring the high-speed transmission technology to desktop users. The Catalyst 3750G-12S is geared toward enterprise, while the 2970G-24TS targets small and medium-sized ...

  • August 11, 2003 11 Aug'03

    The network architect: One part designer, one part psychiatrist

    Network design guru Nick Lippis is president of Hingham, Mass.-based Lippis Enterprises Inc., which produces the Lippis Report and will host the upcoming Enterprise Networks 2004 conference. ...

  • August 04, 2003 04 Aug'03

    Proxim enables 'last mile' WAN connectivity

    Proxim has introduced a new line of "last mile" wireless WAN products for service providers and enterprises that need building-to-building connectivity without fiber optic cabling.

  • July 30, 2003 30 Jul'03

    HP pushes 'access control on steroids'

    As part of its new Adaptive Network Architecture Service, Hewlett-Packard is offering a network access control tool that enables admins to grant external parties limited access to network resources without punching holes in the corporate firewall.

  • July 29, 2003 29 Jul'03

    Interconnecting Cisco Network Devices: Internetworking concepts overview

    This chapter excerpt reviews the basic internetworking concepts including network components, planning hierarchical networks, and an in-depth discussion of the OSI model.

  • July 28, 2003 28 Jul'03

    Zultys targets SMB market with VoIP gateway

    Zultys is aiming its new VoIP gateway at SMBs interested in enterprise features, like IM support and automatic call distribution, but not the cost and hassle associated with an enterprise product. Experts say Zultys' MX250 addresses a number of SMB ...

  • July 24, 2003 24 Jul'03

    The content switch: The body of a switch, the soul of a server

    How did we move from the world of the Internet data center to the enterprise computer room? We talked with some experts.

  • July 22, 2003 22 Jul'03

    NetScaler updates take pressure off servers

    NetScaler has enhanced its 9000 line of server optimization products to improve application performance over distributed networks. An analyst says NetScaler is helping companies deliver ERP and CRM applications over the Internet without huge, costly...

  • July 21, 2003 21 Jul'03

    BMC update previews a future with fewer agents

    BMC has added Web transactions and Internet latency tracking to its Patrol Express network monitoring product. One analyst says the agentless product represents the future of network monitoring because agent-based products are becoming too costly ...

  • July 17, 2003 17 Jul'03

    What is a router?

    Routers are the mainstay of enterprise networking, but how well do you understand them? Read our rundown of exactly what a router is and does.

  • July 17, 2003 17 Jul'03

    Hush hush! Without due diligence, voices carry

    No one thinks much about the security of phone calls -- until they decide to put their voice systems on IP networks, says Ray Keneipp, vice president with the Midvale, Utah, research firm, Burton Group. Even though phone conversations are hardly ...

  • July 16, 2003 16 Jul'03

    Recommended reading list

    Our experts recommend that you take these books along with you on vacation or during a coffee break at work.

  • July 15, 2003 15 Jul'03

    Firewalls charred by network complexity

    Experts discussing the future of firewalls at the recent Burton Group Catalyst Conference 2003 say that the complexity in networks and applications desperately needs to be addressed.