News (23)

  • New denial-of-service threat emerges

    A new kind of denial-of-service attack has emerged that delivers a heftier blow to organisations' systems than previously seen DOS threats, according to VeriSign's security chief.

  • Defending the DNS

    The domain name system was designed to distribute authority, making organisations literally "masters of their own domain." But with this mastery comes the responsibility of contributing to the defense of the DNS.

  • TCP flaw threatens Web servers

    Two researchers in Sweden have found multiple flaws in the TCP stack that could lead to massive denial-of-service attacks if exploited. At present there is no workaround and there are no patches available.

  • New Trojan may have VeriSign in crosshairs

    Sophos anti-virus has confirmed that it is in the preliminary stages of analysing a new Trojan that may be linked to an organised attack on Verisign's domain name servers.

  • Denial of service attack causes huge domain outage

    The knock down of up to 600,000 websites of MyDomain.com and NamesDirect.com customers this week was caused by a massive Denial of Service (DoS) attack.

More News >

Features and Case Studies (12)

  • How to improve DNS security

    It's no surprise that domain name system (DNS) servers are vulnerable to a multitude of attacks, which can come in several forms. Here are tips on how to overcome these problems.

  • IT managers: Are your systems vulnerable?

    Security alerts, patches being issued and DoS attacks--CIOs and IT managers have a host of vulnerabilities and viruses to tackle. ZDNet Australia takes a look at some tips for getting it right.

  • Securing DNS servers

    Whether it’s configurations within Microsoft DNS service that can be used to make a server more secure, or additional operating system and network environment configurations, there are small measures you can take to help offer greater security.

  • Take notice of three serious new BIND/DNS flaws

    DNS runs the Internet, and in most cases, BIND is the underlying DNS software being used. Any BIND/DNS flaws are serious business, and now admins need to address three new, critical BIND vulnerabilities.

  • Sendmail flaw could lead to DoS attacks

    A new flaw in Sendmail, the widespread SMTP service for Linux and Unix systems, could lead to a DoS event. Learn the details about this flaw and other security updates.

More Features and Case Studies >

Reviews (5)

  • Five network maintenance tools tested

    With the right packet sniffers you can truly lead the dog's life. What's most impressive is network monitoring devices will help you see problems immediately. These tools can aid in analysis, migration, monitoring, security, testing, and administration of the network.

  • The broadband route: 12 routers tested

    Looking for an easy way to extend that broadband connection to more of your organisation's PCs? One of these broadband routers could be the solution.

  • Search and deploy

    ZDNet Australia looks at software deployment packages designed to help you reduce network administration costs.

  • Make Your PC Work Better

    Learn how to print painlessly, improve Internet connections, avoid crashes and more in this complete guide.

  • Windows Superguide 2000

    We’ve upgraded and so should you. Here’s our Windows Superguide with the straight story--much of it undocumented--about how to make Windows 2000 work for your business.

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