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Use VirusBarrier X6 to Find Internet Traffic Paths

Need to find out who owns a domain name, or where your traffic is being routed? VirusBarrier X6 has a number of network monitoring tools, including a built-in Whois search tool, and a Traceroute feature. If you use the latter, you can even display a map after the traceroute has completed, showing exactly where in the world data passes between your Mac and a selected IP address.

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QuickTime 7.4 Improves Security, but Not Enough

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Apple updated its media workhorse QuickTime to version 7.4 last week, fixing bugs and adding support for new iTunes features such as downloadable movie rentals. But the more important news is that this version squashes a handful of security holes that could allow remote attacks. However, a serious vulnerability discovered shortly before Macworld Expo demonstrates that Apple's engineers need to remain hard at work.

The QuickTime 7.4 update is available for Leopard (a 55 MB download), Tiger (a 51 MB download), Panther (a 50 MB download), and Windows (both XP and Vista, a 22 MB download).

The most recent exploit, not addressed in QuickTime 7.4, takes advantage of a hole in QuickTime's RTSP (Real Time Streaming Protocol) that could open a computer to a denial-of-service attack or possible remote code execution. (RTSP is not a new target; see "Protect Yourself from the QuickTime RTSP Vulnerability," 2007-09-07.) Because QuickTime is the underlying technology of iTunes, Macs and Windows computers running QuickTime are vulnerable. Anyone who uses iTunes or owns an iPod should update.

 

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