Linux gets trial 'NX' security support

Linux seller Red Hat and chipmaker Intel released prototype Linux software this week to support a security technology designed to curtail the spread of viruses.

The security technology, called NX for "no execute," is built into several "x86" processors from Intel, AMD and Transmeta. The technology is designed to block vulnerabilities that viruses and worms use to spread, but operating system support is required for NX to work. On Wednesday, Red Hat programmer Ingo Molnar announced a Linux patch for NX support based on a prototype from Intel.

Microsoft's Windows will support the NX technology when Service Pack 2 arrives, expected in the third quarter. In a discussion on the Linux kernel mailing list after Molnar posted the patch, Linux founder and leader Linus Torvalds asked how many programs wouldn't work using with NX enabled. On hearing the number was low, he then said, "It sounds like we should just have NX on by default."

News source: C|Net News.com

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