Archive for March, 2009

More AS4_PATH Triggered Global Routing Instability

March 18, 2009 by Danny McPherson

For those of you not paying attention, a slew of new instabilities in the global routing system are occurring – again.  These are presumably being tickled by another ugly AS4_PATH tunnel bug where someone [read: broken implementation] erroneously includes AS_CONFED_* segments in an AS4_PATH attribute – a transitive optional BGP attribute that’s essentially ‘tunneled’ between [...]

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DPI is not a Four-letter Word!

March 12, 2009 by Kurt Dobbins

As founder and CTO of Ellacoya Networks, a pioneer in DPI, and now having spent the last year at Arbor, a pioneer in network-based security, I have witnessed first hand the evolution of Deep Packet Inspection. It has evolved from a niche traffic management technology to an integrated service delivery platform. Once relegated to the [...]

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Jose Nazario on botnets, cyberwarfare

March 12, 2009 by Arbor Networks

(SOURCE Boston 2009) Botnets are being used more frequently to silence political dissenters, explains Jose Nazario of Arbor Networks. Nazario has been studying the rise of botnets as a tool used in cyberwarfare.

 
 Jose Nazario on botnets, cyberwarfare [6:04m]: Play Now | Play in Popup | Download (6587)
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ATLAS 2.0: Observing A Rapidly Changing Internet

March 10, 2009 by Danny McPherson

It’s already been over 2 years ago since we first introduced our Active Threat Level Analysis System – ATLAS, a multiphase project that’s been evolving pretty much constantly ever since.  The first phase of ATLAS focused on capturing data via a globally scoped network of sensors running a number of data capture and analysis tools [...]

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Has Conficker Growth Slowed?

March 3, 2009 by Jose Nazario

Or is it too early to tell?
I suspect that things like this are always best determined long after they’ve happened. The bottom of a recession or the top of the bubble, the end or even just the beginning. But we’ve seen Conficker numbers host steady at ~3 million unique IPs a day for the past [...]

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