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Y U NO MONITOR DATACENTER TEMPERATURE!?

October 18, 2012
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In a previous life, I worked at a .edu and lived, roughly, across the street from the building that housed IT. I don’t recall what it was that caused me to go to work that Monday evening, the third day of a three-day (holiday) weekend, but as anyone who works in IT would likely agree, […]

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Why Best Practices Are Important (or: How I Pwn’d The Shit Out Of My ISP)

September 28, 2012
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Note: The events described herein took place many, many years ago (the statute of limitations has long since expired!), but the moral of the story remains the same. This topic came up on IRC a few nights ago and since a) several were interested in the story and b) I’m heading out to DerbyCon shortly, […]

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Access Controls for HP ProCurve Devices

August 6, 2010

Yesterday, the Internet Storm Center published a diary called “Access Controls for Network Infrastructure”. That particular diary is Cisco-centric, so I thought I’d put together something similar for HP ProCurve gear (at least the 2650, 2910s, and 5400s I’ve worked with). Default Credentials HP ProCurve gear ships without any type of authentication, by default. This […]

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SNMPv3 Configuration for ProCurve Switches

December 22, 2008

I found myself recently setting up new HP ProCurve 5400 switches in production. Because I’m a network guy, I like to keep an eye on them (interface counters, traps, etc.), thus setting up SNMPv3 was necessary. In addition, these devices come (“out of the box”) with a default read-write community string set to — you […]

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