Sean’s Obsessions

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Archive for April, 2007

18 Apr

Analyze BGP peering with TAIND

I’ve uploaded some of my code to sourceforge to a new project called taind - tools for analyzing and interpreting netflow data. I wrote this to analyze BGP peering options, it uses netflow data and multiple BGP tables (from “show ip bgp”) to evaluate what your current traffic distribution is, and what it would […]

14 Apr

A few notes on squid as a reverse proxy

b5media uses a handful of web servers fronted by a load balancer. We’re getting quite busy in terms of traffic, so I finally got around to putting reverse proxy in front of the farm. A reverse proxy accepts the request from the user and checks its cache for the result. If no answer is found, […]

02 Apr

A tale of two PDF products

Books in PDF (or other online format) are nothing new, but somehow reading 400 pages on my monitor doesn’t do it for me. I’ve noticed a couple of publishers offering documents in the 50-60 page range on more niche topics though. After contacting the publishers and arranging for a couple of samples, I’m here […]

02 Apr

My Linux Journal articles are online

I had meant to put these up as .PDFs, but it appears ACM archives LJ articles once they go public (~30 days after the magazine comes out). Enjoy.
How to configure SIP and NAT
Expose VoIP Problems Using Wireshark

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