Musings on technology, philosophy, and life in the corporate world
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Hi. I'm a Unix Administrator, mathematics enthusiast, and amateur philosopher. This is where I rant about that which upsets me, laugh about that which amuses me, and jabber about that which holds my interest most: Unix.
Posted 10-21-2012 at 07:39 PM byrocket357 (Musings on technology, philosophy, and life in the corporate world)
I was driving to the store tonight. As I drove through the (seemingly) deserted stretch of parking lot, I came up to a man, woman, and child walking through the dimly lit area. I noticed that they were uncomfortably close to the road, so I started to fade to the left to avoid them. As I approached, the man continued narrowing the gap between my 2 1/2 ton vehicle and his body. His wife wisely stayed to the right with their child...but then an amazing thing happened...
Posted 10-16-2012 at 05:20 PM byrocket357 (Musings on technology, philosophy, and life in the corporate world)
It's been nearly a year since I started working at Rackspace, so I've been thinking alot over the past few days about how my life has changed since I started this insane wild ride. Aside from the expected "I live in San Antonio now", or "I make better money now", or even "I can't begin to explain how much I've learned in the past year", there are deeper, more subtle changes that have had oddly profound effects on my day to day life.
Posted 10-01-2012 at 10:36 PM byrocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 10-02-2012 at 09:22 AM byrocket357
So a while back I got my hands on a Cisco 2948 for my home network. Sure, it's only 10/100. Sure, it's an older model. Sure, it's EOL.
But damn it's sexy in my livingroom...48 ports of Cisco goodness. Port security! VLANS! So much more than my other "dumb" switches! Imagine the possibilities! I set off flipping knobs and tweaking everything as tight as I can. Months of restful sleep ensue, with my world protected by pf and a locked down switch.
Posted 08-30-2012 at 01:28 AM byrocket357 (Musings on technology, philosophy, and life in the corporate world)
I've run a cool trick for a while on my OpenBSD firewall at home, where traffic from any given ip address and port 22 on the firewall is rate limited. If an ip exceeds the given rate, it is put into a ban list (table, actually) that the firewall is configured to drop all traffic from. It works well, and the same functionality can be setup in Linux, too.
To set it up on OpenBSD (this is lifted verbatim from the OpenBSD website pf manual, hence port www instead of port ssh): ...