code, security, tech

really, really, really nuke iptables

February 9, 2015

I think this is the way to really clear out all the stuff in iptables, the arcane packet filtering thing for Linux. At least… I think. My take on it,...

art, audit, dinosaur, philosophy, security, tech, work

<3 Policy

December 8, 2014

Security Policies Let us praise, slay, and bury security policies together. A security policy is perhaps the best way to deal with the security monster. It concerns itself with business and...

dinosaur, tech

getting tcpdump to write to pcap format

November 3, 2014

I wouldn’t think I’d be writing something like this, but….. Apple changed the default of tcpdump to writeout pcap-ng format, which wireshark doens’t understand by default. Wasn’t sure what was...

code, dinosaurs, embedded, ipmi, python, security, tech

Get Device ID (moar IPMI… yawn….)

October 12, 2014

I’d had this sitting around for awhile and thought I’d take another look at it; in this I simply toss out an IPMI Get Device ID command and see what happens....

code, embedded, ipmi, security, tech

mega mega mega… chan chan chan….

September 4, 2014

Or… Notes on the IPMI Protocol Security Model. I wrote in Sold Down the River about the curious aspects of channels and authentication and users and all that stuff. Here’s...