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RabbitMQ - PSaaS

I wrote a small web application which I’m calling “PSaas” – Port Scan as a Service. This webapp was an opportunity for me to do some coding and interaction with RabbitMQ.

OSX Built-in TFTP Server

OSX has a built-in TFTP server, but starting it the OSX way may not be 100% obvious to you. sudo launchctl load -F /System/Library/LaunchDaemons/tftp.plist sudo launchctl start com.

2017 Canadian ISP Summit

This past week I was in Toronto for the 2017 Canadian ISP Summit put on by CNOC. This was my first time traveling outside of Winnipeg to meet a group of my networking peers.

Studying Canadian BGP

Over the past four or so years I’ve been researching BGP routing in Canada. My first interest in studying Canadian BGP came as a result of studying historical BGP hijacks.

HA Recursive DNS with dnsdist and exabgp

I’ve wanted to use exabgp along with dnsdist to provide anycasted, highly available recursive DNS servers ever since discovering dnsdist. This is a fourth in blog series about DNS, specifically awesome things that can be done with dnsdist.

fpinglog

I’ve often wished for a way of logging pings when troubleshooting connectivity problems. Today I revisited the problem using fping. fping and fping6 both have options to run a continuous ping (-l), and when combined with -D to insert the unix timestamp, can log the latency and loss to a destination in 1s increments.