Posts in 2020
OpenBSD 6.6 BGP Looking Glass
Tuesday, April 14, 2020 in BGP
I’ve written about OpenBSD and BGP Looking Glasses previously and before that. OpenBSD has since removed nginx from base, and replaced it with their own httpd. This is OK with me since I prefer having my OpenBSD systems fully self-contained and …
Posts in 2018
AS112 and BIRD
Tuesday, March 06, 2018 in BGP
AS112 provides an anycasted reverse DNS sink hole for the private addresses set aside in RFC1918 and RFC6890. Using BIRD to inject an AS112 instance into your own system is quick, easy, and painless! This is nearly identical to using exabgp, except …
AS112 and Exabgp
Tuesday, February 13, 2018 in BGP
AS112 provides an anycasted reverse DNS sink hole for the private addresses set aside in RFC1918 and RFC6890. Using exabgp to inject an AS112 instance into your own system is quick, easy, and painless! Requirements BGP: your own autonomous system, …
Posts in 2017
Studying Canadian BGP
Saturday, May 13, 2017 in 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. I talk about this during my BSidesWpg 2013 talk: The practical …
BGP BLACKHOLE Community
Sunday, January 01, 2017 in BGP
DDoS attacks continue to be a wide-spread problem on the internet. Their size has grown over the past few years to where BGP Blackholing to reduce collateral damage has become widespread. As more and more networks built support for BGP Blackholing …
Posts in 2016
Large BGP Communities
Sunday, September 04, 2016 in BGP
One of the things I noticed when I received a 32-bit ASN was that I was unable to use my ASN in my BGP communities. I’m not the only one who has noticed this, and work has begun on a Draft Standard, Large BGP Community to address this …
A BGP Slash Command
Friday, July 15, 2016 in BGP
If you’re using Slack then you should already know how easy it is to integrate almost anything into slack using its web APIs. If you’re not already using Slack, what are you waiting for? As a Slack user and a network administrator I often …
IXP Peering Lan Hijacks
Tuesday, March 29, 2016 in BGP
Earlier this month the local Internet Exchange I’m involved with received some reports of spam coming from the MBIX Peering LAN IP space. Normally an Internet Exchange’s Peering LAN IP space is not announced to the world via BGP. Only …
BGP and Game Performance
Friday, February 19, 2016 in BGP
The makers of League of Legends, Riot Games, have posted a very interesting engineering blog about how they’ve engineered their AS for optimal game performance. They mention important things like, buying from a Tier 1 doesn’t solve all …