@blog.benjojo.co.uk@rss-parrot.net
I'm an automated parrot! I relay a website's RSS feed to the Fediverse. Every time a new post appears in the feed, I toot about it. Follow me to get all new posts in your Mastodon timeline! Brought to you by the RSS Parrot.
---
Programming, Networking and some things I found hard to fix at some point
Site URL: blog.benjojo.co.uk
Feed URL: blog.benjojo.co.uk/rss.xml
Posts: 10
Followers: 1
Picking uncontested private IP subnets with usage data
https://blog.benjojo.co.uk/post/picking-unused-rfc1918-ip-space
Published: June 5, 2025 10:32
Picking uncontested private IP subnets with usage data If the device you are reading this on has an IPv4 address, it is very likely not a publicly routeable one. This is because the wide scale dep
BGP handling bug causes widespread internet routing instability
https://blog.benjojo.co.uk/post/bgp-attr-40-junos-arista-session-reset-incident
Published: May 27, 2025 10:45
BGP handling bug causes widespread internet routing instability At 7AM (UTC) on Wednesday May 20th 2025 a BGP message was propagated that triggered surprising (to many) behaviours with two major B
Building Ultra Long Range TOSLINK
https://blog.benjojo.co.uk/post/sfp-experiment-ultra-long-range-toslink
Published: January 7, 2025 12:24
Building Ultra Long Range TOSLINK This post is a textual version of a talk I gave at The 38th Chaos Computer Congress at the end of 2018
The "simple" 38 step journey to getting an RFC
https://blog.benjojo.co.uk/post/rfc-in-38-simple-steps
Published: December 5, 2024 10:43
The “simple” 38 step journey to getting an RFC The Internet is built on the mutual understanding of network protocols and practices, and most of those protocols are defined using Request For Comments (RFC) or Best Common Practices (BCP) documents.
Flexing the Windows RRAS BGP implementation
https://blog.benjojo.co.uk/post/flexing-windows-rras-bgp-stack-ipv6
Published: September 26, 2024 10:01
Flexing the Windows RRAS BGP implementation At this point I am a bit of a BGP protocol implementation connoisseur thanks to
Better IX network quality monitoring
https://blog.benjojo.co.uk/post/ixp-xping-better-ix-monitoring
Published: August 22, 2024 10:47
Better IX network quality monitoring This post is a textual version of a talk I gave at the first NetUK. You can watch the talk on YouTube that was recorded by the wonderful AV team below if that’s your preferred medium:
Reclaiming IPv4 Class E's 240.0.0.0/4
https://blog.benjojo.co.uk/post/class-e-addresses-in-the-real-world
Published: May 27, 2024 13:42
Reclaiming IPv4 Class E’s 240.0.0.0/4 A video recording of
Sysadmin friendly high speed ethernet switching
https://blog.benjojo.co.uk/post/sn2010-linux-hacking-switchdev
Published: April 18, 2024 10:05
Sysadmin friendly high speed ethernet switching I’ve been on the lookout for a ethernet switch that I don’t hate, the problem with a lot of higher
Signed but not secure
https://blog.benjojo.co.uk/post/rpki-signed-but-not-secure
Published: March 21, 2024 16:31
Signed but not secure At the start of the year a very interesting (and some would say inevitable) event happened involving internet routing security, the first case study of a large-scale victim o
Appreciation of automated IX Quarantine LAN testing
https://blog.benjojo.co.uk/post/ixbr-automated-quarantine
Published: February 1, 2024 11:27
Appreciation of automated IX Quarantine LAN testing Something that bgp.tools (my company) does a great deal is joining internet exchanges.