Benjojo's Blog Archives - NetworkingNexus.net

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

A abandoned back ally, overalid is windows window saysing "starting RRAS"

At this point I am a bit of a BGP protocol implementation connoisseur thanks to

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

A video recording of

Sysadmin friendly high speed ethernet switching

A skrillex style logo, but it says mellonx instead

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

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

Something that bgp.tools (my company) does a great deal is joining internet exchanges.

Where is all of the fediverse?

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Spurred on by the problems at Twitter, a lot of my social media timeline has “moved out” of Twitter/“X” on to what people mostly describe as mastodon or

The browsers biggest TLS mistake

Much like a previous talk of mine at Chaos Computer Congress this blog post is a direct write-up of a talk, if you prefer to consume this kind

Grave flaws in BGP Error handling

A broken fuse

Border Gateway Protocol is the de facto protocol that directs routing decisions between different ISP networks, and is generally known as the “glue”

Driver adventures for a 1999 webcam

We generally know that when we buy a piece of technology that it will not last forever, connectors wear out and/or go out of fashion. But I think the most frust

Going multipath without Multipath TCP

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Gigabit ethernet has been around for a long time, it’s so ubiquitous that there is a very strong chance that if you have a RJ-45 port on your compu

Who is squatting IPv4 addresses?

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It’s an established fact on the internet that we have ran out of IP(v4) addresses, and we are st

Who is Squatting IPv4 addresses?

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It’s an established fact on the internet that we have ran out of IP(v4) addresses, and we are st

LTO Tape data storage for Linux nerds

The insides of a LTO-5 tape

Tape storage is surprisingly not dead! If you are here then you may be considering using LTO tape as part of your backup or your lo

Ghost in the ethernet optic

A Smart SFP

A few months ago I stumbled on a tweet pointing out a kind of [SFP optic](https://en.wikiped

One of these JPEGs is not like the other

“JPEG” or the image encoding specification by the “Joint Photographic Experts Group” (JPEG) is a truly universal format at this stage. You really cannot go very far on the internet without seeing a JPEG file

Imaging mounted disk volumes under duress

drive-jenga

Backups are critical. If you are lucky and organised you have a set of useful backup primitives, such as Point in Time snapshots on your Infra

Hunting down the stuck BGP routes

BGP is the glue between all of the thousands of border routers that make up the internet (you can find this post (battleships) and [this post (EvE)](https://blog.b

Splitting the ping

Ping is one of the fundamental pillars of networking. It’s simple, universally supported, and is normally one of the f

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