iljitsch.com

topics: BGP / IPv6 / more · settings · b&w · my business: inet⁶ consult · Twitter · Mastodon · LinkedIn · email · 🇺🇸 🇳🇱

Hi, I'm Iljitsch van Beijnum. Here on iljitsch.com I publish articles and post links about a range of topics.

Also have a look at my business web site inet⁶ consult.

Review: Sigma BC 16.16 STS CAD cycling computer

As I wrote earlier: recently, I lost another bike computer so I needed a new one. I decided to get a more recent version of the Sigma BC line that I've been using for the past decade: the Sigma BC 16.16 STS CAD. These seem to be on the way out now, being sold out almost everywhere. But no obvious replacement that isn't more expensive and more complex, so I'm glad I got to get one of the last ones.

Full article / permalink - posted 2023-01-01 - 🇳🇱 Nederlandse versie

The other skyline #1

Image link - posted 2022-12-30 in

Gedeeltelijke ontmanteling mandela voet/fietsbrug over de A12 in Zoetermeer

Image link - posted 2022-12-29 in

Can't ping your Mac? Make this change

Having trouble pinging or tracerouting your Mac?

That's because Apple's default is now to have the firewall "stealth mode" activated. That means your Mac doesn't respond to stuff like pings. If that's not what you want, simply uncheck that box in the firewall pane of the System Settings:

Letting your Mac respond to pings and traceroutes should not cause any trouble. But if in doubt, just keep the box checked.

Permalink - posted 2022-12-27

Speed and cadence sensors for your bicycle

It happened again: I look at my bicycle handlebars to see how fast I'm going, but my bicycle computer was gone. This happens to me every three to four years. A goot moment to reconsider what information I really need during and after cycling.

So let's talk about bluetooth and ANT+ bike speed sensors and Sigma Sport ATS and STS bike computers.

Full article / permalink - posted 2022-12-20 - 🇳🇱 Nederlandse versie

Has BGP routing security failed (yet)?

In the thorough style we've come to expect from him, Geoff Huston tries to answer the question Is Secured Routing a Market Failure? Please read about the market aspect (and the limitations imposed on the IETF by big router vendors) in that article. His final conclusion is broader, through:

But mostly it's a failure because it does not deliver. Security solutions that offer only a thin veneer of the appearance of improvement while offering little in the way of improved defence against determined attack are perhaps worse than a placebo.

Full article / permalink - posted 2022-12-13

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