Jeroen Massar

Helper: Networking (People&Cats, LoadBalancing, Flows, BGP, eBPF/XDP, DNS), Security & Privacy. Enjoying the world one bit at a time & making things go fast.

View and opinions my own. I do not represent any of the organisations that employ & feed me.
Please contact the PR contacts for official opinions.

Used to run https://sixxs.net, now operates https://massars.net

Homepage: https://jeroen.massar.ch
Massar’s Network: https://massars.net
ASN: 57777

Last Notes

2026-02-19 14:15:33 UTC

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primarily shows that the encryption and protocol overheads of TLS and HTTP are huge..... ;)
Also, that is not exactly a homelab ;)

2026-02-11 08:42:52 UTC

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I would not be surprised if your problem is related to the last line:
```
NetRange: 204.11.50.128 - 204.11.50.143
…
NetName: PRIORITYCOLO-204-11-50-128
Organization: Boing Boing (BB-50)
Comment: Note: We run a TOR exit relay on 204.11.50.131, The node at this IP address is very likely protected by DMCA "Safe Harbor" provisions as a result.
```
getting a MSFT contact to fix mail….. sorry, but can only wish you good luck :(

2026-02-03 22:49:56 UTC

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as it is almost summer (with snow today down to ~300m) the feature that every mobile screen needs is the nano display layer that apple uses, or anything similar so that one can take the mobile device and sit nicely in the sun and properly read the screen.

2026-01-23 09:21:58 UTC

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Looks like 4th gen petabox, of which several racks where at ISC (isc.org) in Redwood City; but even well over a decade ago, there where at least 10 racks there already :)
@npub1ftl…3e6s how much documentation is there actually about the growth and history / timeline of the Internet Archive itself?
a few finds:
https://blog.archive.org/2010/07/27/the-fourth-generation-petabox/
https://archive.org/web/petabox
https://www.bibalex.org/en/MediaGallery/Default/internetarchive

2025-10-28 18:58:50 UTC

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Note that CNN misquotes!
The core three points are at the top of his essay:
- Climate change is serious, but we’ve made great progress. We need to keep backing the breakthroughs that will help the world reach zero emissions.
- But we can’t cut funding for health and development—programs that help people stay resilient in the face of climate change—to do it.
read the real full essay here:
https://www.gatesnotes.com/home/home-page-topic/reader/three-tough-truths-about-climate

2025-04-08 18:21:58 UTC

@npub1cj7…nq3s one for you: Skyper / TESO on Where Warlocks Stay Up Late - Episode 4 "Eduart Steiner aka Skyper" https://www.youtube.com/watch?v=sQVLniT9CDY

2025-04-03 15:19:28 UTC

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For endusers (to resolvers), you have setup RFC9462 also?

2025-01-14 22:27:15 UTC

For folks running public rsync-able services, might be an idea to shutter them for a wee bit: https://www.openwall.com/lists/oss-security/2025/01/14/3 (CVE-2024-12084 etc)
```
In the most severe CVE, an attacker only requires
anonymous read access to a rsync server, such as a public mirror, to
execute arbitrary code on the machine the server is running on.
```

2024-10-16 14:25:49 UTC

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when transporting your servers like that, do anticipate for dirt, and worse, rain. Two Ikea blue bags fit great for most servers ;) [one over the top, one over the bottom upwards due to dirt/mud coming from the floor).
At arrival, do acclimatize the server and ensure to reseat many cards; which is why a outer carton box is advised. Good luck with the new toy! -- fellow server-by-public-transport person ;)