Jan-Pieter Cornet (@johnpc42) profile picture

xs4all sysadmin, programmer, hacker, rock-climber and father

Joined September 2010
Photo by Jan-Pieter Cornet (@johnpc42)Photo by Jan-Pieter Cornet (@johnpc42)Photo by Jan-Pieter Cornet (@johnpc42)Photo by Jan-Pieter Cornet (@johnpc42)Photo by Jan-Pieter Cornet (@johnpc42)Photo by Jan-Pieter Cornet (@johnpc42)Photo by Jan-Pieter Cornet (@johnpc42)Photo by Jan-Pieter Cornet (@johnpc42)Photo by Jan-Pieter Cornet (@johnpc42)
Replying to @BlendleNL
@BlendleNL die #AI stemmen zijn niet om aan te horen. Ik ga m'n nieuws voorlopig elders halen. Jammer! 👋
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Jan-Pieter Cornet retweeted
Qakbot 🦆🤖 takedown!!! Qakbot has been disrupted and dismantled by the FBI following a multinational effort. We will be assisting with the remediation - more info to follow... #malware #takedown #qakbot fbi.gov/news/stories/fbi-par…
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Jan-Pieter Cornet retweeted
“We'll kill spam in two years”❗Breaking News: Spam is still here❗ This Bill Gates gem is now almost 20 years old 🎂 👇theregister.com/2004/01/26/w… And how ironic, Spamhaus researchers now observe Microsoft to be the worst ISP, placing it top of Spamhaus’ CSS List. #SpamDefinitelyNotDead #TakeActionMicrosoft
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Jan-Pieter Cornet retweeted
It's not difficult for our ticketing team to spot when our researchers discover a new group of spammers to shut down 🎯 Look at the spike in tickets (bottom) vs. listings (top)! One new rule and a few thousand listings in less than one week equals A LOT of angry spammers 😡 ! 🤘#ResearchersRule #TicketDeskTales
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Replying to @KLM
@klm na een vrij irritante notificatie met popup uit de app, heb ik alle app permissies maar ingetrokken. Nog een #klmhack? Of een rogue marketeer die de boel aan het verpesten is?
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Replying to @VDukhovni @xs4cso
Ah, yes, you are right. I stand corrected, X3 is no longer useful.
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... we still need to know what the field of view was. Or what the time span of the movie is. Hope I'm correct so far? Thanks! 4/4
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so it came from the left in this image (as could be guessed from the debris that came off, at least DART didn't punch through the rubble pile!). Also, the debris formed a massive cloud of tens of km across, apparently. But for proper measurements 3/X
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So we are looking at the Didymos/Dimorphos system, which is going about 5km/s faster than earth in its orbit at the moment. That suggests this is not real-time but sped up a few times. DART was "ahead" of Didymos going against it's orbit, 2/X
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Impressive images! What is the timespan of these images, and what is the FoV here? I did some calculations, and please correct me if I'm wrong. The resolution of your telescope is about .1 arcsec, so at this distance ~5km (assuming visible light). 1/X
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Replying to @VDukhovni @xs4cso
The mail servers are no longer operational, so all records can be removed. I'm not sure about X3 though, isn't that still marginally useful for old android compatibility? LE says as much in letsencrypt.org/docs/dst-roo…
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My last day working for XS4ALL... Did some fixes on the few servers that will remain running, wiped a lot of data, shut the door behind me, then had a nice drink with colleagues and friends. Strange feeling that I won't go back there, but excited to be looking for new things...
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Jan-Pieter Cornet retweeted
Laatste minuten van de XS4ALL shell-server. #xs4all #exit4all
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Jan-Pieter Cornet retweeted
En gevonden door collega @johnpc42 #xs4all #exit4all
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Jan-Pieter Cornet retweeted
The @xs4all team cracked the @ATComputing code at @mch2022 and got themselves a nice price. Crack the code and open a locker at the ATtent
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Zodra je lijn gemigreerd is naar KPN, werken de xs4all.nl DNS entries niet meer. Zie punt I3 op xs4all.nl/overzicht/
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Je zou nog "forced TLS bij mail ophalen" en "RequireTLS" kunnen noemen, maar XS heeft die laatste (rfc8689) ook nooit helemaal ontwikkeld. Alleen de header werd gesupport en dat was experimenteel. Mis je nog meer?
Replying to @internet_nl @xs4all
Yep. Nog wel. Nog niet bekend wanneer dat uit gaat.
I was going to type “book”. The internet is awful! ⁦@drbecky_⁩
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.. verduidelijking: dit geldt specifiek en alleen voor de mail servers. Voor je thuis aansluiting worden IPv6 en DNSSEC gewoon gesupport, net als bij @xs4all.
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