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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for March 10th, 2020

The last thing you need to do when you cause link rot is to list the page as “online banking is down”

Posted by jpluimers on 2020/03/10

Nice example on how not to copy with link rot: as a bank is to indicate “internet banking is unavailable” scares your customers away.

[WayBack] Jeroen Pluimers on Twitter: “dit heet overigens link rot, en gebruiksvriendelijke sites proberen dat te voorkomen; is zeker niet gecompliceerd en eigenlijk ook niet complex: het is een kleine moeite om dat in je ontwerp en onderhoud-proces mee te nemen. 1/2 …

[WayBackJeroen Pluimers on Twitter: “de huidige down-melding zet sowieso je klanten volledig op het verkeerde been, dus daar moet zeker iets aan gebeuren. 2/2 “I.v.m. een storing kunt u geen gebruik maken van Internet Bankieren. Internet Banking is unavailable”…”



Posted in Conference Topics, Conferences, Development, Event, LifeHacker, Power User, Software Development, Usability, User Experience (ux), Web Development | Leave a Comment »

ssh – Why OpenSSH deprecated DSA keys – Information Security Stack Exchange

Posted by jpluimers on 2020/03/10

In a lot of ssh-keygen related posts, you still see DSA being mentioned, though that has been deprecated and later removed from OpenSSH.

I wondered why, so I did some digging.

TL;DR: it’s complicated:

  • different standards mandating eventually conflicting parameters,
  • extending the parameters would require protocol extension,
  • a logjam vulnerability for certain combinations of parameters and finally
  • better algorithms having become available.

Some of the related topics cannot be archived in the WayBack machine or refuse being archived at, so here is a list of partially archived relevant links:


Posted in Communications Development, Development, Internet protocol suite, Power User, Security, SSH, TCP | Leave a Comment »

Start Together. Finish Together – Hacker Noon

Posted by jpluimers on 2020/03/10

I need to read more Hacker Noon stuff:

It may seem counterintuitive, but… Start Together. Finish Together – Hacker Noon [WayBack]

Via a mention of the “non developers” point of view, who are the key persons to do this whole “start/finish together” mantra wit: [WayBack] “Their mental model is that developers/designers are this tiny little pipe, and you have to play this intricate game of Tetris to get the most amount of… – Marjan Venema – Google+ (who does great coaching, so be sure to check out her postings)




Posted in Agile, Development, Software Development | Leave a Comment »

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