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NETFUTURE: THE FUTURE IS NETWORKED

 * Blog
   * Blog
   * Blockchain critique
 * Publications
 * Open Source Software
   * TLS Interposer
   * Automatic SOGo configuration for iOS (iPhone/iPad) and MacOSX
   * vcard4-ts: vCard version 4 parsing, TypeScript-style
   * fake-super: Recover rsync attributes
   * dnstemple: DNS with Templates
 * Tutorials
   * Tutorial: Cyclic Redundancy Check (CRC) Computation
     * Background: Asynchronous Serial Communications (RS-232C)
     * Parity Bits
     * Checksums
     * Intermission: Classes of errors
     * Check Digits
     * Error Correction Codes (ECC)
     * Cyclic Redundancy Check sequences (CRC): A Big Mystery?
     * CRC Hardware Operation
     * Software CRC Computation
     * Mathematical Background
     * Polynomial view
 * About
   * Deutsch
   * English



Bevorzugen Sie Deutsch? Einige Artikel und mehr über mich gibt es auch in meiner
Muttersprache.

Today, any device is networked, not only our personal devices, but anything from
the fridge to the power plant. This implies endless possibilities, but also
possibilities galore for anything to go wrong. Decades of thorough theoretical
and hands-on experience enables me to guide you toward the right solution for
anything networked. Learn more…

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RECENT TECHNICAL ESSAYS

 * 
   50 years of microprocessor trend data2024-10-13
   I recently wrote a (German) article including this graphic (in German). Here
   is an English version of it. Have fun!
 * 
   Compact Archive for WordPress2024-07-27
   The default WordPress «Archive» block becomes very long and narrow, when
   months accumulate. Here is an easy way to make it more compact.
 * 
   DEFCON Voting Village 23 Panel2024-02-12
   There was a DEFCON Voting Village panel «If I can shop online, why can’t I
   vote online?» which I found extremely important to read or listen to. Not
   just for me, in fact, for anyone talking about electronic voting. Here… Read
   more: DEFCON Voting Village 23 Panel
 * 
   Counting like a computer2024-01-27
   Computers are very good at counting. But usually only within narrow limits.
   Here is an insight into where these limits come from and what goes wrong when
   they are exceeded.
 * 
   SMTP Smuggling Status2023-12-26
   «SMTP Smuggling» is a vulnerability that allows to circumvent some mail
   checks at the receiver and therefore will allow additional spam and/or
   phishing messages through. Here is the list of what we currently know.
 * 
   The year in review2023-12-23
   This is the time to catch up on what you missed during the year. For some, it
   is meeting the family. For others, doing snowsports. For even others, it is
   cuddling up and reading. This is an article for the… Read more: The year in
   review
 * 
   Kensington PowerPointer for Linux LibreOffice2023-11-11
   Navigating the slides works perfectly with the Kensington PowerPointer for
   LibreOffice under Linux, no questions asked. The extra functions
   (“laserpointing”, drawing, and screen blanking) are not well supported. Here
   is how to fix them.
 * 
   NFTs are unethical2023-07-18
   As an avid reader, you know my arguments that neither NFT nor smart contracts
   live up to their promises, and that the blockchain underneath is also more
   fragile and has a worse cost-benefit ratio than most believe. Similarly, I
   also… Read more: NFTs are unethical

All blog posts…


LET’S STAY IN TOUCH!

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ARCHIV

 * 2024: 10 | 07 | 02 | 01
 * 2023: 12 | 11 | 07 | 03 | 02 | 01
 * 2022: 12 | 11 | 10 | 06 | 05 | 04 | 03 | 02 | 01
 * 2021: 12 | 11 | 09 | 04 | 03
 * 2020: 05
 * 2019: 09 | 03 | 02
 * 2018: 10 | 09 | 07 | 05 | 01
 * 2017: 11 | 09 | 08 | 07 | 06 | 05 | 03 | 02
 * 2016: 10 | 09 | 08 | 07 | 06 | 03 | 02
 * 2015: 09 | 05 | 04 | 03 | 02
 * 2014: 12 | 11 | 10 | 09 | 08 | 07 | 06 | 05 | 01
 * 2013: 11 | 10 | 09 | 08 | 07 | 06 | 03
 * 2012: 11 | 10 | 09 | 07 | 05
 * 2011: 11 | 10 | 06 | 03 | 02
 * 2010: 11 | 05 | 04
 * 2009: 08 | 07 | 05 | 04
 * 2008: 11 | 08 | 06 | 05
 * 2007: 10 | 09 | 01
 * 2006: 10 | 09 | 06
 * 2004: 11 | 10 | 04 | 01
 * 2003: 12 | 10 | 09 | 07 | 06 | 03 | 01
 * 2002: 12 | 10 | 06 | 04 | 02 | 01
 * 2001: 11 | 09 | 08 | 06 | 05 | 03
 * 2000: 11 | 07 | 04
 * 1999: 09 | 08
 * 1998: 09 | 06
 * 1997: 08 | 05
 * 1995: 09
 * 1989: 07


THEMEN

Apache (4) Blockchain (17) Cloud Storage (12) Data Protection (5) Denial of
Service (8) DNS (11) DNS-SD (6) DNSSEC (6) Fast Routers (20) Federated Services
(6) Forwarding Lookups (4) FPGA (4) Hash Tables (8) Identity Management (6)
Internet of Things (8) Intrusion Detection (6) JSXC (10) Linux (19) Mac OS X (5)
Mobile Networks (7) MPLS (4) Multicast (15) NAT traversal (4) Network Processors
(4) NTP (6) NTS (6) Opportunistic Networks (9) Peer-to-Peer (23) Privacy (16)
Quality of Service (9) Replication (4) Security (53) Service Discovery (5)
Social Networks (8) Timestamps (6) TLS Interposer (6) Traffic Engineering (9)
Trust (8) Ubuntu (7) Usability (6) Web Applications (11) WISEchat (5) XML (8)
XMPP (11) Zeroconf (6)


SOFTWARE

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