Internet

• Alphabet Soup, charsets
• Bug in Debian's Bind 9: DNS wildcards fail to resolve with DNSsec enabled
• Subnetting, netmasks and slash notation
• Cook your own CRC
• DNS Morons
  A bit of name and shame.
• Fibre optic communication
• Fibre optic link to Freedom Internet
  • Freedom Internet Fibre optic link configuration
  • Freedom Internet VoIP
    An Asterisk SIP trunk setup with multiple remote IP addresses.
    Note: This setup uses sip.conf. PjSip requires an other setup.
  • Freedom Internet PjSip
    This Asterisk setup uses chan_pjsip / pjsip.conf instead of chan_sip / sip.conf.
• Google search is unreliable
• HTML, SGML and XML entity list
• Hotmail and Outlook
  Hotmail and Outlook randomly block arbitrary IP addresses.
• Let's encrypt with Dehydrated
  Using dns-01 DNS challenge and wildcard domain.
• Lookup network card manufacturer
• Spam
• Keeping time and related stuff
• Voice Over IP
  • Asterisk
  • Lookup Country and Area code
• Unicode

IPv6

Links

• Common Gateway Interface
• Freedom Internet, TV en Bellen (Dutch)
• Internet Engineering Task Force
• Internet Assigned Numbers Authority
• IANA IPv4 Address Space Registry (slow)
• Service Name and Transport Protocol Port Number Registry
  These documents are about 3 MB and load very slowly!
  • XML Version, much slower than Text version!
  • TXT Version
• List of Internet top-level domains
• RFCs
• Root files
• Connection test. Contains DNSSsec test (requires JavaScript).
• O'Reilly Books catalogue
• What's wrong with the FONT element?
• Unicast Use of the Formerly Reserved 240/4
  Linux and Mac OS X already support this.

DNS flag day

• Domeinnaamhouders en operators moeten testen op EDNS-compliance (Dutch)
• ISC DNS Flag Day

W3C

• World Wide Web consortium
• Character Set Considered Harmful
• W3C HTML Validation Service

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