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The web as an information source

Liberated content

My separate site for freely licensed and other freely available content on the web

An introduction to web research

Ways of squeezing information from the web

wfind, a web search spider

A generic and powerful spider for searching web documents and local files

Secure communication

A non-technical explanation of Pretty Good Privacy

The public-key system PGP in principle

GnuPG without mailer support

An introduction to casual use of PGP/GnuPG with webmail services or mailers without PGP integration

Absolutely secure communication using one-time pads

A TCP relay implementing a time-honoured method against man-in-the-middle attacks

Other web content and networking

The hacker's guide to OpenStreetmap

Collected technical documentation and tutorials on the open but underdocumented mapping data project

Learning about network protocols using socat

Observe network protocols in transit for education and troubleshooting

Using e-mail accounts for short-term backups

Use storage space ISPs give you because they think you can't use it