Internet-related information
and technical reviews of network equipment

Free software

Software freely available for use.

Networking

Technical introduction to data fiber Optical data fiber is getting commonplace in home and small-business networks New
Configuring a simple set of asymmetric VLANs on a D-Link DGS-1210 series smart switch
Extending asymmetric VLANs onto a second D-Link DGS-1210 series smart switch
Asus XG-C100-F 10 G SFP+ PCIe network card New
Asus RT-AC86U Ethernet & WiFi home/gaming router
Cisco 2921 basic configuration
Cisco RV320 and RV340 small-business routers
Cisco C931-4P enterprise branch router
Cisco C931-4P basic configuration
Cisco C3560CX-8PC small-business switch
Mikrotik CCR2004-16G-2S+PC router/firewall
Mikrotik CCR2004-16G-2S+PC basic configuration

Spam, phishing and other Internet fraud

About spam - What is spam (of the e-mail type), and what to do about it
Tracing spam - How to trace the sender of spam
A creative "Nigerian letter"- For your entertainment and education, and an eye-opener for the would-be fools who, now and then, still fall for this type of scam.
Two Nigerian letters from Spain - Also for your entertainment and education, two Nigerian letters delivered by ordinary mail.
The "Russian Doll" Nigerian letter - A scam-within-scam-within-scam Nigerian letter.
A fake ransom demand - A fake demand for the payment of ransom (actually a mass-mailing), and another example.
Fake police summons and a second example - No, Interpol will not use a Gmail address to send you an official notice of criminal investigation, threaten you with a large fine, and demand that you confess of being guilty of downloading child pornography.
Fake Norton and Paypal invoices (but very real phishing attempts). New

Internet-related laws

Copyright, patents and trademarks - A simple discussion.

Older pages, no longer relevant to the present situation

Spambait - A program for generating millions of false e-mail addresses to put as bait on your web site, read the instructions and download the program
See an example of program output here.