• CAP
• OSI stuff - not really sure why people bother with this stuff, but here's a relatively good one
• DSL in depth
• Communications technologies - a peek at the next generation
• Samba
• MBONE Home Page
• ip-filter
• Mojo - lots of good network info and links
• O'Reilly article about IPv6
• Draft document describing changes from IPv4 sockets API, to IPv6 sockets API (draft)
• The Case for IPv6 (draft)
• IPv6 transition (draft)
• mit-ethernet-numbers.txt
• IEEE's list of ethernet vendor codes (much better than the old MIT list)
• port numbers
• More ethernet numbers
• SMC jumpers (western digital)
• Pager info
• Cool hostnames
• Internet Software Consortium
• Search comp.protocols.appletalk
• MacGate - IP to localtalk gateway
• tcpshow - a wrapper for tcpdump
• ADSL Forum home page
• COX on cable modems
• OAC page on cable modems
• Sunworld online article comparing current network media (October 1997)
• DNS info
• More DNS info
• DNS database files
• Internic official domain name listing
• Assigned port numbers
• Linux-net archive (searchable)
• ISP's
• Checking to see if your host denies relaying (antispam test)
• RFC2142: standard mailbox names
• Firewalls

• Fishnet Consulting: types of firewalls

turning off ICMP

• Path MTU Discovery and filtering ICMP

measuring bandwidth

• 2wire

Wireless

• ARS Technica: Wireless security blackpaper