One floppy Linux-based ISDN, DSL, Ethernet router; builds on old 486 PC, 16 MB RAM, on Linux, Unix, Windows; needs no Linux knowledge per se but is useful; needs basic knowledge of networking, TCP/IP, DNS, routing. English, German.

By Zelow Consulting; one floppy based, static (screening) router with firewall abilities in Linux; mostly Debian-based; needs 386sx+, 12 MB RAM; simple packaging system, logging via klogd/syslogd, local and remote.

Name means FREE ciSCO, a free replacement for commercial routers, supports up to 3 ethernet/arcnet/token_ring/arlan network cards, and 2 modems.

Portable Linux distribution that boots from 2-3 floppies (or a FAT 16 partition) and runs entirely in RAM. Contains latest versions of popular network security tools. Useful for mapping and monitoring TCP/IP networks.