iptables, BIND 9, Squid, and the box the flat finally trusts

Preparing the real router migration before the final swap

dhcpd, BIND 8, Squid, and Adzapper for the whole flat

Wake the router with a ring, then update DynDNS from isdn4linux logs

SuSE, ipfwadm, and getting the line up only when traffic asks

SuSE 5.3, Teles ISDN, T-Online, and the modem that blinked for years