On 7 Jun 2001, at 22:32, Zachary Uram wrote: > I never heard of any mainframes being cracked into. I have -- but I wrote my first program in 1969, and first got paid to program in 1976. Remote access wasn't all that common in those days, but most of the systems on the other end of the line were mainframes -- and a firewall was an explosive bolt to physically cut the connection to a remote site in an emergency. David Gillett - [To unsubscribe, send mail to majordomo@lists.gnac.net with "unsubscribe firewalls" in the body of the message.]