This paper was presented at the 2nd International System Administration and Networking Conference "SANE 2000" May 22-25, 2000 in Maastricht, The Netherlands and is published in the proceedings.
This work was sponsored by http://www.servetheweb.com/ and donated to the FreeBSD Project for inclusion in the FreeBSD OS. FreeBSD 4.0-RELEASE was the first release including this code. Follow-on work was sponsored by Safeport Network Services, http://www.safeport.com/
 ... no matter how patently stupid it may be.