Building Internet Firewalls, 2nd Edition by Elizabeth D. Zwicky, Simon Cooper & D. Brent Chapman This errata page lists errors outstanding in the most recent printing. If you have technical questions or error reports, you can send them to booktech@oreilly.com. Please specify the printing date of your copy. This page was last modified on September 1, 2005. Here's a key to the markup: [page-number]: serious technical mistake {page-number}: minor technical mistake : important language/formatting problem (page-number): language change or minor formatting problem ?page-number?: reader question or request for clarification CONFIRMED errors: (490), in the penultimate paragraph, under section heading WINDOWS 2000 TELNET I read "...to attempt NTLM authentication and fall back to NTLM authentication..." this should read "...to attempt NTLM authentication and fall back to cleartext authentication..." (506), in the second paragraph, under section heading PACKET FILTERING CHARACTERISITICS OF SSH I read "...port 1024 below..." should read "...port below 1024..."