Basic HTML version of Foils prepared July 6 99

Foil 71 Firewalls (3)

From Security Infrastructure fo Electronic Commerce and Internet CPS714 Computational Science Information Track -- June 2 and June 7 99. by Roman Markowski
1 Management and systems personnel often assume that if they have a firewall, they have sufficient security and no further security checks are needed
2 Some network services (like ftp, http, sendmail, telnet) are passed through the firewall
3 External
4 network
5 Internal
6 Mail, DNS, NIS, FTP
7 Print, NFS, WWW
8 Web
9 Server
10 Firewall
11 DNS
12 Multi-homed firewall
in Table To:

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