December 2001
Intermediate to advanced
656 pages
27h 19m
English
Content preview from Networking Explained, 2nd Edition
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488 Networking Explained, Second Edition
30. Is there a simple way to select a firewall? Isn’t there one vendor that offers all the
types of firewalls in one package?
Since firewall requirements vary dramatically from company to company, there are
many situations in which more than one product from more than one vendor is required to
provide proper firewall facilities. A router with packet filters would be almost a necessity
for each site. A user terminal security facility for Telnet users is also necessary, but no
routers manufactured today can provide both the sophisticated security facilities for termi-
nal traffic as well as swift routing facilities. ...
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