Basic HTML version of Foils prepared July 6 99

Foil 80 DNS Cache Poisoning (1)

From Security Infrastructure fo Electronic Commerce and Internet CPS714 Computational Science Information Track -- June 2 and June 7 99. by Roman Markowski
1 DNS - Domain Name Service - critical component of the Internet; maps names to IP addresses; mail exchanger
2 Clients use resolver to access DNS servers
3 BIND - Berkeley Internet Name Domain - most common DNS
4 DNS servers query each other to resolve names (QueryID)
5 To lower traffic requirements, DNS servers will cache answers
6 Client
7 Local
8 DNS
9 Company
10 DNS
11 COM
12 DNS
13 Root
14 DNS
15 www.company.com
in Table To:

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Page produced by wwwfoil on Tue Jul 6 1999