August 2002
Intermediate to advanced
512 pages
13h 34m
English
Content preview from Network Intrusion Detection, Third Edition
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Chapter 6. DNS
Why devote an entire chapter to DNS? Isn’t DNS used to translate a host name to an IP address and that’s about it? Sure, that is a big and important part of DNS, but DNS is much more.
DNS servers are probably one of the most common targets of reconnaissance and exploit efforts. Your DNS server is a cherished prize for a hacker to compromise, so hackers are going to see how vulnerable it is by pounding on it for weaknesses. DNS servers are targeted for the following reasons:
DNS servers can provide a lot of reconnaissance information about hosts in preparation for launching an attack of a targeted network.
DNS is used to resolve host ...
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