Vulnerabilities, Attacks, and Common Exploits
This section covers some of the vulnerabilities in TCP/IP and the tools used to exploit IP networks.
TCP/IP is an open standard protocol, which means that both network administrators and intruders are aware of the TCP/IP architecture and vulnerabilities.
NOTE
There are a number of network vulnerabilities, such as password protection, lack of authentication mechanism, use of unprotected routing protocols, and firewall holes. This section concentrates on TCP/IP vulnerabilities.
Network intruders can capture, manipulate, and replay data. Intruders typically try to cause as much damage to a network as possible by using the following methods:
Vandalizing— Accessing the web server and altering web pages. ...
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