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338 Chapter 5 • Communication Security: Web Based Services

Figure 5.22 Viewing Captured Packets in Wireshark

Directory Services and LDAP Security

Directory services are used to store and retrieve information about objects, which
are managed by the service. On a network, these objects can include user accounts,
computer accounts, mail accounts, and information on resources available on the
network. Because these objects are organized in a directory structure, you can
manage them by accessing various properties associated with them. For example, a
person’s account to use the network would be managed through such attributes as
their username, password, times they’re allowed to logon, and other properties of
their account. By using a directory service to organize and access this information,
the objects maintained by the service can be effectively managed.
The concept of a directory service can be somewhat confusing, until you
realize that you’ve been using them for most of your life.A type of directory that’s
been around longer than computers is a telephone directory, which organizes the
account information of telephone company customers.These account objects are

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