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The work describes the installation of the FreeBSD operating system and the rules for its configuration for the functioning of an Internet access server in local and corporate networks, including such services as a mail server based on Postfix, a web server based on Apache.

The course also covers such programs as firewall and BIND, which are used to configure server and network security and addressing between local and global networks. There are examples of how to properly configure firewall and BIND. Here are the commands of the Midnight Commander shell.

The work is useful for students of computer technology, as well as computer network administrators.