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H A P T E R
Managing system services
To work properly, certain programs (including Web servers and
file-sharing server programs) must accept unsolicited
connections from other computers through designated system
service ports. Typically, Firewall closes these system service ports
because they represent the most likely source of insecurities in
your system. To accept connections from remote computers,
however, the system service ports must be open.
In this chapter
Configuring system service ports...............................92