Red Hat Enterprise Linux 5 Administration Unleashed

Logging Connections 351FIGURE 16.2Importing Defined HostsSaving ChangesAfter configuring the DNS server or making changes to its settings, click the Save buttonin the toolbar of the main window. Configuration files whose settings were modified aresaved and the previous version is saved as . such asnamed.conf.2006-11-17_11.0.0. If the named service is already running, it is restarted toenable the changes.Starting and Stopping the ServerTo start the server, select DNS Server from the zone list, and right-click on it to display amenu. Select Start Server from the menu. If the server is already running, options torestart, reload, or stop the server are available instead.16If changes are saved and the named service is already running, the daemon is restartedafter the changes are saved.Logging ConnectionsBy default, the named service writes log messages to /var/log/messages. Logging may becustomized with the logging statement in named.conf. If named.conf has syntax errors,messages about the errors will go to /var/log/messages or standard error regardless of thelogging statement.The location of log messages can be modified by defining one or more channel statementsinside the logging statement. Listing 16.1 shows the basic syntax with requiredand optional statements.LISTING 16.1Basic Syntax of a Logging Statementlogging {channel {;};severity ;