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Chapter 10 Managing Preferences 215
 A domain name, such as apple.com. This bypasses apple.com but not subdomains
such as store.apple.com.
 An entire website including all subdomains, such as *.apple.com.
 A subnet in Classless Inter-Domain Routing (CIDR) notation. For example, to add a
subnet of 192.168.2.x, you would name that view 192.168.2.0/24. For a detailed
description of subnet masks and CIDR notation, see Network Services Administration.
7 Click Apply Now.
Enabling Passive FTP Mode
When managing Network preferences, you can require passive FTP mode. Passive FTP
mode causes the FTP server to open a connection to the computer on a dynamically
determined port. This can be more convenient for computers but it requires that port
filters are properly configured on the FTP server.
To enable passive FTP mode:
1 In Workgroup Manager, click Preferences.
2 Make sure the correct directory is selected and you are authenticated.
To switch directories, click the globe icon. If you are not authenticated, click the lock
and enter the name and password of a directory domain administrator.
3 Select one or more users, groups, computers, or computer groups.
4 Click Network and then click Proxies.
5 Set the management setting to Always.
6 Select Use Passive FTP Mode (PASV).
7 Click Apply Now.
Disabling Internet Sharing
Although Internet Sharing is a convenient way for computers to share Internet access,
turning it on can disrupt your network (because it can cause conflicts with DHCP and
NAT services).
To reenable Internet Sharing, you must log in to the computer locally and enable it in
the Sharing pane of System Preferences.
To disable Internet Sharing:
1 In Workgroup Manager, click Preferences.
2 Make sure the correct directory is selected and you are authenticated.
To switch directories, click the globe icon. If you are not authenticated, click the lock
and enter the name and password of a directory domain administrator.
3 Select one or more computers or computer groups.
4 Click Network and then click Sharing & Interfaces.