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Reference Manual for the ProSafe VPN Firewall 50 FVS338
7-18
Firewall Protection and Content Filtering
January 2005
Using a Schedule to Block or Allow Specific Traffic
If you enabled content filtering in the Block Sites menu, or if you defined an outbound rule to use 
a schedule, you can set up a schedule for when blocking occurs or when access is restricted. The 
firewall allows you to specify when blocking will be enforced by configuring the Schedule tab 
shown below:
Table 7-4.
Groups and hosts
Item
Description
Known PCs and 
Devices
This table lists all current entries in the Network Database. For each PC or device, 
the following data is displayed. 
• Radio button—Use this to select a PC for editing or deletion. 
• Name—The name of the PC or device. Sometimes, this can not be determined, 
and will be listed as Unknown. In this case, you can edit the entry to add a 
meaningful name. 
• IP Address—The current IP address. For DHCP clients, where the IP address is 
allocated by the DHCP Server in this device, this IP address will not change. Where 
the IP address is set on the PC (as a fixed IP address), you may need to update 
this entry manually if the IP address on the PC is changed. 
• MAC Address—The MAC address of the PC. The MAC address is a low-level 
network identifier which is fixed at manufacture. 
• Group—Each PC or device must be in a single group. The Group column indicates 
which group each entry is in. By default, all entries are in the Default group (the D 
column.) 
Operations
• Group Assignment —You can select a group for any entry by selecting the desired 
group from the drop down menu in the Group column. Click Apply 
• Adding a new Entry—If a PC is not connected, using a fixed IP, or a different LAN 
segment, it may not be listed. In this case, you can add it by clicking the Add 
button. 
• Editing an Entry—You can edit an entry by selecting its radio button, and clicking 
the Edit button. 
• Deleting an Entry—If a PC or device has been removed from your network, you can 
delete it from the database by selecting its radio button, and clicking the Delete 
button. 
• Edit Group Names—The Group names can be edited by clicking Edit Group 
Names button. By default the group names are Default, Marketing, Sales, 
Warehouse, Support, Lab1, Lab2, and Others.