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LAN Ports and Attached Devices

Known PCs and Devices

The Known PCs and Devices table contains a table of all IP devices that the firewall has discovered on the local network. This screen is accessible from the Administration main menu and the LAN Groups submenu. The Groups and Hosts screen will display showing the Known PCs and Devices table shown below:.

Figure 6-7

The Groups and Hosts database is an automatically-maintained list of all known PCs and network devices. PCs and devices become known by the following methods:

The Known PCs and Devices table lists all current entries in the Network Database. For each PC or device, the following data is displayed.

Table 6-2. Known PCs and Devices table 
Item
Description
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.

Note: If the firewall is rebooted, the table data is lost until the firewall rediscovers the devices. To force the firewall to look for attached devices, click the Refresh button.

DHCP Log

The DHCP Log is accessible from the DHCP Log link on the LAN Setup screen, located under Network Configuration on the main menu.

Figure 6-8

Port Triggering Status

The Port Triggering Status screen is available from the Port Triggering screen accessible under Security on the main menu. Only one PC can use a Port Triggering application at any time. When the PC has finished using the application, a time-out period occurs before another PC can use the Port triggering. You can check status using the Port Triggering Status screen. For a description of the fields, see the following field descriptions in Table 6-3..

Figure 6-9

Table 6-3. Port Triggering Status data
Item
Description
Rule
The name of the Rule.
LAN IP Address
The IP address of the PC currently using this rule.
Open Ports
The Incoming ports which are associated the this rule. Incoming traffic using one of these ports will be sent to the IP address above.
Time Remaining
The time remaining before this rule is released, and thus available for other PCs. This timer is restarted whenever incoming or outgoing traffic is received.


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