Draytek VigorIPPBX 3510 Series, Руководство пользователя

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VigorIPPBX 3510 Series User’s Guide 147
If you want to choose any on of the Public IP settings, you must
specify some IP addresses in the IP Alias List of the Static/DHCP
Configuration page first. If you did not type in any IP address in
the IP Alias List, the Public IP setting will be empty in this field.
When you click
Apply , a message will appear to inform you.
Private IP Assign an IP address (e.g., 192.168.1.10) or a subnet to be
compared with the Public IP address for incoming packets.
Subnet Mask Select a value of subnet mask for private IP address.
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Port Trigger is a variation of open ports function; the difference is that the port trigger has
the dynamic characteristics. It is more secure comparing to open ports.
In Open Ports setting, once we setup the ports be opened, all traffic can go through these
open ports into LAN device; with Port Trigger function, the ports will be opened only when
specific application triggers the specific ports, and then the needed ports will be opened
automatically.
Comment Display the text which memorizes the application of this rule.
Trigger Protocol Display the protocol of the trigger packets.
Trigger Port Display the port of the trigger packets.
Incoming Protocol Display the protocol for the incoming data of such trigger profile.
Incoming Port Display the port for the incoming data of such trigger profile.
Status Display if the rule is active or de-active.
Click the index number link to open the configuration page.