ZyWALL Series Internet Security Gateway
19-4 UPnP
19.4 Displaying UPnP Port Mapping
Click
UPnP
and then
Ports
to open the
UPnP Ports
screen. Use this screen to view the NAT port
forwarding entries that UPnP creates on the ZyWALL.
Figure 19-2 UPnP Ports
The following table describes the labels in this screen.
Table 19-2 UPnP Ports
LABEL
DESCRIPTION
Retain UPnP port
forwarding
Select this checkbox to have the ZyWALL keep UPnP created NAT port forwarding
entries (rules) even after restarting. If you use UPnP and you set a port on your
computer to be fixed for a specific service (for example FTP for file transfers), this
option allows the ZyWALL to keep a record when your computer uses UPnP to create
a NAT forwarding entry for that service.
The following read-only table displays information about the UPnP-created NAT port forwarding entries in
the ZyWALL’s NAT routing table.
#
This is the index number of the UPnP-created NAT port forwarding entry.
Remote Host
This field displays the source IP address (on the WAN) of inbound IP packets. Since
this is often a wildcard, the field may be blank. When the field is blank, the ZyWALL
forwards all traffic sent to the
External Port
on the WAN interface to the
Internal
Client
on the
Internal Port
. When this field displays an external IP address, the NAT
port forwarding entry has the ZyWALL forward inbound packets to the
Internal Client
from that IP address only.
Содержание Internet Security Gateway ZyWALL 100
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