ZyXEL LTE7485-S905 User Guide - Page 113

ALG, Network Setting > NAT &gt, LABEL, DESCRIPTION

Page 113 highlights

Chapter 9 Network Address Translation (NAT) can initiate connections to devices on the DMZ but not to those on the LAN. You can put public servers, such as email, web, and FTP servers, on the DMZ to provide services on both the WAN and LAN. To use this feature, you first need to assign a DMZ host. Click Network Setting > NAT > DMZ to open the DMZ screen. Note: Use an IPv4 address for the DMZ server. Note: Enter the IP address of the default server in the Default Server Address field, and click Apply to activate the DMZ host. Otherwise, clear the IP address in the Default Server Address field, and click Apply to deactivate the DMZ host. Figure 86 Network Setting > NAT > DMZ The following table describes the fields in this screen. Table 37 Network Setting > NAT > DMZ LABEL DESCRIPTION Default Server Address Enter the IP address of the default server which receives packets from ports that are not specified in the Port Forwarding screen. Apply Cancel Note: If you do not assign a default server, the Zyxel Device discards all packets received for ports not specified in the virtual server configuration. Click this to save your changes back to the Zyxel Device. Click Cancel to restore your previously saved settings. 9.5 ALG Click Network Setting > NAT > ALG to open the ALG screen. Use this screen to enable and disable the NAT Application Layer Gateway (ALG) in the Zyxel Device. Application Layer Gateway (ALG) allows certain applications such as File Transfer Protocol (FTP), Session Initiation Protocol (SIP), or file transfer in Instant Messaging (IM) applications to pass through the Zyxel Device. LTE Series User's Guide 113

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Chapter 9 Network Address Translation (NAT)
LTE Series User’s Guide
113
can initiate connections to devices on the DMZ but not to those on the LAN.
You can put public servers, such as email, web, and FTP servers, on the DMZ to provide services on both
the WAN and LAN. To use this feature, you first need to assign a DMZ host. Click
Network Setting > NAT >
DMZ
to open the
DMZ
screen.
Note: Use an IPv4 address for the DMZ server.
Note: Enter the IP address of the default server in the
Default Server Address
field, and click
Apply
to activate the DMZ host. Otherwise, clear the IP address in the
Default Server
Address
field, and click
Apply
to deactivate the DMZ host.
Figure 86
Network Setting > NAT > DMZ
The following table describes the fields in this screen.
9.5
ALG
Click
Network Setting > NAT > ALG
to open the
ALG
screen. Use this screen to enable and disable the
NAT Application Layer Gateway (ALG) in the Zyxel Device.
Application Layer Gateway (ALG) allows certain applications such as File Transfer Protocol (FTP), Session
Initiation Protocol (SIP), or file transfer in Instant Messaging (IM) applications to pass through the Zyxel
Device.
Table 37
Network Setting > NAT > DMZ
LABEL
DESCRIPTION
Default Server
Address
Enter the IP address of the default server which receives packets from ports that are not
specified in the
Port Forwarding
screen.
Note: If you do not assign a default server, the Zyxel Device discards all packets
received for ports not specified in the virtual server configuration.
Apply
Click this to save your changes back to the Zyxel Device.
Cancel
Click
Cancel
to restore your previously saved settings.