Observa Telecom TD851W User Manual page 53

Note:
After configuration, you need to click the Save button appeared on the left panel so that your
configuration can still take effect after the Router reboots.
For example: If you want to setup a FTP Server on LAN host 192.168.1.33, you can configure a
virtual server rule as follows:
Step 1: Select "FTP" from Usual Service Name drop-down list . Protocol, WAN Port, and LAN
Open Port will be automatically filled, and you don't need to change them.
Step 2: Select the WAN Setting for the service.
Step 3: Enter 192.168.1.33 in LAN IP Address field.
Step 4: Click Apply Changes button to save your configuration. And the Virtual Server will be
added to the Current Virtual Server Forwarding Table.
Step 5: Click Save button on the left panel to make sure your configuration can still take effect
after the Router reboots.
4.3.2.3 ALG
Choose "Advanced→NAT→ALG", and then you can configure the ALG settings in the screen as
shown in Figure 4-28. The router supports several NAT ALG and pass-Through function. Here you
can enable or disable the ALG or pass-through function for each application.
Click the Apply Changes button to save your configuration.
Note:
After configuration, you need to click the Save button appeared on the left panel so that your
configuration can still take effect after the Router reboots.
TD851W 150Mbps Wireless N ADSL2+ Modem Router User Guide
Figure 4-28
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