User's Manual

Table Of Contents
Chapter 5: Security
Note: The priorities are defined by Type of Service (TOS) in the Internet Protocol
Suite standards, RFC 1349.
Service Type ToS Description
Normal Service 0 (zero) No special priority is given to the traffic.
Minimize Cost 2 Transfer of data over a link that has a lower cost.
Maximize Reliability 4
Transfer of data over a more reliable link with little or no
transmission.
Maximize Throughput 8
Enables the importance of a high volume of data to be
transferred during an interval even if the latency over the
link is high.
Minimize Delay 16
Enables low latency for the packet to reach the
destination.
13. In the Select Schedule field, select the applicable schedule.
This field is visible when a selection is made in the Action field.
14. In the Internal IP Address field, enter an IP address of the computer on the LAN hosting
the server.
This field is visible in the Destination NAT Settings section when the source of the
traffic this firewall rule controls is set to INSECURE (WAN) in the From Zone field.
15. Set the Enable Port Forwarding field to On to forward to the port specified in the
Translate Port Number field.
This field is visible in the Destination NAT Settings section when the source of the traffic
this firewall rule controls is set to INSECURE (WAN) in the From Zone field.
16. In the Translate Port Number field, enter the port number to use for port forwarding.
This field is visible in the Destination NAT Settings section when the source of the traffic
this firewall rule controls is set to INSECURE (WAN) in the From Zone field.
Example: If a computer on the local network side is running a telnet server on
port 2000, then set the Enable Port Forwarding option to On and enter 2000 in
the Translate Port Number field.
If the server is listening on the default port 23, then it could be disabled.
17. In the External IP Address field, select the internet destination IP address used for this
firewall rule: WAN1, WAN2, or Other.
This field is visible in the Destination NAT Settings section when the source of the traffic
this firewall rule controls is set to INSECURE (WAN) in the From Zone field.
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