ZyXEL Communications NVG2053, User Manual

Page: 165 / 200

Chapter 16 Firewall
NVG2053 User’s Guide
165
The following table describes the labels in this screen.
See Appendix F on page 319 for commonly used services and port numbers.
Table 54 Security > Firewall > Services > Add
LABEL DESCRIPTION
Firewall Edit Rule
Firewall Rule
Select Enable to activate the firewall rule.
Add Firewall Rule
Service Name
Enter a name that identifies or describes the firewall rule.
Source MAC
Address Enter the MAC address of the computer for which the firewall rule
applies.
Dest IP Address Enter the IP address of the computer to which traffic for the application
or service is entering.
The NVG2053 applies the firewall rule to traffic initiating from this
computer.
Source IP
Address Enter the IP address of the computer that initializes traffic for the
application or service.
The NVG2053 applies the firewall rule to traffic initiating from this
computer.
Protocol Select the protocol (TCP, UDP, ICMP or None) used to transport the
packets for which you want to apply the firewall rule.
DestPort Range Enter the port number/range of the destination that define the traffic
type, for example TCP port 80 defines web traffic.
SourcePort
Range Enter the port number/range of the source that define the traffic type,
for example TCP port 80 defines web traffic.
Back Click Back to return to the previous screen without saving.
Apply Click Apply to save your changes back to the NVG2053.
Cancel Click Cancel to begin configuring this screen afresh.