ZyXEL Communications NBG4615 User Manual page 189

Table 76 Security > Firewall > Services (continued)
LABEL
Protocol
Dest Port Range
Source Port
Range
Add Rule
Firewall Rule
#
Service Name
Dest IP
Source IP
Protocol
Dest Port Range
Source Port
Range
Action
Delete
Cancel
See Appendix F on page 301
NBG4615 User's Guide
DESCRIPTION
Select the protocol (ALL,TCP, UDP or BOTH) used to transport the packets for
which you want to apply the firewall rule.
Enter the port number/range of the destination that define the traffic type, for
example TCP port 80 defines web traffic.
Enter the port number/range of the source that define the traffic type, for
example TCP port 80 defines web traffic.
Click Add to save the firewall rule.
This is your firewall rule number. The ordering of your rules is important as rules
are applied in turn.
This is a name that identifies or describes the firewall rule.
This is the IP address of the computer to which traffic for the application or
service is entering.
This is the IP address of the computer from which traffic for the application or
service is initialized.
This is the protocol (ALL,TCP, UDP or BOTH) used to transport the packets for
which you want to apply the firewall rule.
This is the port number/range of the destination that define the traffic type, for
example TCP port 80 defines web traffic.
This is the port number/range of the source that define the traffic type, for
example TCP port 80 defines web traffic.
Drop - Traffic matching the conditions of the firewall rule are stopped.
Click Delete to remove the firewall rule.
Click Cancel to start configuring this screen again.
for commonly used services and port numbers.
Chapter 24 Firewall
189