ZyXEL LTE5121 User Guide - Page 128

The Add New Services Entry Screen

Page 128 highlights

Chapter 12 Firewall Each field is described in the following table. Table 47 Security > Firewall > Services LABEL Add New Service Entry Name Type Port Number Modify DESCRIPTION Click this to define a new service. This is the name of a configured service. This is the protocol type (TCP, UDP, ICMP or Others) of the service. This displays a range of port numbers that defines the service. Click the Edit icon to edit the service. Click the Delete icon to delete the service. Note that subsequent rules move up by one when you take this action. Deleting a service rule also deletes the related ACL rules which are configured in the Security > Firewall > Access Control screen. 12.3.1 The Add New Services Entry Screen Use this screen to configure a service that you want to use in an ACL rule in the Security > Firewall > Access Control > Add New ACL Rule/Edit screen. To access this screen, click Security > Firewall > Services and then the Add New Service Entry button. Figure 87 Security > Firewall > Services > Add New Service Entry Each field is described in the following table. Table 48 Security > Firewall > Services > Add New Service Entry LABEL Name Type Protocol Number Source Port, Destination Port DESCRIPTION Type a descriptive name for the service. Select the protocol type (TCP, UDP or ICMP or Others) of the service. Enter the protocol number of the service type. The source port defines from which port number(s) the service traffic is sent. The destination port defines the port number(s) the destination hosts use to receive the service traffic. Select Single if the service uses one and only one source or destination port, then enter the port number. Select Multiple if the service uses two or more source or destination ports, then enter a port range. For example, suppose you want to define the Gnutella service. Select TCP type and enter a port range of 6345-6349. 128 LTE-5121 User's Guide

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Chapter 12 Firewall
LTE-5121 User’s Guide
128
Each field is described in the following table.
12.3.1
The Add New Services Entry Screen
Use this screen to configure a service that you want to use in an ACL rule in the
Security >
Firewall > Access Control > Add New ACL Rule/Edit
screen. To access this screen, click
Security > Firewall > Services
and then the
Add New Service Entry
button.
Figure 87
Security > Firewall > Services > Add New Service Entry
Each field is described in the following table.
Table 47
Security > Firewall > Services
LABEL
DESCRIPTION
Add New Service
Entry
Click this to define a new service.
Name
This is the name of a configured service.
Type
This is the protocol type (
TCP
,
UDP
,
ICMP
or
Others
) of the service.
Port Number
This displays a range of port numbers that defines the service.
Modify
Click the
Edit
icon to edit the service.
Click the
Delete
icon to delete the service. Note that subsequent rules move up by one
when you take this action. Deleting a service rule also deletes the related ACL rules which
are configured in the
Security > Firewall > Access Control
screen.
Table 48
Security > Firewall > Services > Add New Service Entry
LABEL
DESCRIPTION
Name
Type a descriptive name for the service.
Type
Select the protocol type (
TCP
,
UDP
or
ICMP or Others
) of the service.
Protocol
Number
Enter the protocol number of the service type.
Source Port,
Destination
Port
The source port defines from which port number(s) the service traffic is sent. The
destination port defines the port number(s) the destination hosts use to receive the service
traffic.
Select
Single
if the service uses one and only one source or destination port, then enter the
port number.
Select
Multiple
if the service uses two or more source or destination ports, then enter a
port range. For example, suppose you want to define the Gnutella service. Select
TCP
type
and enter a port range of
6345
-
6349
.