ZyXEL Communications VMG3925-B10A - Add;Edit a Protocol

Chapter 17 Firewall
VMG3925-B10A User’s Guide
196
The following table describes the labels in this screen.
17.3.1 Add/Edit a Protocol
Use this screen to add a customized service rule that you can use in the firewall’s ACL rule
configuration. Click Add New Protocol Entry or the edit icon next to an existing service rule in the
Protocol screen to display the following screen.
Figure 110 Security > Firewall > Protocol: Add/Edit
The following table describes the labels in this screen.
Table 82 Security > Firewall > Protocol
LABEL DESCRIPTION
Add New
Protocol Entry
Click this to add a new service.
Name This is the name of your customized service.
Description This is the description of your customized service.
Ports/Protocol
Number
This shows the IP protocol (TCP, UDP, ICMP, or TCP/UDP) and the port number or range
of ports that defines your customized service. Other and the protocol number displays if the
service uses another IP protocol.
Modify Click the Edit icon to edit the entry.
Click the Delete icon to remove this entry.
Table 83 Security > Firewall > Protocol: Add/Edit
LABEL DESCRIPTION
Protocol Choose the IP protocol (TCP, UDP, ICMP, or Other) that defines your customized port from
the drop-down list box. Select Other to be able to enter a protocol number.
Source Port/
Destination Port
These fields are displayed if you select TCP or UDP as the IP port.
Select Single to specify one port only or Range to specify a span of ports that define your
customized service. If you select Any, the service is applied to all ports.
Type a single port number or the range of port numbers that define your customized
service.
Protocol
Number
This field is displayed if you select Other as the protocol.
Enter the protocol number of your customized port.