
User Guide 81
Configuring Firewall Settings
4 Below Custom Services, click Add Service.
The Custom Service page appears.
5 In the Service Name text box, type the name for your service.
6 From the Protocol Settings drop-down list, select TCP Port, UDP Port, or Protocol.
7 In the text box adjacent to the Port/Protocol drop-down list, type a port number or protocol
number.
To use a single port, type a port number in the first text box.
To use a range of ports, type the lower port number in the first text box, and the higher port number in the second
text box.
Note
An IP protocol number is not the same as a TCP or UDP port number. TCP is IP protocol number 6 and
UDP is IP protocol number 17. If you use an IP protocol that is not TCP or UDP, you must enter its
number. IP protocols numbers include: 47 for GRE (Generic Routing Encapsulation) and 50 for ESP
(Encapsulated Security Payload). Most settings are done with TCP or UDP ports.
8 Click Add.
Repeat steps 6-8 until you have a list of all the ports and protocols that this service uses. You can add more than one
port and more than one protocol to a custom service. More ports and protocols make the network less secure. Add
only the ports and protocols that are necessary.
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