Firewall
Protocol (Customized Services)
You can configure customized services and port numbers in the Protocol screen. Each set of protocol rules listed in the table are reusable objects to be used in conjunction with ACL rules in the Access Control screen. For a comprehensive list of port numbers and services, visit the IANA (Internet Assigned Number Authority) website. Click Security > Firewall > Protocol to display the following screen.
*Removing a protocol rule will also remove associated ACL rules.
Security > Firewall > Protocol
The following table describes the labels in this screen.
Security > Firewall > Protocol 
Label
Description
Add New Protocol Entry
Click this to configure a customized service.
Name
This is the name of your customized service.
Description
This is a description of your customized service.
Ports/Protocol Number
This shows the port number or range and the IP protocol (TCP or UDP) that defines your customized service.
Modify
Click this to edit a customized service.
Add Customized Service
Add a customized rule or edit an existing rule by specifying the protocol and the port numbers. Click Add New Protocol Entry in the Protocol screen to display the following screen.
Security > Firewall > Protocol: Add New Protocol Entry
The following table describes the labels in this screen.
Security > Firewall > Protocol: Add New Protocol Entry 
Label
Description
Service Name
Enter a descriptive name for your customized service. You can use up to 16 printable characters except [ " ], [ ` ], [ ' ], [ < ], [ > ], [ ^ ], [ $ ], [ | ], [ & ], or [ ; ]. Spaces are allowed.
Description
Enter a description for your customized service. You can use up to 16 printable characters except [ " ], [ ` ], [ ' ], [ < ], [ > ], [ ^ ], [ $ ], [ | ], [ & ], or [ ; ]. Spaces are allowed.
Protocol
Select the protocol (TCP, UDP, ICMP, ICMPv6, or Other) that defines your customized port from the drop down list box.
Protocol Number
Enter a single port number or the range of port numbers (0255) that define your customized service.
OK
Click this to save your changes.
Cancel
Click this to exit this screen without saving.