F-SECURE CLIENT SECURITY 8.00 Administrator's Manual page 271

CHAPTER 13 271
Step 2. IP Protocol Number
Select a protocol number for this service from the Protocol drop-down list.
It contains the most commonly used protocols (TCP, UDP, ICMP). If your
service uses any other protocol, refer to the table below and enter the
respective number.
In this example, select TCP (6) from the IP-protocol number: drop-down
list.