3Com WX4400 Reference Manual page 233

The following table lists commonly used IP protocol numbers.
IP Protocol
Number Protocol
1 Internet Control Message Protocol (ICMP)
2 Internet Group Management Protocol (IGMP)
6 Transmission Control Protocol (TCP)
9 Any private interior gateway (used by Cisco for Internet Gateway
Routing Protocol)
17 User Datagram Protocol (UDP)
41 IPv6
46 Reservation Protocol (RSVP)
47 Generic Routing Encapsulation (GRE)
50 Encapsulation Security Payload for IPSec (IPSec-ESP)
51 Authentication Header for IPSec (IPSec-AH)
55 IP Mobility (Mobile IP)
88 Enhanced Interior Gateway Routing Protocol (EIGRP)
89 Open Shortest Path First (OSPF) protocol
103 Protocol Independent Multicast (PIM)
112 Virtual Router Redundancy Protocol (VRRP)
115 Layer Two Tunneling Protocol (L2TP)
7 To specify the TCP or UDP source port:
a Click on the down arrow in the Source Port column.
b Select the comparison operator from the Operator drop-down list:
Less Than
Greater Than
Equal
Not Equal
Range
None (no comparison is required)
c Select the well-known port name from the Port Name drop-down list.
If the name is not in the list, select Other and type or select the port
number in the Port Number box.
Viewing and Configuring ACLs 233