More Info on the Protocols in the Protocol Pattern matcher:
ICMP – Internet Control Message Protocol
IGMP – Internet Group Management Protocol
GGP – Gateway-to-Gateway Protocol
IP-encap – IPv4 Encapsulation
ST – Internet Stream Protocol
TCP – Transmission Control Protocol
EGP – Exterior Gateway Protocol
PUP – PARC Universal Packet
UDP – User Datagram Protocol
HMP – Host Monitoring Protocol
XNS-IDP – Xerox Network Systems Internet Datagram Protocol
RDP – Remote Desktop Protocol
ISO-TP4 – ISO Transport Protocol Class 4
DCCP – Datagram Congestion Control Protocol
XTP – Xpress Transport Protocol
DDP – Distributed Data Protocol
IDPR-CMTP – Inter-Domain Policy Routing Protocol – Control Message Transport Protocol
RSVP – Resource Reservation Protocol
GRE – Generic Routing Encapsulation
IPSEC-ESP – Internet Protocol Security – Encapsulating Security Payload
IPSEC-AH – Internet Protocol Security – Authentication Header
RSPF – Radio Shortest Path First (Has not been formally assigned an Protocol #. Shares Protocol # 73)
VMTP – Versatile Message Transaction Protocol
OSPF – Open Shortest Path First
IPIP – Internet Protocol in Internet Protocol
EtherIP – Ethernet in IPv4 Tunneling
Encap – Encapsulation Header (IP Protocol #98)
PIM – Protocol Independent Multicast
VRRP – Virtual Router Redundancy Protocol
L2TP – Layer 2 Tunneling Protocol
SCTP – Stream Control Transmission Protocol
UDP-lite – Lightweight User Datagram Protocol
ICMP Options: