Reference Guide

Network Security 237
• OSPF — The Open Shortest Path First (OSPF) protocol is a
link-state, hierarchical interior gateway protocol (IGP) for
network routing Layer Two (2) Tunneling Protocol, an extension
to the PPP protocol that enables ISPs to operate Virtual Private
Networks (VPNs).
•
IPIP — IP over IP (IPinIP). Encapsulates IP packets to create
tunnels between two routers. This ensures that the IPIP tunnel
appears as a single interface, rather than several separate
interfaces. IPIP enables tunnel intranets occur the internet, and
provides an alternative to source routing.
•
PIM — Matches the packet to Protocol Independent Multicast
(PIM).
•
L2TP — Matches the packet to Internet Protocol (L2IP).
•
ISIS — Intermediate System - Intermediate System (ISIS).
Distributes IP routing information throughout a single
autonomous system in IP networks.
–
Protocol ID To Match — Enter a protocol number if you did not
select a protocol by name.
–
Any (IP) — Check to use any protocol.
–
Source Port (0 - 65535) — Enter the TCP/UDP source port. Enter
either
Single , Range or select Any to include all ports.
–
Destination Port (0 - 65535) — Enter the TCP/UDP destination port.
Enter either a
Single , Range or select Any to include all ports.
–
Source IP Address — Enter the source IP address to which addresses
in the packet are compared.
•
Wildcard Mask —In addition to the Source MAC address , you
can enter a mask that specifies which bits in the source address are
used for matching and which bits are ignored. A wildcard of
0.0.0.0 means the bits must be matched exactly in addition to the
IP source address; ff.ff.ff.ff means the bits are irrelevant. Any
combination of 0s and ffs can be used.
•
Any — Check to indicate that the source address is not matched.