Revision: 15
Risk level: 5
Tag: Anonymizer
Tag: Masquerading Tunnels
18.126. Protocol Independent Multicast
The PIM Protocol provides an efficient routing of multicast groups that may span wide-area
Internet zones.
Family: Network Service
Over: ip
Over: ip
Over: ip6
Revision: 18
Risk level: 1
18.127. Private IP Encapsulation within IP
The pipe protocol (Private IP Encapsulation within IP) is found over the IP layer (IANA protocol
number: 131).
Family: Network Service
Over: ip
Revision: 18
Risk level: 1
18.128. PNNI over IP
The pnni protocol (PNNI over IP) is found over the IP layer (IANA protocol number: 102).
Family: Network Service
Over: ip
Revision: 18
Risk level: 1
18.129. ISO 8823 Presentation Protocol
ISO 8823/X.226 OSI PRESENTATION PROTOCOL (PP).
Family: Network Service
Over: sp
Revision: 17
Risk level: 1
18.130. Private encryption scheme
The private_enc protocol (Any private encryption scheme) is found over the IP layer (IANA
protocol number: 99).
Chapter 18: Network Service
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