![](/images/new-backgrounds/1192289/192289519x1.webp)
Protocol Types
Protocol Number in Firewall Filters
Number | Keyword | Protocol | Reference |
119 | SRP | SpectraLink Radio Protocol | [Hamilton] |
120 | UTI | UTI | [Lothberg] |
121 | SMP | SMP | [Ekblad] |
122 | SM | SM | [Crowcroft] |
123 | PTP | Performance Transparency Protocol | [Welzl] |
124 | ISIS over IPv4 |
| [Przygienda] |
125 | FIRE |
| [Partridge] |
126 | CRTP | Combat Radio Transport Protocol | [Sautter] |
127 | CRUDP | Combat Radio User Datagram | [Sautter] |
128 | SSCOPMCE |
| [Waber] |
129 | IPLT |
| [Hollbach] |
130 | SPS | Secure Packet Shield | [McIntosh] |
131 | PIPE | Private IP Encapsulation within IP | [Petri] |
132 | SCTP | Stream Control Transmission Protocol | [Stewart] |
133 | FC | Fibre Channel | [Rajagopal] |
134 |
| [RFC3175] | |
| Unassigned | [IANA] | |
255 |
| Reserved | [IANA] |
CMG Router - Release 2.7 |