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Protocol Types
Protocol Number in Firewall Filters
Protocol Number in Firewall Filters
In the Router cards we can filter based on protocol numbers in the Firewall Filters (WAN). See Firewall Filters on page
Number | Keyword | Protocol | Reference |
0 | HOPOPT | IPv6 | [RFC1883] |
1 | ICMP | Internet Control Message | [RFC702] |
2 | IGMP | Internet Group Management | [RFC1112] |
3 | GGP | [RFC823] | |
4 | IP | IP in PIP (encapsulation) | [RFC2003] |
5 | ST | Stream | [RFC1190, RFC1819] |
6 | TCP | Transmission Control | [RFC793] |
7 | CBT | CBT | [Ballardie] |
8 | EGP | Exterior Gateway Protocol | [RFC888, DLM1] |
9 | IGP | any private interior gateway | [IANA] |
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| (used by Cisco for their IGRP) |
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10 | BBN RCC Monitoring | [SGC] | |
11 | Network Voice Protocol | [RFC741, SC3] | |
12 | PUP | PUP | [PUP, XEROX] |
13 | ARGUS | ARGUS | [RWS4] |
14 | EMCON | EMCON | [BN7] |
15 | XNET | Cross Net Debugger | [IEN158, JFH2] |
16 | CHAOS | Chaos | [NC3] |
17 | UDP | User Datagram | [RFC768, JBP] |
18 | MUX | Multiplexing | [IEN90, JBP] |
19 | DCN Measurement Subsystems | [DLM1] | |
20 | HMP | Host Monitoring | [RFC890, RH6] |
21 | PRM | Packet Radio Measurement | [ZSU] |
22 | XEROX NS IDP | [ETHERNET, XEROX] | |
23 | [BWB6] | ||
24 | [BWB6] | ||
25 | [BWB6] |
CMG Router - Release 2.7 |