Source code pulled from OpenBSD for OpenNTPD. The place to contribute to this code is via the OpenBSD CVS tree.
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  1. #
  2. # Internet (IP) protocols
  3. #
  4. # $OpenBSD: protocols,v 1.13 2001/11/19 03:03:33 deraadt Exp $
  5. #
  6. # Updated based on RFC 1340, Assigned Numbers (July 1992).
  7. # See also http://www.isi.edu/in-notes/iana/assignments/protocol-numbers
  8. #
  9. ip 0 IP # internet protocol, pseudo protocol number
  10. icmp 1 ICMP # internet control message protocol
  11. igmp 2 IGMP # Internet Group Management
  12. ggp 3 GGP # gateway-gateway protocol
  13. ipencap 4 IP-ENCAP # IP encapsulated in IP (officially ``IP'')
  14. st 5 ST # ST datagram mode
  15. tcp 6 TCP # transmission control protocol
  16. ucl 7 UCL # UCL
  17. egp 8 EGP # exterior gateway protocol
  18. igp 9 IGP # any private interior gateway
  19. bbn-rcc-mon 10 BBN-RCC-MON # BBN RCC Monitoring
  20. nvp-ii 11 NVP-II # Network Voice Protocol
  21. pup 12 PUP # PARC universal packet protocol
  22. argus 13 ARGUS # ARGUS
  23. emcon 14 EMCON # EMCON
  24. xnet 15 XNET # Cross Net Debugger
  25. chaos 16 CHAOS # Chaos
  26. udp 17 UDP # user datagram protocol
  27. mux 18 MUX # Multiplexing
  28. dcn-meas 19 DCN-MEAS # DCN Measurement Subsystems
  29. hmp 20 HMP # host monitoring protocol
  30. prm 21 PRM # Packet Radio Measurement
  31. xns-idp 22 XNS-IDP # Xerox NS IDP
  32. trunk-1 23 TRUNK-1 # Trunk-1
  33. trunk-2 24 TRUNK-2 # Trunk-2
  34. leaf-1 25 LEAF-1 # Leaf-1
  35. leaf-2 26 LEAF-2 # Leaf-2
  36. rdp 27 RDP # "reliable datagram" protocol
  37. irtp 28 IRTP # Internet Reliable Transaction
  38. iso-tp4 29 ISO-TP4 # ISO Transport Protocol class 4
  39. netblt 30 NETBLT # Bulk Data Transfer Protocol
  40. mfe-nsp 31 MFE-NSP # MFE Network Services Protocol
  41. merit-inp 32 MERIT-INP # MERIT Internodal Protocol
  42. sep 33 SEP # Sequential Exchange Protocol
  43. 3pc 34 3PC # Third Party Connect Protocol
  44. idpr 35 IDPR # Inter-Domain Policy Routing Protocol
  45. xtp 36 XTP # Xpress Tranfer Protocol
  46. ddp 37 DDP # Datagram Delivery Protocol
  47. idpr-cmtp 38 IDPR-CMTP # IDPR Control Message Transport Proto
  48. idpr-cmtp 39 IDPR-CMTP # IDPR Control Message Transport
  49. il 40 IL # IL Transport Protocol
  50. ipv6 41 IPv6 # Internet Protocol version 6
  51. sdrp 42 SDRP # Source Demand Routing Protocol
  52. sip-sr 43 SIP-SR # SIP Source Route
  53. sip-frag 44 SIP-FRAG # SIP Fragment
  54. idrp 45 IDRP # Inter-Domain Routing Protocol
  55. rsvp 46 RSVP # Reservation Protocol
  56. gre 47 GRE # General Routing Encapsulation
  57. mhrp 48 MHRP # Mobile Host Routing Protocol
  58. bna 49 BNA # BNA
  59. esp 50 IPSEC-ESP # Encap Security Payload
  60. ah 51 IPSEC-AH # Authentication Header
  61. i-nlsp 52 I-NLSP # Integrated Net Layer Security TUBA
  62. swipe 53 SWIPE # IP with Encryption
  63. nhrp 54 NHRP # NBMA Next Hop Resolution Protocol
  64. mobileip 55 MOBILEIP # MobileIP encapsulation
  65. skip 57 SKIP # SKIP
  66. ipv6-icmp 58 IPv6-ICMP # ICMP for IPv6
  67. ipv6-nonxt 59 IPv6-NoNxt # No Next Header for IPv6
  68. ipv6-opts 60 IPv6-Opts # Destination Options for IPv6
  69. any 61 any # host internal protocol
  70. cftp 62 CFTP # CFTP
  71. any 63 any # local network
  72. sat-expak 64 SAT-EXPAK # SATNET and Backroom EXPAK
  73. kryptolan 65 KRYPTOLAN # Kryptolan
  74. rvd 66 RVD # MIT Remote Virtual Disk Protocol
  75. ippc 67 IPPC # Internet Pluribus Packet Core
  76. any 68 any # distributed file system
  77. sat-mon 69 SAT-MON # SATNET Monitoring
  78. visa 70 VISA # VISA Protocol
  79. ipcv 71 IPCV # Internet Packet Core Utility
  80. cpnx 72 CPNX # Computer Protocol Network Executive
  81. cphb 73 CPHB # Computer Protocol Heart Beat
  82. wsn 74 WSN # Wang Span Network
  83. pvp 75 PVP # Packet Video Protocol
  84. br-sat-mon 76 BR-SAT-MON # Backroom SATNET Monitoring
  85. sun-nd 77 SUN-ND # SUN ND PROTOCOL-Temporary
  86. wb-mon 78 WB-MON # WIDEBAND Monitoring
  87. wb-expak 79 WB-EXPAK # WIDEBAND EXPAK
  88. iso-ip 80 ISO-IP # ISO Internet Protocol
  89. vmtp 81 VMTP # Versatile Message Transport
  90. secure-vmtp 82 SECURE-VMTP # SECURE-VMTP
  91. vines 83 VINES # VINES
  92. ttp 84 TTP # TTP
  93. nsfnet-igp 85 NSFNET-IGP # NSFNET-IGP
  94. dgp 86 DGP # Dissimilar Gateway Protocol
  95. tcf 87 TCF # TCF
  96. igrp 88 IGRP # IGRP
  97. ospf 89 OSPFIGP # Open Shortest Path First IGP
  98. sprite-rpc 90 Sprite-RPC # Sprite RPC Protocol
  99. larp 91 LARP # Locus Address Resolution Protocol
  100. mtp 92 MTP # Multicast Transport Protocol
  101. ax.25 93 AX.25 # AX.25 Frames
  102. ipip 94 IPIP # Yet Another IP encapsulation
  103. micp 95 MICP # Mobile Internetworking Control Pro.
  104. scc-sp 96 SCC-SP # Semaphore Communications Sec. Pro.
  105. etherip 97 ETHERIP # Ethernet-within-IP Encapsulation
  106. encap 98 ENCAP # Yet Another IP encapsulation
  107. any 99 any # private encryption scheme
  108. gmtp 100 GMTP # GMTP
  109. pim 103 PIM # Protocol Independent Multicast
  110. ipcomp 108 IPComp # IP Payload Compression Protocol
  111. vrrp 112 VRRP # Virtual Router Redundancy Protocol
  112. reserved 255 Reserved #