Tables included below:
Decimal Description
------- -----------
0 Reserved
1 TCP Port Service Multiplexer
2 Management Utility
3 Compression Process
4 Unassigned
5 Remote Job Entry
6 Unassigned
7 Echo
8 Unassigned
9 Discard
10 Unassigned
11 Active Users
12 Unassigned
13 Daytime
14 Unassigned
15 Unassigned
16 Unassigned
17 Quote of the Day
18 Message Send Protocol
19 Character Generator
20 File Transfer [Default Data]
21 File Transfer [Control]
22 Unassigned
23 Telnet
24 any private mail system
25 Simple Mail Transfer
26 Unassigned
27 NSW User System FE
28 Unassigned
29 MSG ICP
30 Unassigned
31 MSG Authentication
32 Unassigned
33 Display Support Protocol
34 Unassigned
35 any private printer server
36 Unassigned
37 Time
38 Route Access Protocol
39 Resource Location Protocol
40 Unassigned
41 Graphics
42 Host Name Server
43 Who Is
44 MPM FLAGS Protocol
45 Message Processing Module [recv]
46 MPM [default send]
47 NI FTP
48 Digital Audit Daemon
49 Login Host Protocol
50 Remote Mail Checking Protocol
51 IMP Logical Address Maintenance
52 XNS Time Protocol
53 Domain Name Server
54 XNS Clearinghouse
55 ISI Graphics Language
56 XNS Authentication
57 any private terminal access
58 XNS Mail
59 any private file service
60 Unassigned
61 NI MAIL
62 ACA Services
63 Unassigned
64 Communications Integrator (CI)
65 TACACS-Database Service
66 Oracle SQL*NET
67 Bootstrap Protocol Server
68 Bootstrap Protocol Client
69 Trivial File Transfer
70 Gopher
71 Remote Job Service
72 Remote Job Service
73 Remote Job Service
74 Remote Job Service
75 any private dial out service
76 Distributed External Object Store
77 any private RJE service
78 vettcp
79 Finger
80 World Wide Web HTTP
81 HOSTS2 Name Server
82 XFER Utility
83 MIT ML Device
84 Common Trace Facility
85 MIT ML Device
86 Micro Focus Cobol
87 any private terminal link
88 Kerberos
89 SU/MIT Telnet Gateway
90 DNSIX Securit Attribute Token Map
91 MIT Dover Spooler
92 Network Printing Protocol
93 Device Control Protocol
94 Tivoli Object Dispatcher
95 SUPDUP
96 DIXIE Protocol Specification
97 Swift Remote Vitural File Protocol
98 TAC News
99 Metagram Relay
100 [unauthorized use]
101 NIC Host Name Server
102 ISO-TSAP
103 Genesis Point-to-Point Trans Net
104 ACR-NEMA Digital Imag. & Comm. 300
105 Mailbox Name Nameserver
106 3COM-TSMUX
107 Remote Telnet Service
108 SNA Gateway Access Server
109 Post Office Protocol - Version 2
110 Post Office Protocol - Version 3
111 SUN Remote Procedure Call
112 McIDAS Data Transmission Protocol
113 Authentication Service
114 Audio News Multicast
115 Simple File Transfer Protocol
116 ANSA REX Notify
117 UUCP Path Service
118 SQL Services
119 Network News Transfer Protocol
120 CFDPTKT
121 Encore Expedited Remote Pro.Call
122 SMAKYNET
123 Network Time Protocol
124 ANSA REX Trader
125 Locus PC-Interface Net Map Ser
126 Unisys Unitary Login
127 Locus PC-Interface Conn Server
128 GSS X License Verification
129 Password Generator Protocol
130 cisco FNATIVE
131 cisco TNATIVE
132 cisco SYSMAINT
133 Statistics Service
134 INGRES-NET Service
135 Location Service
136 PROFILE Naming System
137 NETBIOS Name Service
138 NETBIOS Datagram Service
139 NETBIOS Session Service
140 EMFIS Data Service
141 EMFIS Control Service
142 Britton-Lee IDM
143 Interim Mail Access Protocol v2
144 NewS
145 UAAC Protocol
146 ISO-IP0
147 ISO-IP
148 CRONUS-SUPPORT
149 AED 512 Emulation Service
150 SQL-NET
151 HEMS
152 Background File Transfer Program
153 SGMP
154 NETSC
155 NETSC
156 SQL Service
157 KNET/VM Command/Message Protocol
158 PCMail Server
159 NSS-Routing
160 SGMP-TRAPS
161 SNMP
162 SNMPTRAP
163 CMIP/TCP Manager
164 CMIP/TCP Agent
165 Xerox
166 Sirius Systems
167 NAMP
168 RSVD
169 SEND
170 Network PostScript
171 Network Innovations Multiplex
172 Network Innovations CL/1
173 Xyplex
174 MAILQ
175 VMNET
176 GENRAD-MUX
177 X Display Manager Control Protocol
178 NextStep Window Server
179 Border Gateway Protocol
180 Intergraph
181 Unify
182 Unisys Audit SITP
183 OCBinder
184 OCServer
185 Remote-KIS
186 KIS Protocol
187 Application Communication Interface
188 Plus Five's MUMPS
189 Queued File Transport
190 Gateway Access Control Protocol
191 Prospero Directory Service
192 OSU Network Monitoring System
193 Spider Remote Monitoring Protocol
194 Internet Relay Chat Protocol
195 DNSIX Network Level Module Audit
196 DNSIX Session Mgt Module Audit Redir
197 Directory Location Service
198 Directory Location Service Monitor
199 SMUX
200 IBM System Resource Controller
201 AppleTalk Routing Maintenance
202 AppleTalk Name Binding
203 AppleTalk Unused
204 AppleTalk Echo
205 AppleTalk Unused
206 AppleTalk Zone Information
207 AppleTalk Unused
208 AppleTalk Unused
209 Trivial Authenticated Mail Protocol
210 ANSI Z39.50
211 Texas Instruments 914C/G Terminal
212 ATEXSSTR
213 IPX
214 VM PWSCS
215 Insignia Solutions
216 Access Technology License Server
217 dBASE Unix
218 Netix Message Posting Protocol
219 Unisys ARPs
220 Interactive Mail Access Protocol v3
221 Berkeley rlogind with SPX auth
222 Berkeley rshd with SPX auth
223 Certificate Distribution Center
242 Unassigned
243 Survey Measurement
244 Unassigned
245 LINK
246 Display Systems Protocol
247 Reserved
344 Prospero Data Access Protocol
345 Perf Analysis Workbench
346 Zebra server
347 Fatmen Server
348 Cabletron Management Protocol
349-370 Unassigned
371 Clearcase
372 Unix Listserv
373 Legent Corporation
374 Legent Corporation
375 Hassle
376 Amiga Envoy Network Inquiry Proto
377 NEC Corporation
378 NEC Corporation
379 TIA/EIA/IS-99 modem client
380 TIA/EIA/IS-99 modem server
381 hp performance data collector
382 hp performance data managed node
383 hp performance data alarm manager
384 A Remote Network Server System
385 IBM Application
386 ASA Message Router Object Def.
387 Appletalk Update-Based Routing Pro.
388 Unidata LDM Version 4
389 Lightweight Directory Access Protocol
390 UIS
391 SynOptics SNMP Relay Port
392 SynOptics Port Broker Port
393 Data Interpretation System
394 EMBL Nucleic Data Transfer
395 NETscout Control Protocol
396 Novell Netware over IP
397 Multi Protocol Trans. Net.
398 Kryptolan
399 Unassigned
400 Workstation Solutions
401 Uninterruptible Power Supply
402 Genie Protocol
403 decap
404 nced
405 ncld
406 Interactive Mail Support Protocol
407 Timbuktu
408 Prospero Resource Manager Sys. Man.
409 Prospero Resource Manager Node Man.
410 DECLadebug Remote Debug Protocol
411 Remote MT Protocol
412 Trap Convention Port
413 SMSP
414 InfoSeek
415 BNet
416 Silverplatter
417 Onmux
418 Hyper-G
419 Ariel
420 SMPTE
421 Ariel
422 Ariel
423 IBM Operations Planning and Control Start
424 IBM Operations Planning and Control Track
425 ICAD
426 smartsdp
427 Server Location
428 OCS_CMU
429 OCS_AMU
430 UTMPSD
431 UTMPCD
432 IASD
433 NNSP
434 MobileIP-Agent
435 MobilIP-MN
436 DNA-CML
437 comscm
438 dsfgw
439 dasp tommy@inlab.m.eunet.de
440 sgcp
441 decvms-sysmgt
442 cvc_hostd
443 https MCom
444 Simple Network Paging Protocol
445 Microsoft-DS
446 DDM-RDB
447 DDM-RFM
448 DDM-BYTE
449 AS Server Mapper
450 TServer
451-511 Unassigned
512/tcp remote process execution; authentication performed using
passwords and UNIX loppgin names
512/udp used by mail system to notify users of new mail received;
currently receives messages only from
processes on the same machine
513/tcp remote login a la telnet;
automatic authentication performed
based on priviledged port numbers
and distributed data bases which
identify "authentication domains"
513/udp maintains data bases showing who's
logged in to machines on a local
net and the load average of the
machine
514/tcp like exec, but automatic
authentication is performed as for
login server
514/udp
515/tcp spooler
515/udp spooler
516/tcp Unassigned
516/udp Unassigned
517/tcp like tenex link, but across
machine - unfortunately, doesn't
use link protocol (this is actually
just a rendezvous port from which a
tcp connection is established)
517/udp like tenex link, but across
machine - unfortunately, doesn't
use link protocol (this is actually
just a rendezvous port from which a
tcp connection is established)
518/tcp
518/udp
519/tcp unixtime
519/udp unixtime
520/tcp extended file name server
520/udp local routing process (on site);
uses variant of Xerox NS routing
information protocol
521-524 Unassigned
525 timeserver
526 newdate
527-529 Unassigned
530 rpc
531 chat
532 readnews
533 for emergency broadcasts
534-538 Unassigned
539 Apertus Technologies Load Determination
540 uucpd
541 uucp-rlogin sl@wimsey.com
542 Unassigned
543
544 krcmd
550 new-who
550 new-who
551-555 Unassigned
556 rfs server
557-559 Unassigned
560 rmonitord
561
562 chcmd
563 Unassigned
564 plan 9 file service
565 whoami
566-569 Unassigned
570 demon
571 udemon
572-599 Unassigned
600 Sun IPC server
607 nqs
606 Cray Unified Resource Manager
608 Sender-Initiated/Unsolicited File Transfer
609 npmp-trap
610 npmp-local
611 npmp-gui
634 ginad
666
666 doom Id Software
704 errlog copy/server daemon
709 EntrustManager
729 IBM NetView DM/6000 Server/Client
730 IBM NetView DM/6000 send/tcp
731 IBM NetView DM/6000 receive/tcp
741 netGW
742 Network based Rev. Cont. Sys.
744 Flexible License Manager
747 Fujitsu Device Control
748 Russell Info Sci Calendar Manager
749 kerberos administration
750
751
752
753
754 send
758
759
760
761
762
763
764
765
767 phone
766
769
770
771
772
773
774
775
776
780
786 Concert
800
801
996 Central Point Software
997
998
999
999 Applix ac
1000
1023 Reserved
1024 Reserved
=====================================================================
Decimal Keyword Protocol
------- ------- --------
0 Reserved (internet pseudo-protocol number)
1 ICMP Internet Control Message
2 IGMP Internet Group Management
3 GGP Gateway-to-Gateway
4 IP IP in IP (encasulation)
5 ST Stream
6 TCP Transmission Control
7 UCL UCL
8 EGP Exterior Gateway Protocol
9 IGP any private interior gateway
10 BBN-RCC-MON BBN RCC Monitoring
11 NVP-II Network Voice Protocol
12 PUP PUP
13 ARGUS ARGUS
14 EMCON EMCON
15 XNET Cross Net Debugger
16 CHAOS Chaos
17 UDP User Datagram
18 MUX Multiplexing
19 DCN-MEAS DCN Measurement Subsystems
20 HMP Host Monitoring
21 PRM Packet Radio Measurement
22 XNS-IDP XEROX NS IDP
23 TRUNK-1 Trunk-1
24 TRUNK-2 Trunk-2
25 LEAF-1 Leaf-1
26 LEAF-2 Leaf-2
27 RDP Reliable Data Protocol
28 IRTP Internet Reliable Transaction
29 ISO-TP4 ISO Transport Protocol Class 4
30 NETBLT Bulk Data Transfer Protocol
31 MFE-NSP MFE Network Services Protocol
32 MERIT-INP MERIT Internodal Protocol
33 SEP Sequential Exchange Protocol
34 3PC Third Party Connect Protocol
35 IDPR Inter-Domain Policy Routing Protocol
36 XTP XTP
37 DDP Datagram Delivery Protocol
38 IDPR-CMTP IDPR Control Message Transport Proto
39 TP++ TP++ Transport Protocol
40 IL IL Transport Protocol
41 SIP Simple Internet Protocol
42 SDRP Source Demand Routing Protocol
43 SIP-SR SIP Source Route
44 SIP-FRAG SIP Fragment
45 IDRP Inter-Domain Routing Protocol
46 RSVP Reservation Protocol
47 GRE General Routing Encapsulation
48 MHRP Mobile Host Routing Protocol
49 BNA BNA
50 SIPP-ESP SIPP Encap Security Payload
51 SIPP-AH SIPP Authentication Header
52 I-NLSP Integrated Net Layer Security TUBA
53 SWIPE IP with Encryption
54 NHRP NBMA Next Hop Resolution Protocol
55-60 Unassigned
61 any host internal protocol
62 CFTP CFTP
63 any local network
64 SAT-EXPAK SATNET and Backroom EXPAK
65 KRYPTOLAN Kryptolan
66 RVD MIT Remote Virtual Disk Protocol
67 IPPC Internet Pluribus Packet Core
68 any distributed file system
69 SAT-MON SATNET Monitoring
70 VISA VISA Protocol
71 IPCV Internet Packet Core Utility
72 CPNX Computer Protocol Network Executive
73 CPHB Computer Protocol Heart Beat
74 WSN Wang Span Network
75 PVP Packet Video Protocol
76 BR-SAT-MON Backroom SATNET Monitoring
77 SUN-ND SUN ND PROTOCOL-Temporary
78 WB-MON WIDEBAND Monitoring
79 WB-EXPAK WIDEBAND EXPAK
80 ISO-IP ISO Internet Protocol
81 VMTP VMTP
82 SECURE-VMTP SECURE-VMTP
83 VINES VINES
84 TTP TTP
85 NSFNET-IGP NSFNET-IGP
86 DGP Dissimilar Gateway Protocol
87 TCF TCF
88 IGRP IGRP
89 OSPFIGP OSPFIGP
90 Sprite-RPC Sprite RPC Protocol
91 LARP Locus Address Resolution Protocol
92 MTP Multicast Transport Protocol
93 AX.25 AX.25 Frames
94 IPIP IP-within-IP Encapsulation Protocol
95 MICP Mobile Internetworking Control Pro.
96 SCC-SP Semaphore Communications Sec. Pro.
97 ETHERIP Ethernet-within-IP Encapsulation
98 ENCAP Encapsulation Header
99 any private encryption scheme
100 GMTP GMTP
101-254 Unassigned
255 Reserved
=====================================================================
MSB BIT2 BIT3 LSB
---------------------------------------------------------------------
LS _| 8 4 2 1
Byte | 128 64 32 16
2048 1024 512 256
32,768 16,384 8,192 4,096
524,288 262,144 131,072 65,536
8,388,608 4,194,304 2,097,152 1,048,576
MS _| 134,217,728 67,108,864 33,554,432 16,777,216
Byte | 2,147,483,648 1,073,744,824 536,870,912 268,435,456
=====================================================================
Ethernet
--------
Field length
(in bytes): 7 1 6 6 2 46-1500 4
.-----------------------------------...------------.
|Preamble|S|Dest. |Source| T| | |
| |O|Addr. | Addr.| y| [DATA] |FCS |
| |F| | | p| | CRC|
| | | | | e| | |
`-----------------------------------...------------'
IEEE 802.3 Frame Structure
--------------------------
Field length
(in bytes): 7 1 6 6 2 46-1500 4
.-----------------------------------...------------.
|Preamble|S|Dest. |Source| L| | |
| |O|Addr. | Addr.|en| [802.2 header |FCS |
| |F| | |gt| and DATA] | CRC|
| | | | | h| | |
`-----------------------------------...------------'
=====================================================================
Decimal Hex Description
------- --------- -----------
000 0000-05DC IEEE 802.3 Length Field
257 0101-01FF Experimental
512 0200 XEROX PUP (see 0A00)
513 0201 PUP Addr Trans (see 0A01)
0400 Nixdorf
1536 0600 XEROX NS IDP
0660 DLOG
0661 DLOG
2048 0800 Internet IP (IPv4)
2049 0801 X.75 Internet
2050 0802 NBS Internet
2051 0803 ECMA Internet
2052 0804 Chaosnet
2053 0805 X.25 Level 3
2054 0806 ARP
2055 0807 XNS Compatability
2076 081C Symbolics Private
2184 0888-088A Xyplex
2304 0900 Ungermann-Bass net debugr
2560 0A00 Xerox IEEE802.3 PUP
2561 0A01 PUP Addr Trans
2989 0BAD Banyan Systems
4096 1000 Berkeley Trailer nego
4097 1001-100F Berkeley Trailer encap/IP
5632 1600 Valid Systems
16962 4242 PCS Basic Block Protocol
21000 5208 BBN Simnet
24576 6000 DEC Unassigned (Exp.)
24577 6001 DEC MOP Dump/Load
24578 6002 DEC MOP Remote Console
24579 6003 DEC DECNET Phase IV Route
24580 6004 DEC LAT
24581 6005 DEC Diagnostic Protocol
24582 6006 DEC Customer Protocol
24583 6007 DEC LAVC, SCA
24584 6008-6009 DEC Unassigned
24586 6010-6014 3Com Corporation
28672 7000 Ungermann-Bass download
28674 7002 Ungermann-Bass dia/loop
28704 7020-7029 LRT
28720 7030 Proteon
28724 7034 Cabletron
32771 8003 Cronus VLN
32772 8004 Cronus Direct
32773 8005 HP Probe
32774 8006 Nestar
32776 8008 AT&T
32784 8010 Excelan
32787 8013 SGI diagnostics
32788 8014 SGI network games
32789 8015 SGI reserved
32790 8016 SGI bounce server
32793 8019 Apollo Computers
32815 802E Tymshare
32816 802F Tigan, Inc.
32821 8035 Reverse ARP
32822 8036 Aeonic Systems
32824 8038 DEC LANBridge
32825 8039-803C DEC Unassigned
32829 803D DEC Ethernet Encryption
32830 803E DEC Unassigned
32831 803F DEC LAN Traffic Monitor
32832 8040-8042 DEC Unassigned
32836 8044 Planning Research Corp.
32838 8046 AT&T
32839 8047 AT&T
32841 8049 ExperData
32859 805B Stanford V Kernel exp.
32860 805C Stanford V Kernel prod.
32861 805D Evans & Sutherland
32864 8060 Little Machines
32866 8062 Counterpoint Computers
32869 8065 Univ. of Mass. @ Amherst
32870 8066 Univ. of Mass. @ Amherst
32871 8067 Veeco Integrated Auto.
32872 8068 General Dynamics
32873 8069 AT&T
32874 806A Autophon
32876 806C ComDesign
32877 806D Computgraphic Corp.
32878 806E-8077 Landmark Graphics Corp.
32890 807A Matra
32891 807B Dansk Data Elektronik
32892 807C Merit Internodal
32893 807D-807F Vitalink Communications
32896 8080 Vitalink TransLAN III
32897 8081-8083 Counterpoint Computers
32923 809B Appletalk
32924 809C-809E Datability
32927 809F Spider Systems Ltd.
32931 80A3 Nixdorf Computers
32932 80A4-80B3 Siemens Gammasonics Inc.
32960 80C0-80C3 DCA Data Exchange Cluster
80C4 Banyan Systems
80C5 Banyan Systems
32966 80C6 Pacer Software
32967 80C7 Applitek Corporation
32968 80C8-80CC Intergraph Corporation
32973 80CD-80CE Harris Corporation
32975 80CF-80D2 Taylor Instrument
32979 80D3-80D4 Rosemount Corporation
32981 80D5 IBM SNA Service on Ether
32989 80DD Varian Associates
32990 80DE-80DF Integrated Solutions TRFS
32992 80E0-80E3 Allen-Bradley
32996 80E4-80F0 Datability
33010 80F2 Retix
33011 80F3 AppleTalk AARP (Kinetics)
33012 80F4-80F5 Kinetics
33015 80F7 Apollo Computer
33023 80FF-8103 Wellfleet Communications
33031 8107-8109 Symbolics Private
33072 8130 Hayes Microcomputers
33073 8131 VG Laboratory Systems
8132-8136 Bridge Communications
33079 8137-8138 Novell, Inc.
33081 8139-813D KTI
8148 Logicraft
8149 Network Computing Devices
814A Alpha Micro
33100 814C SNMP
814D BIIN
814E BIIN
814F Technically Elite Concept
8150 Rational Corp
8151-8153 Qualcomm
815C-815E Computer Protocol Pty Ltd
8164-8166 Charles River Data System
817D-818C Protocol Engines
818D Motorola Computer
819A-81A3 Qualcomm
81A4 ARAI Bunkichi
81A5-81AE RAD Network Devices
81B7-81B9 Xyplex
81CC-81D5 Apricot Computers
81D6-81DD Artisoft
81E6-81EF Polygon
81F0-81F2 Comsat Labs
81F3-81F5 SAIC
81F6-81F8 VG Analytical
8203-8205 Quantum Software
8221-8222 Ascom Banking Systems
823E-8240 Advanced Encryption Syste
827F-8282 Athena Programming
8263-826A Charles River Data System
829A-829B Inst Ind Info Tech
829C-82AB Taurus Controls
82AC-8693 Walker Richer & Quinn
8694-869D Idea Courier
869E-86A1 Computer Network Tech
86A3-86AC Gateway Communications
86DB SECTRA
86DE Delta Controls
34543 86DF ATOMIC
86E0-86EF Landis & Gyr Powers
8700-8710 Motorola
8A96-8A97 Invisible Software
36864 9000 Loopback
36865 9001 3Com(Bridge) XNS Sys Mgmt
36866 9002 3Com(Bridge) TCP-IP Sys
36867 9003 3Com(Bridge) loop detect
65280 FF00 BBN VITAL-LanBridge cache
FF00-FF0F ISC Bunker Ramo
The standard for transmission of IP datagrams over Ethernets and
Experimental Ethernets is specified in [RFC894] and [RFC895]
respectively.
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