rfc943.txt
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Reynolds & Postel [Page 12]
Assigned Numbers RFC 943
Protocol Numbers
ASSIGNED PROTOCOL NUMBERS
In the Internet Protocol (IP) [35,80] there is a field, called
Protocol, to identify the the next level protocol. This is an 8 bit
field.
Assigned Internet Protocol Numbers
Decimal Keyword Protocol References
------- ------- -------- ----------
0 Reserved [JBP]
1 ICMP Internet Control Message [72,JBP]
2 Unassigned [JBP]
3 GGP Gateway-to-Gateway [47,MB]
4 Unassigned [JBP]
5 ST Stream [39,JWF]
6 TCP Transmission Control [35,81,JBP]
7 UCL UCL [PK]
8 EGP Exterior Gateway Protocol [96,DLM1]
9 IGP any private interior gateway [JBP]
10 BBN-RCC-MON BBN RCC Monitoring [SGC]
11 NVP-II Network Voice Protocol [18,SC3]
12 PUP PUP [12,HGM]
13 ARGUS ARGUS [RWS4]
14 EMCON EMCON [BN7]
15 XNET Cross Net Debugger [45,JFH2]
16 CHAOS Chaos [NC3]
17 UDP User Datagram [35,79,JBP]
18 MUX Multiplexing [19,JBP]
19 DCN-MEAS DCN Measurement Subsystems [DLM1]
20 HMP Host Monitoring [5,RH6]
21 PRM Packet Radio Measurement [ZSU]
22 XNS-IDP XEROX NS IDP [114,LLG]
23 TRUNK-1 Trunk-1 [BML]
24 TRUNK-2 Trunk-2 [BML]
25 LEAF-1 Leaf-1 [BML]
26 LEAF-2 Leaf-2 [BML]
27 RDP Reliable Data Protocol [111,RH6]
28 IRTP Internet Reliable Transaction [61,TXM]
29-60 Unassigned [JBP]
61 any host internal protocol [JBP]
62 CFTP CFTP [40,HCF2]
63 any local network [JBP]
64 SAT-EXPAK SATNET and Backroom EXPAK [DM11]
65 MIT-SUBNET MIT Subnet Support [NC3]
66 RVD MIT Remote Virtual Disk Protocol [MBG]
67 IPPC Internet Pluribus Packet Core [DM11]
68 any distributed file system [JBP]
Reynolds & Postel [Page 13]
Assigned Numbers RFC 943
Protocol Numbers
69 SAT-MON SATNET Monitoring [DM11]
70 Unassigned [JBP]
71 IPCV Internet Packet Core Utility [DM11]
72-75 Unassigned [JBP]
76 BR-SAT-MON Backroom SATNET Monitoring [DM11]
77 Unassigned [JBP]
78 WB-MON WIDEBAND Monitoring [DM11]
79 WB-EXPAK WIDEBAND EXPAK [DM11]
80-254 Unassigned [JBP]
255 Reserved [JBP]
Reynolds & Postel [Page 14]
Assigned Numbers RFC 943
Port Numbers
ASSIGNED PORT NUMBERS
Ports are used in the TCP [35,81] to name the ends of logical
connections which carry long term conversations. For the purpose of
providing services to unknown callers, a service contact port is
defined. This list specifies the port used by the server process as
its contact port. The contact port is sometimes called the
"well-known port".
To the extent possible, these same port assignments are used with the
UDP [35,79].
The assigned ports use a small portion of the possible port numbers.
The assigned ports have all except the low order eight bits cleared
to zero. The low order eight bits are specified here.
Port Assignments:
Decimal Keyword Description References
------- ------- ----------- ----------
0 Reserved [JBP]
1-4 Unassigned [JBP]
5 RJE Remote Job Entry [14,36,JBP]
7 ECHO Echo [70,JBP]
9 DISCARD Discard [69,JBP]
11 USERS Active Users [65,JBP]
13 DAYTIME Daytime [68,JBP]
15 NETSTAT Who is up or NETSTAT [JBP]
17 QUOTE Quote of the Day [75,JBP]
19 CHARGEN Character Generator [67,JBP]
20 FTP File Transfer [Default Data] [35,71,JBP]
21 FTP File Transfer [Control] [35,71,JBP]
23 TELNET Telnet [87,JBP]
25 SMTP Simple Mail Transfer [35,77,JBP]
27 NSW-FE NSW User System FE [20,RHT]
29 MSG-ICP MSG ICP [63,RHT]
31 MSG-AUTH MSG Authentication [63,RHT]
33 Unassigned [JBP]
35 any private printer server [JBP]
37 TIME Time [83,JBP]
39 RLP Resource Location Protocol [1,MA]
41 GRAPHICS Graphics [36,103,JBP]
42 NAMESERVER Host Name Server [35,74,JBP]
43 NICNAME Who Is [35,44,JAKE]
44 MPM-FLAGS MPM FLAGS Protocol [JBP]
45 MPM Message Processing Module [recv] [73,JBP]
46 MPM MPM [default send] [79,JBP]
47 NI-FTP NI FTP [109,SK]
Reynolds & Postel [Page 15]
Assigned Numbers RFC 943
Port Numbers
49 LOGIN Login Host Protocol [PHD1]
51 LA-MAINT IMP Logical Address Maintenance [59,AGM]
53 DOMAIN Domain Name Server [PM1]
55 ISI-GL ISI Graphics Language [11,RB6]
57 any private terminal access [JBP]
59 any private file service [JBP]
61 NI-MAIL NI MAIL [9,SK]
63 VIA-FTP VIA Systems - FTP [DXD]
65 TACACS-DS TACACS-Database Service [115,RHT]
67 Unassigned [JBP]
69 TFTP Trivial File Transfer [35,90,KRS]
71 NETRJS Remote Job Service [13,36,RTB]
72 NETRJS Remote Job Service [13,36,RTB]
73 NETRJS Remote Job Service [13,36,RTB]
74 NETRJS Remote Job Service [13,36,RTB]
75 any private dial out service [JBP]
77 any private RJE service [JBP]
79 FINGER Finger [36,42,KLH]
81 HOSTS2 Name Server [EAK1]
83 HOSTS2-NS MIT ML Device [DPR]
85 MIT-ML-DEV MIT ML Device [DPR]
87 any private terminal link [JBP]
89 SU-MIT-TG SU/MIT Telnet Gateway [MRC]
91 MIT-DOV MIT Dover Spooler [EBM]
93 DCP Device Control Protocol [DT15]
95 SUPDUP SUPDUP [23,MRC]
97 SWIFT-RVF Swift Remote Vitural File Protocol [MXR]
99 METAGRAM Metagram Relay [GEOF]
101 HOSTNAME NIC Host Name Server [35,43,JAKE]
103 Unassigned [JBP]
105 CSNET-NS Mailbox Name Nameserver [101,MHS1]
107 RTELNET Remote Telnet Service [76,JBP]
109 POP-2 Post Office Protocol - Version 2 [16,JKR1]
111 SUNRPC SUN Remote Procedure Call [DXG]
113 AUTH Authentication Service [104,MCA1]
115 SFTP Simple File Transfer Protocol [54,MKL1]
116 Unassigned [JBP]
117 UUCP-PATH UUCP Path Service [34,MAE]
119 UNTP USENET News Transfer Protocol [117,PL4]
120-129 Unassigned [JBP]
131 Unassigned [JBP]
132-223 Reserved [JBP]
224-241 Unassigned [JBP]
243 SUR-MEAS Survey Measurement [10,AV]
245 LINK LINK [15,RDB2]
247-255 Unassigned [JBP]
Reynolds & Postel [Page 16]
Assigned Numbers RFC 943
Autonomous System Numbers
ASSIGNED AUTONOMOUS SYSTEM NUMBERS
The Exterior Gateway Protocol (EGP) [96,93] specifies that groups of
gateways may form autonomous systems. The EGP provides a 16-bit
field for identifying such systems. The values of this field are
registered here.
Autonomous System Numbers:
Decimal Name References
------- ---- ----------
0 Reserved [JBP]
1 The BBN Core Gateways [MB]
2 DCN-AS [DLM1]
3 The MIT Gateways [LM8]
4 ISI-AS [JKR1]
5 Symbolics [CH2]
6 HIS-Multics [BIM,RK1]
7 UK-MOD [RNM1]
8 RICE-AS [PGM]
9 CMU-ROUTER [MA]
10 CSNET-PDN-AS [RDR4]
11 HARVARD [SB28]
12 NYU-DOMAIN [EF5]
13 BRL-AS [RBN1]
14 COLUMBIA-GW [BC14]
15 NET DYNAMICS EXP [ZSU]
16 LBL [WG]
17 PURDUE-CS [KCS1]
18 UTEXAS [JSQ1]
19 CSS-DOMAIN [RR2]
20 UR [LB16]
21 RAND [JDG]
22 NOSC [RLB3]
23 RIACS-AS [DG28]
24 AMES-NAS-GW [MF31]
25 UCB [MK17]
26 CORNELL [BN9]
27 UMDNET [JWO1]
28 DFVLR-SYS [HDC1]
29 YALE-AS [JG46]
30 SRI-AICNET [PM4]
31 CIT-CS [AD22]
32 STANFORD [PA5]
33 DEC-WRL-AS [RKJ2]
34 UDEL-EECIS [NMM]
35 MICATON [JN2]
36 EGP-TESTOR [BP17]
Reynolds & Postel [Page 17]
Assigned Numbers RFC 943
Autonomous System Numbers
37 NSWC [MXP1]
38 UIUC [AKC]
39 NRL-ITD [AP]
40 MIT-TEST [NC3]
41 AMES [MSM1]
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