Port Numbers
Select desired number range:
0 - 511
512 - 1023
1024 - 1499
1500 - 1999
2000 - 2499
2500 - 2999
3000 - 3499
3500 - 3999
4000 - 4699
4700 - 5399
5400 - 6499
6500 - 7999
8000 - 9999
10000 - 19999
20000 - 49151
System Ports from 0 to 511
| Port | Service Name | Protocol | Description | Comment |
|---|---|---|---|---|
| 0 | TCP/UDP | Reserved | Reference: [RFC6335] Modified: 2024-12-20 | |
| 1 | tcpmux | TCP/UDP | TCP Port Service Multiplexer | |
| 2 | TCP/UDP | Reserved | Modified: 2025-02-13 | |
| 3 | TCP/UDP | Reserved | Modified: 2025-02-13 | |
| 4 | TCP/UDP | Unassigned | ||
| 5 | rje | TCP/UDP | Remote Job Entry | |
| 6 | TCP/UDP | Unassigned | ||
| 7 | echo | TCP/UDP | Echo | |
| 8 | TCP/UDP | Unassigned | ||
| 9 | discard | TCP/UDP | Discard | |
| 9 | discard | SCTP | Discard | Reference: [RFC9260] Modified: 2022-02-07 |
| 9 | discard | DCCP | Discard | Reference: [RFC4340] |
| 10 | TCP/UDP | Unassigned | ||
| 11 | systat | TCP/UDP | Active Users | |
| 12 | TCP/UDP | Unassigned | ||
| 13 | daytime | TCP/UDP | Daytime | Reference: [RFC867] |
| 14 | TCP/UDP | Unassigned | ||
| 15 | TCP | Unassigned [was netstat] | ||
| 15 | UDP | Unassigned | ||
| 16 | TCP/UDP | Unassigned | ||
| 17 | qotd | TCP/UDP | Quote of the Day | |
| 18 | msp | TCP/UDP | Message Send Protocol (historic) | |
| 19 | chargen | TCP/UDP | Character Generator | |
| 20 | ftp-data | TCP/UDP | File Transfer [Default Data] | |
| 20 | ftp-data | SCTP | FTP | Reference: [RFC9260] Modified: 2022-02-07 |
| 21 | ftp | TCP/UDP | File Transfer Protocol [Control] | Reference: [RFC959] |
| 21 | ftp | SCTP | FTP | Reference: [RFC9260] Modified: 2022-02-07 |
| 22 | ssh | TCP/UDP | The Secure Shell (SSH) Protocol | Reference: [RFC4251] |
| 22 | ssh | SCTP | SSH | Reference: [RFC9260] Modified: 2022-02-07 |
| 23 | telnet | TCP/UDP | Telnet | Reference: [RFC854] |
| 24 | TCP/UDP | any private mail system | ||
| 25 | smtp | TCP/UDP | Simple Mail Transfer | Reference: [RFC-ietf-emailcore-rfc5321bis-43] Modified: 2017-06-05 |
| 26 | TCP/UDP | Unassigned | ||
| 27 | nsw-fe | TCP/UDP | NSW User System FE | |
| 28 | TCP/UDP | Unassigned | ||
| 29 | msg-icp | TCP/UDP | MSG ICP | |
| 30 | TCP/UDP | Unassigned | ||
| 31 | msg-auth | TCP/UDP | MSG Authentication | |
| 32 | TCP/UDP | Unassigned | ||
| 33 | dsp | TCP/UDP | Display Support Protocol | |
| 34 | TCP/UDP | Unassigned | ||
| 35 | TCP/UDP | any private printer server | ||
| 36 | TCP/UDP | Unassigned | ||
| 37 | time | TCP/UDP | Time | |
| 38 | rap | TCP/UDP | Route Access Protocol | |
| 39 | rlp | TCP/UDP | Resource Location Protocol | |
| 40 | TCP/UDP | Unassigned | ||
| 41 | graphics | TCP/UDP | Graphics | |
| 42 | name | TCP/UDP | Host Name Server | |
| 42 | nameserver | TCP/UDP | Host Name Server | |
| 43 | nicname | TCP/UDP | Who Is | |
| 44 | mpm-flags | TCP/UDP | MPM FLAGS Protocol | |
| 45 | mpm | TCP/UDP | Message Processing Module [recv] | |
| 46 | mpm-snd | TCP/UDP | MPM [default send] | |
| 47 | TCP/UDP | Reserved | Modified: 2017-05-18 | |
| 48 | auditd | TCP/UDP | Digital Audit Daemon | |
| 49 | tacacs | TCP/UDP | Login Host Protocol (TACACS) | |
| 50 | re-mail-ck | TCP/UDP | Remote Mail Checking Protocol | |
| 51 | Reserved | Modified: 2013-05-24 | ||
| 52 | xns-time | TCP/UDP | XNS Time Protocol | |
| 53 | domain | TCP/UDP | Domain Name Server | |
| 54 | xns-ch | TCP/UDP | XNS Clearinghouse | |
| 55 | isi-gl | TCP/UDP | ISI Graphics Language | |
| 56 | xns-auth | TCP/UDP | XNS Authentication | |
| 57 | TCP/UDP | any private terminal access | ||
| 58 | xns-mail | TCP/UDP | XNS Mail | |
| 59 | TCP/UDP | any private file service | ||
| 60 | TCP/UDP | Unassigned | ||
| 61 | TCP/UDP | Reserved | Modified: 2017-05-18 | |
| 62 | acas | TCP/UDP | ACA Services | |
| 63 | whois++ | TCP/UDP | whois++ | |
| 64 | covia | TCP/UDP | Communications Integrator (CI) | |
| 65 | tacacs-ds | TCP/UDP | TACACS-Database Service | |
| 66 | sql*net | TCP/UDP | Oracle SQL*NET | |
| 67 | bootps | TCP | Bootstrap Protocol Server | Reference: [RFC951] |
| 67 | bootps | UDP | Bootstrap Protocol Server | |
| 68 | bootpc | TCP/UDP | Bootstrap Protocol Client | |
| 69 | tftp | TCP/UDP | Trivial File Transfer | |
| 70 | gopher | TCP/UDP | Gopher | |
| 71 | netrjs-1 | TCP/UDP | Remote Job Service | |
| 72 | netrjs-2 | TCP/UDP | Remote Job Service | |
| 73 | netrjs-3 | TCP/UDP | Remote Job Service | |
| 74 | netrjs-4 | TCP/UDP | Remote Job Service | |
| 75 | TCP/UDP | any private dial out service | ||
| 76 | deos | TCP/UDP | Distributed External Object Store | |
| 77 | TCP/UDP | any private RJE service | ||
| 78 | vettcp | TCP/UDP | vettcp | |
| 79 | finger | TCP/UDP | Finger | Unauthorized Use: Unauthorized use by some mail users (see [RFC4146] for details) |
| 80 | http | TCP/UDP | World Wide Web HTTP | Reference: [RFC9110] Modified: 2021-10-01 |
| 80 | www | TCP/UDP | World Wide Web HTTP | Reference: [RFC9110] Modified: 2021-10-01 |
| 80 | www-http | TCP/UDP | World Wide Web HTTP | |
| 80 | http | SCTP | HTTP | Reference: [RFC9260] Modified: 2022-02-07 |
| 81 | Unassigned | Modified: 2007-09-06 | ||
| 82 | xfer | TCP/UDP | XFER Utility | |
| 83 | mit-ml-dev | TCP/UDP | MIT ML Device | |
| 84 | ctf | TCP/UDP | Common Trace Facility | |
| 85 | mit-ml-dev | TCP/UDP | MIT ML Device | |
| 86 | mfcobol | TCP/UDP | Micro Focus Cobol | |
| 87 | TCP/UDP | any private terminal link | ||
| 88 | kerberos | TCP/UDP | Kerberos | Reference: [RFC4120] Modified: 2022-02-18 |
| 89 | su-mit-tg | TCP/UDP | SU/MIT Telnet Gateway | |
| 90 | dnsix | TCP/UDP | DNSIX Securit Attribute Token Map | Unauthorized Use: PORT 90 also being used unofficially by Pointcast |
| 91 | mit-dov | TCP/UDP | MIT Dover Spooler | |
| 92 | npp | TCP/UDP | Network Printing Protocol | |
| 93 | dcp | TCP/UDP | Device Control Protocol | |
| 94 | objcall | TCP/UDP | Tivoli Object Dispatcher | |
| 95 | supdup | TCP/UDP | SUPDUP | |
| 96 | dixie | TCP/UDP | DIXIE Protocol Specification | |
| 97 | swift-rvf | TCP/UDP | Swift Remote Virtural File Protocol | |
| 98 | tacnews | TCP/UDP | TAC News | |
| 99 | metagram | TCP/UDP | Metagram Relay | |
| 100 | Unassigned | Unauthorized Use: Known Unauthorized Use on 100 Modified: 2012-03-21 | ||
| 101 | hostname | TCP/UDP | NIC Host Name Server | |
| 102 | iso-tsap | TCP/UDP | ISO-TSAP Class 0 | |
| 103 | gppitnp | TCP/UDP | Genesis Point-to-Point Trans Net | |
| 104 | acr-nema | TCP/UDP | ACR-NEMA Digital Imag. & Comm. 300 | |
| 105 | cso | TCP/UDP | CCSO name server protocol | |
| 105 | csnet-ns | TCP/UDP | Mailbox Name Nameserver | |
| 106 | 3com-tsmux | TCP/UDP | 3COM-TSMUX | Unauthorized Use: Known Unauthorized Use on 106 |
| 107 | rtelnet | TCP/UDP | Remote Telnet Service | |
| 108 | snagas | TCP/UDP | SNA Gateway Access Server | |
| 109 | pop2 | TCP/UDP | Post Office Protocol - Version 2 | |
| 110 | pop3 | TCP/UDP | Post Office Protocol - Version 3 | |
| 111 | sunrpc | TCP/UDP | SUN Remote Procedure Call | |
| 112 | mcidas | TCP/UDP | McIDAS Data Transmission Protocol | |
| 113 | auth | TCP/UDP | Authentication Service | |
| 114 | unassigned | |||
| 115 | sftp | TCP/UDP | Simple File Transfer Protocol | |
| 116 | ansanotify | TCP/UDP | ANSA REX Notify | |
| 117 | uucp-path | TCP/UDP | UUCP Path Service | |
| 118 | sqlserv | TCP/UDP | SQL Services | |
| 119 | nntp | TCP/UDP | Network News Transfer Protocol | Reference: [RFC3977] Modified: 2018-07-06 |
| 120 | cfdptkt | TCP/UDP | CFDPTKT | |
| 121 | erpc | TCP/UDP | Encore Expedited Remote Pro.Call | |
| 122 | smakynet | TCP/UDP | SMAKYNET | |
| 123 | ntp | TCP/UDP | Network Time Protocol | Reference: [RFC5905] |
| 124 | ansatrader | TCP/UDP | ANSA REX Trader | |
| 125 | locus-map | TCP/UDP | Locus PC-Interface Net Map Ser | |
| 126 | nxedit | TCP/UDP | NXEdit | |
| 127 | locus-con | TCP/UDP | Locus PC-Interface Conn Server | |
| 128 | gss-xlicen | TCP/UDP | GSS X License Verification | |
| 129 | pwdgen | TCP/UDP | Password Generator Protocol | |
| 130 | cisco-fna | TCP/UDP | cisco FNATIVE | |
| 131 | cisco-tna | TCP/UDP | cisco TNATIVE | |
| 132 | cisco-sys | TCP/UDP | cisco SYSMAINT | |
| 133 | statsrv | TCP/UDP | Statistics Service | |
| 134 | ingres-net | TCP/UDP | INGRES-NET Service | |
| 135 | epmap | TCP/UDP | DCE endpoint resolution | |
| 136 | profile | TCP/UDP | PROFILE Naming System | |
| 137 | netbios-ns | TCP/UDP | NETBIOS Name Service | |
| 138 | netbios-dgm | TCP/UDP | NETBIOS Datagram Service | |
| 139 | netbios-ssn | TCP/UDP | NETBIOS Session Service | |
| 140 | emfis-data | TCP/UDP | EMFIS Data Service | |
| 141 | emfis-cntl | TCP/UDP | EMFIS Control Service | |
| 142 | bl-idm | TCP/UDP | Britton-Lee IDM | |
| 143 | imap | TCP | Internet Message Access Protocol | Reference: [RFC3501][RFC9051] Modified: 2021-02-22 |
| 143 | UDP | Reserved | Reference: [RFC9051] Modified: 2021-02-22 | |
| 144 | uma | TCP/UDP | Universal Management Architecture | |
| 145 | uaac | TCP/UDP | UAAC Protocol | |
| 146 | iso-tp0 | TCP/UDP | ISO-IP0 | |
| 147 | iso-ip | TCP/UDP | ISO-IP | |
| 148 | jargon | TCP/UDP | Jargon | |
| 149 | aed-512 | TCP/UDP | AED 512 Emulation Service | |
| 150 | sql-net | TCP/UDP | SQL-NET | |
| 151 | hems | TCP/UDP | HEMS | |
| 152 | bftp | TCP/UDP | Background File Transfer Program | |
| 153 | sgmp | TCP/UDP | SGMP | |
| 154 | netsc-prod | TCP/UDP | NETSC | |
| 155 | netsc-dev | TCP/UDP | NETSC | |
| 156 | sqlsrv | TCP/UDP | SQL Service | |
| 157 | knet-cmp | TCP/UDP | KNET/VM Command/Message Protocol | |
| 158 | pcmail-srv | TCP/UDP | PCMail Server | |
| 159 | nss-routing | TCP/UDP | NSS-Routing | |
| 160 | sgmp-traps | TCP/UDP | SGMP-TRAPS | |
| 161 | snmp | TCP/UDP | SNMP | |
| 162 | snmptrap | TCP/UDP | SNMPTRAP | |
| 163 | cmip-man | TCP/UDP | CMIP/TCP Manager | |
| 164 | cmip-agent | TCP/UDP | CMIP/TCP Agent | |
| 165 | xns-courier | TCP/UDP | Xerox | |
| 166 | s-net | TCP/UDP | Sirius Systems | |
| 167 | namp | TCP/UDP | NAMP | |
| 168 | rsvd | TCP/UDP | RSVD | Modified: 2008-05-01 |
| 169 | send | TCP/UDP | SEND | Modified: 2019-04-22 |
| 170 | print-srv | TCP/UDP | Network PostScript | |
| 171 | multiplex | TCP/UDP | Network Innovations Multiplex | |
| 172 | cl/1 | TCP/UDP | Network Innovations CL/1 | |
| 173 | xyplex-mux | TCP/UDP | Xyplex | |
| 174 | mailq | TCP/UDP | MAILQ | |
| 175 | vmnet | TCP/UDP | VMNET | |
| 176 | genrad-mux | TCP/UDP | GENRAD-MUX | |
| 177 | xdmcp | TCP/UDP | X Display Manager Control Protocol | |
| 178 | nextstep | TCP/UDP | NextStep Window Server | |
| 179 | bgp | TCP/UDP | Border Gateway Protocol | |
| 179 | bgp | SCTP | BGP | Reference: [RFC9260] Modified: 2022-02-07 |
| 180 | ris | TCP/UDP | Intergraph | |
| 181 | unify | TCP/UDP | Unify | Modified: 2012-07-31 |
| 182 | audit | TCP/UDP | Unisys Audit SITP | |
| 183 | ocbinder | TCP/UDP | OCBinder | |
| 184 | ocserver | TCP/UDP | OCServer | |
| 185 | remote-kis | TCP/UDP | Remote-KIS | |
| 186 | kis | TCP/UDP | KIS Protocol | |
| 187 | aci | TCP/UDP | Application Communication Interface | |
| 188 | mumps | TCP/UDP | Plus Five's MUMPS | |
| 189 | qft | TCP/UDP | Queued File Transport | |
| 190 | gacp | TCP/UDP | Gateway Access Control Protocol | |
| 191 | prospero | TCP/UDP | Prospero Directory Service | |
| 192 | osu-nms | TCP/UDP | OSU Network Monitoring System | |
| 193 | srmp | TCP/UDP | Spider Remote Monitoring Protocol | |
| 194 | irc | TCP/UDP | Internet Relay Chat Protocol | |
| 195 | dn6-nlm-aud | TCP/UDP | DNSIX Network Level Module Audit | |
| 196 | dn6-smm-red | TCP/UDP | DNSIX Session Mgt Module Audit Redir | |
| 197 | dls | TCP/UDP | Directory Location Service | |
| 198 | dls-mon | TCP/UDP | Directory Location Service Monitor | |
| 199 | smux | TCP/UDP | SMUX | |
| 200 | src | TCP/UDP | IBM System Resource Controller | |
| 201 | at-rtmp | TCP/UDP | AppleTalk Routing Maintenance | |
| 202 | at-nbp | TCP/UDP | AppleTalk Name Binding | |
| 203 | at-3 | TCP/UDP | AppleTalk Unused | |
| 204 | at-echo | TCP/UDP | AppleTalk Echo | |
| 205 | at-5 | TCP/UDP | AppleTalk Unused | |
| 206 | at-zis | TCP/UDP | AppleTalk Zone Information | |
| 207 | at-7 | TCP/UDP | AppleTalk Unused | |
| 208 | at-8 | TCP/UDP | AppleTalk Unused | |
| 209 | qmtp | TCP/UDP | The Quick Mail Transfer Protocol | Modified: 2018-04-05 |
| 210 | z39.50 | TCP/UDP | ANSI Z39.50 | |
| 211 | 914c/g | TCP/UDP | Texas Instruments 914C/G Terminal | |
| 212 | anet | TCP/UDP | ATEXSSTR | |
| 213 | ipx | TCP/UDP | IPX | |
| 214 | vmpwscs | TCP/UDP | VM PWSCS | |
| 215 | softpc | TCP/UDP | Insignia Solutions | |
| 216 | CAIlic | TCP/UDP | Computer Associates Int'l License Server | |
| 217 | dbase | TCP/UDP | dBASE Unix | |
| 218 | mpp | TCP/UDP | Netix Message Posting Protocol | |
| 219 | uarps | TCP/UDP | Unisys ARPs | |
| 220 | imap3 | TCP/UDP | Interactive Mail Access Protocol v3 | |
| 221 | fln-spx | TCP/UDP | Berkeley rlogind with SPX auth | |
| 222 | rsh-spx | TCP/UDP | Berkeley rshd with SPX auth | |
| 223 | cdc | TCP/UDP | Certificate Distribution Center | |
| 224 | masqdialer | TCP/UDP | masqdialer | |
| 225-241 | Reserved | Reference: [RFC1060] Modified: 2024-12-20 | ||
| 242 | direct | TCP/UDP | Direct | |
| 243 | sur-meas | TCP/UDP | Survey Measurement | |
| 244 | inbusiness | TCP/UDP | inbusiness | |
| 245 | link | TCP/UDP | LINK | |
| 246 | dsp3270 | TCP/UDP | Display Systems Protocol | |
| 247 | subntbcst_tftp | TCP/UDP | SUBNTBCST_TFTP | |
| 248 | bhfhs | TCP/UDP | bhfhs | |
| 249-255 | Reserved | Reference: [RFC1060] Modified: 2024-12-20 | ||
| 256 | rap | TCP/UDP | RAP | |
| 257 | set | TCP/UDP | Secure Electronic Transaction | |
| 258 | Unassigned | Modified: 2006-09-13 | ||
| 259 | esro-gen | TCP/UDP | Efficient Short Remote Operations | |
| 260 | openport | TCP/UDP | Openport | |
| 261 | nsiiops | TCP/UDP | IIOP Name Service over TLS/SSL | |
| 262 | arcisdms | TCP/UDP | Arcisdms | |
| 263 | hdap | TCP/UDP | HDAP | |
| 264 | bgmp | TCP/UDP | BGMP | |
| 265 | x-bone-ctl | TCP/UDP | X-Bone CTL | |
| 266 | sst | TCP/UDP | SCSI on ST | |
| 267 | td-service | TCP/UDP | Tobit David Service Layer | |
| 268 | td-replica | TCP/UDP | Tobit David Replica | |
| 269 | manet | TCP/UDP | MANET Protocols | Reference: [RFC5498] |
| 270 | TCP | Reserved | ||
| 270 | gist | UDP | Q-mode encapsulation for GIST messages | Reference: [RFC5971] |
| 271 | pt-tls | TCP | IETF Network Endpoint Assessment (NEA) Posture Transport Protocol over TLS (PT-TLS) | Reference: [RFC6876] Registered: 2012-07-31 |
| 271 | UDP | Reserved | ||
| 272-279 | Unassigned | |||
| 280 | http-mgmt | TCP/UDP | http-mgmt | |
| 281 | personal-link | TCP/UDP | Personal Link | |
| 282 | cableport-ax | TCP/UDP | Cable Port A/X | |
| 283 | rescap | TCP/UDP | rescap | |
| 284 | corerjd | TCP/UDP | corerjd | |
| 285 | Unassigned | |||
| 286 | fxp | TCP/UDP | FXP Communication | |
| 287 | k-block | TCP/UDP | K-BLOCK | |
| 288-307 | Unassigned | |||
| 308 | novastorbakcup | TCP/UDP | Novastor Backup | |
| 309 | entrusttime | TCP/UDP | EntrustTime | |
| 310 | bhmds | TCP/UDP | bhmds | |
| 311 | asip-webadmin | TCP/UDP | AppleShare IP WebAdmin | |
| 312 | vslmp | TCP/UDP | VSLMP | |
| 313 | magenta-logic | TCP/UDP | Magenta Logic | |
| 314 | opalis-robot | TCP/UDP | Opalis Robot | |
| 315 | dpsi | TCP/UDP | DPSI | |
| 316 | decauth | TCP/UDP | decAuth | |
| 317 | zannet | TCP/UDP | Zannet | |
| 318 | pkix-timestamp | TCP/UDP | PKIX TimeStamp | |
| 319 | ptp-event | TCP/UDP | PTP Event | Registered: 2010-07-27 |
| 320 | ptp-general | TCP/UDP | PTP General | Registered: 2010-07-27 |
| 321 | pip | TCP/UDP | PIP | |
| 322 | rtsps | TCP/UDP | RTSPS | |
| 323 | rpki-rtr | TCP | Resource PKI to Router Protocol | Reference: [RFC6810] |
| 323 | UDP | Reserved | ||
| 324 | rpki-rtr-tls | TCP | Resource PKI to Router Protocol over TLS | Reference: [RFC6810] |
| 324 | UDP | Reserved | ||
| 325-332 | Unassigned | |||
| 333 | texar | TCP/UDP | Texar Security Port | |
| 334-343 | Unassigned | |||
| 344 | pdap | TCP/UDP | Prospero Data Access Protocol | |
| 345 | pawserv | TCP/UDP | Perf Analysis Workbench | |
| 346 | zserv | TCP/UDP | Zebra server | |
| 347 | fatserv | TCP/UDP | Fatmen Server | |
| 348 | csi-sgwp | TCP/UDP | Cabletron Management Protocol | |
| 349 | mftp | TCP/UDP | mftp | |
| 350 | matip-type-a | TCP/UDP | MATIP Type A | Reference: [RFC2351] |
| 351 | matip-type-b | TCP/UDP | MATIP Type B | Reference: [RFC2351] |
| 351 | bhoetty | TCP/UDP | bhoetty | |
| 352 | dtag-ste-sb | TCP/UDP | DTAG | |
| 352 | bhoedap4 | TCP/UDP | bhoedap4 | |
| 353 | ndsauth | TCP/UDP | NDSAUTH | |
| 354 | bh611 | TCP/UDP | bh611 | |
| 355 | datex-asn | TCP/UDP | DATEX-ASN | |
| 356 | cloanto-net-1 | TCP/UDP | Cloanto Net 1 | Registered: 2010-04-30 |
| 357 | bhevent | TCP/UDP | bhevent | |
| 358 | shrinkwrap | TCP/UDP | Shrinkwrap | |
| 359 | TCP/UDP | Reserved | Modified: 2023-11-16 | |
| 360 | scoi2odialog | TCP/UDP | scoi2odialog | |
| 361 | semantix | TCP/UDP | Semantix | |
| 362 | srssend | TCP/UDP | SRS Send | |
| 363 | rsvp_tunnel | TCP/UDP | RSVP Tunnel | |
| 364 | aurora-cmgr | TCP/UDP | Aurora CMGR | |
| 365 | dtk | TCP/UDP | DTK | |
| 366 | odmr | TCP/UDP | ODMR | |
| 367 | mortgageware | TCP/UDP | MortgageWare | |
| 368 | qbikgdp | TCP/UDP | QbikGDP | |
| 369 | rpc2portmap | TCP/UDP | rpc2portmap | |
| 370 | codaauth2 | TCP/UDP | codaauth2 | |
| 371 | clearcase | TCP/UDP | Clearcase | |
| 372 | ulistproc | TCP/UDP | ListProcessor | |
| 373 | legent-1 | TCP/UDP | Legent Corporation | |
| 374 | legent-2 | TCP/UDP | Legent Corporation | |
| 375 | hassle | TCP/UDP | Hassle | |
| 376 | nip | TCP/UDP | Amiga Envoy Network Inquiry Protocol | Modified: 2020-10-02 |
| 377 | tnETOS | TCP/UDP | NEC Corporation | |
| 378 | dsETOS | TCP/UDP | NEC Corporation | |
| 379 | is99c | TCP/UDP | TIA/EIA/IS-99 modem client | |
| 380 | is99s | TCP/UDP | TIA/EIA/IS-99 modem server | |
| 381 | hp-collector | TCP/UDP | hp performance data collector | |
| 382 | hp-managed-node | TCP/UDP | hp performance data managed node | |
| 383 | hp-alarm-mgr | TCP/UDP | hp performance data alarm manager | |
| 384 | arns | TCP/UDP | A Remote Network Server System | |
| 385 | ibm-app | TCP/UDP | IBM Application | |
| 386 | asa | TCP/UDP | ASA Message Router Object Def. | |
| 387 | aurp | TCP/UDP | Appletalk Update-Based Routing Pro. | |
| 388 | unidata-ldm | TCP/UDP | Unidata LDM | Modified: 2012-05-18 |
| 389 | ldap | TCP/UDP | Lightweight Directory Access Protocol | |
| 390 | uis | TCP/UDP | UIS | |
| 391 | synotics-relay | TCP/UDP | SynOptics SNMP Relay Port | |
| 392 | synotics-broker | TCP/UDP | SynOptics Port Broker Port | |
| 393 | meta5 | TCP/UDP | Meta5 | |
| 394 | embl-ndt | TCP/UDP | EMBL Nucleic Data Transfer | |
| 395 | netcp | TCP/UDP | NetScout Control Protocol | Registered: 2010-04-07 |
| 396 | netware-ip | TCP/UDP | Novell Netware over IP | |
| 397 | mptn | TCP/UDP | Multi Protocol Trans. Net. | |
| 398 | kryptolan | TCP/UDP | Kryptolan | |
| 399 | iso-tsap-c2 | TCP | ISO Transport Class 2 Non-Control over TCP | |
| 399 | iso-tsap-c2 | UDP | ISO Transport Class 2 Non-Control over UDP | |
| 400 | osb-sd | TCP/UDP | Oracle Secure Backup | Registered: 2008-06-06 Modified: 2023-12-27 |
| 401 | ups | TCP/UDP | Uninterruptible Power Supply | Registered: 2008-08-29 |
| 402 | genie | TCP/UDP | Genie Protocol | |
| 403 | decap | TCP/UDP | decap | |
| 404 | nced | TCP/UDP | nced | |
| 405 | ncld | TCP/UDP | ncld | |
| 406 | imsp | TCP/UDP | Interactive Mail Support Protocol | |
| 407 | timbuktu | TCP/UDP | Timbuktu | |
| 408 | prm-sm | TCP/UDP | Prospero Resource Manager Sys. Man. | |
| 409 | prm-nm | TCP/UDP | Prospero Resource Manager Node Man. | |
| 410 | decladebug | TCP/UDP | DECLadebug Remote Debug Protocol | |
| 411 | rmt | TCP/UDP | Remote MT Protocol | |
| 412 | synoptics-trap | TCP/UDP | Trap Convention Port | |
| 413 | smsp | TCP/UDP | Storage Management Services Protocol | |
| 414 | infoseek | TCP/UDP | InfoSeek | |
| 415 | bnet | TCP/UDP | BNet | |
| 416 | silverplatter | TCP/UDP | Silverplatter | |
| 417 | onmux | TCP/UDP | Onmux | |
| 418 | hyper-g | TCP/UDP | Hyper-G | |
| 419 | ariel1 | TCP/UDP | Ariel 1 | |
| 420 | smpte | TCP/UDP | SMPTE | |
| 421 | ariel2 | TCP/UDP | Ariel 2 | |
| 422 | ariel3 | TCP/UDP | Ariel 3 | |
| 423 | opc-job-start | TCP/UDP | IBM Operations Planning and Control Start | |
| 424 | opc-job-track | TCP/UDP | IBM Operations Planning and Control Track | |
| 425 | icad-el | TCP/UDP | ICAD | |
| 426 | smartsdp | TCP/UDP | smartsdp | |
| 427 | svrloc | TCP/UDP | Server Location | |
| 428 | ocs_cmu | TCP/UDP | OCS_CMU | |
| 429 | ocs_amu | TCP/UDP | OCS_AMU | |
| 430 | utmpsd | TCP/UDP | UTMPSD | |
| 431 | utmpcd | TCP/UDP | UTMPCD | |
| 432 | iasd | TCP/UDP | IASD | |
| 433 | nnsp | TCP/UDP | NNTP for transit servers (NNSP) | Reference: [RFC3977] Modified: 2018-07-06 |
| 434 | mobileip-agent | TCP/UDP | MobileIP-Agent | |
| 435 | mobilip-mn | TCP/UDP | MobilIP-MN | |
| 436 | dna-cml | TCP/UDP | DNA-CML | |
| 437 | comscm | TCP/UDP | comscm | |
| 438 | dsfgw | TCP/UDP | dsfgw | |
| 439 | dasp | TCP/UDP | dasp | |
| 440 | sgcp | TCP/UDP | sgcp | |
| 441 | decvms-sysmgt | TCP/UDP | decvms-sysmgt | |
| 442 | cvc_hostd | TCP/UDP | cvc_hostd | |
| 443 | https | TCP/UDP | http protocol over TLS/SSL | Reference: [RFC9110] Modified: 2021-10-01 |
| 443 | https | SCTP | HTTPS | Reference: [RFC9260] Modified: 2022-02-07 |
| 444 | snpp | TCP/UDP | Simple Network Paging Protocol | Reference: [RFC1568] |
| 445 | microsoft-ds | TCP/UDP | Microsoft-DS | |
| 446 | ddm-rdb | TCP/UDP | DDM-Remote Relational Database Access | |
| 447 | ddm-dfm | TCP/UDP | DDM-Distributed File Management | |
| 448 | ddm-ssl | TCP/UDP | DDM-Remote DB Access Using Secure Sockets | |
| 449 | as-servermap | TCP/UDP | AS Server Mapper | |
| 450 | tserver | TCP/UDP | Computer Supported Telecomunication Applications | |
| 451 | sfs-smp-net | TCP/UDP | Cray Network Semaphore server | |
| 452 | sfs-config | TCP/UDP | Cray SFS config server | |
| 453 | creativeserver | TCP/UDP | CreativeServer | |
| 454 | contentserver | TCP/UDP | ContentServer | |
| 455 | creativepartnr | TCP/UDP | CreativePartnr | |
| 456 | macon-tcp | TCP | macon-tcp | |
| 456 | macon-udp | UDP | macon-udp | |
| 457 | scohelp | TCP/UDP | scohelp | |
| 458 | appleqtc | TCP/UDP | apple quick time | |
| 459 | ampr-rcmd | TCP/UDP | ampr-rcmd | |
| 460 | skronk | TCP/UDP | skronk | |
| 461 | datasurfsrv | TCP/UDP | DataRampSrv | |
| 462 | datasurfsrvsec | TCP/UDP | DataRampSrvSec | |
| 463 | alpes | TCP/UDP | alpes | |
| 464 | kpasswd | TCP/UDP | kpasswd | Modified: 2023-11-17 |
| 465 | urd | TCP | URL Rendezvous Directory for SSM | |
| 465 | submissions | TCP | Message Submission over TLS protocol | Reference: [RFC8314] Registered: 2017-12-12 |
| 465 | igmpv3lite | UDP | IGMP over UDP for SSM | |
| 466 | digital-vrc | TCP/UDP | digital-vrc | |
| 467 | mylex-mapd | TCP/UDP | mylex-mapd | |
| 468 | photuris | TCP/UDP | proturis | |
| 469 | rcp | TCP/UDP | Radio Control Protocol | |
| 470 | scx-proxy | TCP/UDP | scx-proxy | |
| 471 | mondex | TCP/UDP | Mondex | |
| 472 | ljk-login | TCP/UDP | ljk-login | |
| 473 | hybrid-pop | TCP/UDP | hybrid-pop | |
| 474 | tn-tl-w1 | TCP | tn-tl-w1 | |
| 474 | tn-tl-w2 | UDP | tn-tl-w2 | |
| 475 | tcpnethaspsrv | TCP/UDP | tcpnethaspsrv | Registered: 2010-07-23 |
| 476 | tn-tl-fd1 | TCP/UDP | tn-tl-fd1 | |
| 477 | ss7ns | TCP/UDP | ss7ns | |
| 478 | spsc | TCP/UDP | spsc | |
| 479 | iafserver | TCP/UDP | iafserver | |
| 480 | iafdbase | TCP/UDP | iafdbase | |
| 481 | ph | TCP/UDP | Ph service | |
| 482 | bgs-nsi | TCP/UDP | bgs-nsi | |
| 483 | ulpnet | TCP/UDP | ulpnet | |
| 484 | integra-sme | TCP/UDP | Integra Software Management Environment | |
| 485 | powerburst | TCP/UDP | Air Soft Power Burst | |
| 486 | avian | TCP/UDP | avian | |
| 487 | saft | TCP/UDP | saft Simple Asynchronous File Transfer | |
| 488 | gss-http | TCP/UDP | gss-http | |
| 489 | nest-protocol | TCP/UDP | nest-protocol | |
| 490 | micom-pfs | TCP/UDP | micom-pfs | |
| 491 | go-login | TCP/UDP | go-login | |
| 492 | ticf-1 | TCP/UDP | Transport Independent Convergence for FNA | |
| 493 | ticf-2 | TCP/UDP | Transport Independent Convergence for FNA | |
| 494 | pov-ray | TCP/UDP | POV-Ray | |
| 495 | intecourier | TCP/UDP | intecourier | |
| 496 | pim-rp-disc | TCP/UDP | PIM-RP-DISC | |
| 497 | retrospect | TCP/UDP | Retrospect backup and restore service | Modified: 2012-02-02 |
| 498 | siam | TCP/UDP | siam | |
| 499 | iso-ill | TCP/UDP | ISO ILL Protocol | |
| 500 | isakmp | TCP/UDP | isakmp | |
| 501 | stmf | TCP/UDP | STMF | |
| 502 | mbap | TCP/UDP | Modbus Application Protocol | Modified: 2014-06-10 |
| 503 | intrinsa | TCP/UDP | Intrinsa | |
| 504 | citadel | TCP/UDP | citadel | |
| 505 | mailbox-lm | TCP/UDP | mailbox-lm | |
| 506 | ohimsrv | TCP/UDP | ohimsrv | |
| 507 | crs | TCP/UDP | crs | |
| 508 | xvttp | TCP/UDP | xvttp | |
| 509 | snare | TCP/UDP | snare | |
| 510 | fcp | TCP/UDP | FirstClass Protocol | |
| 511 | passgo | TCP/UDP | PassGo |
Source: IANA
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