| IANA Keyword | Port | IANA Desciption |
| 0 | Reserved | |
| tcpmux | 1 | TCP Port Service Multiplexer |
| compressnet | 2 | Management Utility |
| compressnet | 3 | Compression Process |
| rje | 5 | Remote Job Entry |
| echo | 7 | Echo |
| discard | 9 | Discard |
| systat | 11 | Active Users |
| daytime | 13 | Daytime (RFC 867) |
| qotd | 17 | Quote of the Day |
| msp | 18 | Message Send Protocol |
| chargen | 19 | Character Generator |
| ftp-data | 20 | File Transfer [Default Data] |
| ftp | 21 | File Transfer [Control] |
| ssh | 22 | SSH Remote Login Protocol |
| telnet | 23 | Telnet |
| 24 | any private mail system | |
| smtp | 25 | Simple Mail Transfer |
| nsw-fe | 27 | NSW User System FE |
| msg-icp | 29 | MSG ICP |
| msg-auth | 31 | MSG Authentication |
| dsp | 33 | Display Support Protocol |
| 35 | any private printer server | |
| time | 37 | Time |
| rap | 38 | Route Access Protocol |
| rlp | 39 | Resource Location Protocol |
| graphics | 41 | Graphics |
| name | 42 | Host Name Server |
| nameserver | 42 | Host Name Server |
| nicname | 43 | Who Is |
| mpm-flags | 44 | MPM FLAGS Protocol |
| mpm | 45 | Message Processing Module [recv] |
| mpm-snd | 46 | MPM [default send] |
| ni-ftp | 47 | NI FTP |
| auditd | 48 | Digital Audit Daemon |
| tacacs | 49 | Login Host Protocol (TACACS) |
| re-mail-ck | 50 | Remote Mail Checking Protocol |
| la-maint | 51 | IMP Logical Address Maintenance |
| xns-time | 52 | XNS Time Protocol |
| domain | 53 | Domain Name Server |
| xns-ch | 54 | XNS Clearinghouse |
| isi-gl | 55 | ISI Graphics Language |
| xns-auth | 56 | XNS Authentication |
| 57 | any private terminal access | |
| xns-mail | 58 | XNS Mail |
| 59 | any private file service | |
| 60 | Unassigned | |
| ni-mail | 61 | NI MAIL |
| acas | 62 | ACA Services |
| whois++ | 63 | whois++ |
| covia | 64 | Communications Integrator (CI) |
| tacacs-ds | 65 | TACACS-Database Service |
| sql*net | 66 | Oracle SQL*NET |
| bootps | 67 | Bootstrap Protocol Server |
| bootpc | 68 | Bootstrap Protocol Client |
| tftp | 69 | Trivial File Transfer |
| gopher | 70 | Gopher |
| netrjs-1 | 71 | Remote Job Service |
| netrjs-2 | 72 | Remote Job Service |
| netrjs-3 | 73 | Remote Job Service |
| netrjs-4 | 74 | Remote Job Service |
| 75 | any private dial out service | |
| deos | 76 | Distributed External Object Store |
| 77 | any private RJE service | |
| vettcp | 78 | vettcp |
| finger | 79 | Finger |
| http | 80 | World Wide Web HTTP |
| www | 80 | World Wide Web HTTP |
| www-http | 80 | World Wide Web HTTP |
| hosts2-ns | 81 | HOSTS2 Name Server |
| xfer | 82 | XFER Utility |
| mit-ml-dev | 83 | MIT ML Device |
| ctf | 84 | Common Trace Facility |
| mit-ml-dev | 85 | MIT ML Device |
| mfcobol | 86 | Micro Focus Cobol |
| 87 | any private terminal link | |
| kerberos | 88 | Kerberos |
| su-mit-tg | 89 | SU/MIT Telnet Gateway |
| dnsix | 90 | DNSIX Securit Attribute Token Map |
| mit-dov | 91 | MIT Dover Spooler |
| npp | 92 | Network Printing Protocol |
| dcp | 93 | Device Control Protocol |
| objcall | 94 | Tivoli Object Dispatcher |
| supdup | 95 | SUPDUP |
| dixie | 96 | DIXIE Protocol Specification |
| swift-rvf | 97 | Swift Remote Virtural File Protocol |
| tacnews | 98 | TAC News |
| metagram | 99 | Metagram Relay |
| hostname | 101 | NIC Host Name Server |
| iso-tsap | 102 | ISO-TSAP Class 0 |
| gppitnp | 103 | Genesis Point-to-Point Trans Net |
| acr-nema | 104 | ACR-NEMA Digital Imag. & Comm. 300 |
| csnet-ns | 105 | Mailbox Name Nameserver |
| cso | 105 | CCSO name server protocol |
| 3com-tsmux | 106 | 3COM-TSMUX |
| rtelnet | 107 | Remote Telnet Service |
| snagas | 108 | SNA Gateway Access Server |
| pop2 | 109 | Post Office Protocol - Version 2 |
| pop3 | 110 | Post Office Protocol - Version 3 |
| sunrpc | 111 | SUN Remote Procedure Call |
| mcidas | 112 | McIDAS Data Transmission Protocol |
| auth | 113 | Authentication Service |
| audionews | 114 | Audio News Multicast |
| sftp | 115 | Simple File Transfer Protocol |
| ansanotify | 116 | ANSA REX Notify |
| uucp-path | 117 | UUCP Path Service |
| sqlserv | 118 | SQL Services |
| nntp | 119 | Network News Transfer Protocol |
| cfdptkt | 120 | CFDPTKT |
| erpc | 121 | Encore Expedited Remote Pro.Call |
| smakynet | 122 | SMAKYNET |
| ntp | 123 | Network Time Protocol |
| ansatrader | 124 | ANSA REX Trader |
| locus-map | 125 | Locus PC-Interface Net Map Ser |
| nxedit | 126 | NXEdit |
| locus-con | 127 | Locus PC-Interface Conn Server |
| gss-xlicen | 128 | GSS X License Verification |
| pwdgen | 129 | Password Generator Protocol |
| cisco-fna | 130 | cisco FNATIVE |
| cisco-tna | 131 | cisco TNATIVE |
| cisco-sys | 132 | cisco SYSMAINT |
| statsrv | 133 | Statistics Service |
| ingres-net | 134 | INGRES-NET Service |
| epmap | 135 | DCE endpoint resolution |
| profile | 136 | PROFILE Naming System |
| netbios-ns | 137 | NETBIOS Name Service |
| netbios-dgm | 138 | NETBIOS Datagram Service |
| netbios-ssn | 139 | NETBIOS Session Service |
| emfis-data | 140 | EMFIS Data Service |
| emfis-cntl | 141 | EMFIS Control Service |
| bl-idm | 142 | Britton-Lee IDM |
| imap | 143 | Internet Message Access Protocol |
| uma | 144 | Universal Management Architecture |
| uaac | 145 | UAAC Protocol |
| iso-tp0 | 146 | ISO-IP0 |
| iso-ip | 147 | ISO-IP |
| jargon | 148 | Jargon |
| aed-512 | 149 | AED 512 Emulation Service |
| sql-net | 150 | SQL-NET |
| hems | 151 | HEMS |
| bftp | 152 | Background File Transfer Program |
| sgmp | 153 | SGMP |
| netsc-prod | 154 | NETSC |
| netsc-dev | 155 | NETSC |
| sqlsrv | 156 | SQL Service |
| knet-cmp | 157 | KNET/VM Command/Message Protocol |
| pcmail-srv | 158 | PCMail Server |
| nss-routing | 159 | NSS-Routing |
| sgmp-traps | 160 | SGMP-TRAPS |
| snmp | 161 | SNMP |
| snmptrap | 162 | SNMPTRAP |
| cmip-man | 163 | CMIP/TCP Manager |
| cmip-agent | 164 | CMIP/TCP Agent |
| xns-courier | 165 | Xerox |
| s-net | 166 | Sirius Systems |
| namp | 167 | NAMP |
| rsvd | 168 | RSVD |
| send | 169 | SEND |
| print-srv | 170 | Network PostScript |
| multiplex | 171 | Network Innovations Multiplex |
| cl/1 | 172 | Network Innovations CL/1 |
| xyplex-mux | 173 | Xyplex |
| mailq | 174 | MAILQ |
| vmnet | 175 | VMNET |
| genrad-mux | 176 | GENRAD-MUX |
| xdmcp | 177 | X Display Manager Control Protocol |
| nextstep | 178 | NextStep Window Server |
| bgp | 179 | Border Gateway Protocol |
| ris | 180 | Intergraph |
| unify | 181 | Unify |
| audit | 182 | Unisys Audit SITP |
| ocbinder | 183 | OCBinder |
| ocserver | 184 | OCServer |
| remote-kis | 185 | Remote-KIS |
| kis | 186 | KIS Protocol |
| aci | 187 | Application Communication Interface |
| mumps | 188 | Plus Five's MUMPS |
| qft | 189 | Queued File Transport |
| gacp | 190 | Gateway Access Control Protocol |
| prospero | 191 | Prospero Directory Service |
| osu-nms | 192 | OSU Network Monitoring System |
| srmp | 193 | Spider Remote Monitoring Protocol |
| irc | 194 | Internet Relay Chat Protocol |
| dn6-nlm-aud | 195 | DNSIX Network Level Module Audit |
| dn6-smm-red | 196 | DNSIX Session Mgt Module Audit Redir |
| dls | 197 | Directory Location Service |
| dls-mon | 198 | Directory Location Service Monitor |
| smux | 199 | SMUX |
| src | 200 | IBM System Resource Controller |
| at-rtmp | 201 | AppleTalk Routing Maintenance |
| at-nbp | 202 | AppleTalk Name Binding |
| at-3 | 203 | AppleTalk Unused |
| at-echo | 204 | AppleTalk Echo |
| at-5 | 205 | AppleTalk Unused |
| at-zis | 206 | AppleTalk Zone Information |
| at-7 | 207 | AppleTalk Unused |
| at-8 | 208 | AppleTalk Unused |
| qmtp | 209 | The Quick Mail Transfer Protocol |
| z39.50 | 210 | ANSI Z39.50 |
| 914c/g | 211 | Texas Instruments 914C/G Terminal |
| anet | 212 | ATEXSSTR |
| ipx | 213 | IPX |
| vmpwscs | 214 | VM PWSCS |
| softpc | 215 | Insignia Solutions |
| CAIlic | 216 | Computer Associates Int'l License Server |
| dbase | 217 | dBASE Unix |
| mpp | 218 | Netix Message Posting Protocol |
| uarps | 219 | Unisys ARPs |
| imap3 | 220 | Interactive Mail Access Protocol v3 |
| fln-spx | 221 | Berkeley rlogind with SPX auth |
| rsh-spx | 222 | Berkeley rshd with SPX auth |
| cdc | 223 | Certificate Distribution Center |
| masqdialer | 224 | masqdialer |
| direct | 242 | Direct |
| sur-meas | 243 | Survey Measurement |
| inbusiness | 244 | inbusiness |
| link | 245 | LINK |
| dsp3270 | 246 | Display Systems Protocol |
| subntbcst_tftp | 247 | SUBNTBCST_TFTP |
| bhfhs | 248 | bhfhs |
| rap | 256 | RAP |
| set | 257 | Secure Electronic Transaction |
| yak-chat | 258 | Yak Winsock Personal Chat |
| esro-gen | 259 | Efficient Short Remote Operations |
| openport | 260 | Openport |
| nsiiops | 261 | IIOP Name Service over TLS/SSL |
| arcisdms | 262 | Arcisdms |
| hdap | 263 | HDAP |
| bgmp | 264 | BGMP |
| x-bone-ctl | 265 | X-Bone CTL |
| sst | 266 | SCSI on ST |
| td-service | 267 | Tobit David Service Layer |
| td-replica | 268 | Tobit David Replica |
| http-mgmt | 280 | http-mgmt |
| personal-link | 281 | Personal Link |
| cableport-ax | 282 | Cable Port A/X |
| rescap | 283 | rescap |
| corerjd | 284 | corerjd |
| fxp-1 | 286 | FXP-1 |
| k-block | 287 | K-BLOCK |
| novastorbakcup | 308 | Novastor Backup |
| entrusttime | 309 | EntrustTime |
| bhmds | 310 | bhmds |
| asip-webadmin | 311 | AppleShare IP WebAdmin |
| vslmp | 312 | VSLMP |
| magenta-logic | 313 | Magenta Logic |
| opalis-robot | 314 | Opalis Robot |
| dpsi | 315 | DPSI |
| decauth | 316 | decAuth |
| zannet | 317 | Zannet |
| pkix-timestamp | 318 | PKIX TimeStamp |
| ptp-event | 319 | PTP Event |
| ptp-general | 320 | PTP General |
| pip | 321 | PIP |
| rtsps | 322 | RTSPS |
| texar | 333 | Texar Security Port |
| pdap | 344 | Prospero Data Access Protocol |
| pawserv | 345 | Perf Analysis Workbench |
| zserv | 346 | Zebra server |
| fatserv | 347 | Fatmen Server |
| csi-sgwp | 348 | Cabletron Management Protocol |
| mftp | 349 | mftp |
| matip-type-a | 350 | MATIP Type A |
| bhoetty | 351 | bhoetty |
| matip-type-b | 351 | MATIP Type B |
| bhoedap4 | 352 | bhoedap4 |
| dtag-ste-sb | 352 | DTAG |
| ndsauth | 353 | NDSAUTH |
| bh611 | 354 | bh611 |
| datex-asn | 355 | DATEX-ASN |
| cloanto-net-1 | 356 | Cloanto Net 1 |
| bhevent | 357 | bhevent |
| shrinkwrap | 358 | Shrinkwrap |
| nsrmp | 359 | Network Security Risk Management Protocol |
| scoi2odialog | 360 | scoi2odialog |
| semantix | 361 | Semantix |
| srssend | 362 | SRS Send |
| rsvp_tunnel | 363 | RSVP Tunnel |
| aurora-cmgr | 364 | Aurora CMGR |
| dtk | 365 | DTK |
| odmr | 366 | ODMR |
| mortgageware | 367 | MortgageWare |
| qbikgdp | 368 | QbikGDP |
| rpc2portmap | 369 | rpc2portmap |
| codaauth2 | 370 | codaauth2 |
| clearcase | 371 | Clearcase |
| ulistproc | 372 | ListProcessor |
| legent-1 | 373 | Legent Corporation |
| legent-2 | 374 | Legent Corporation |
| hassle | 375 | Hassle |
| nip | 376 | Amiga Envoy Network Inquiry Proto |
| tnETOS | 377 | NEC Corporation |
| dsETOS | 378 | NEC Corporation |
| is99c | 379 | TIA/EIA/IS-99 modem client |
| is99s | 380 | TIA/EIA/IS-99 modem server |
| hp-collector | 381 | hp performance data collector |
| hp-managed-node | 382 | hp performance data managed node |
| hp-alarm-mgr | 383 | hp performance data alarm manager |
| arns | 384 | A Remote Network Server System |
| ibm-app | 385 | IBM Application |
| asa | 386 | ASA Message Router Object Def. |
| aurp | 387 | Appletalk Update-Based Routing Pro. |
| unidata-ldm | 388 | Unidata LDM |
| ldap | 389 | Lightweight Directory Access Protocol |
| uis | 390 | UIS |
| synotics-relay | 391 | SynOptics SNMP Relay Port |
| synotics-broker | 392 | SynOptics Port Broker Port |
| meta5 | 393 | Meta5 |
| embl-ndt | 394 | EMBL Nucleic Data Transfer |
| netcp | 395 | NETscout Control Protocol |
| netware-ip | 396 | Novell Netware over IP |
| mptn | 397 | Multi Protocol Trans. Net. |
| kryptolan | 398 | Kryptolan |
| iso-tsap-c2 | 399 | ISO Transport Class 2 Non-Control over UDP |
| work-sol | 400 | Workstation Solutions |
| ups | 401 | Uninterruptible Power Supply |
| genie | 402 | Genie Protocol |
| decap | 403 | decap |
| nced | 404 | nced |
| ncld | 405 | ncld |
| imsp | 406 | Interactive Mail Support Protocol |
| timbuktu | 407 | Timbuktu |
| prm-sm | 408 | Prospero Resource Manager Sys. Man. |
| prm-nm | 409 | Prospero Resource Manager Node Man. |
| decladebug | 410 | DECLadebug Remote Debug Protocol |
| rmt | 411 | Remote MT Protocol |
| synoptics-trap | 412 | Trap Convention Port |
| smsp | 413 | Storage Management Services Protocol |
| infoseek | 414 | InfoSeek |
| bnet | 415 | BNet |
| silverplatter | 416 | Silverplatter |
| onmux | 417 | Onmux |
| hyper-g | 418 | Hyper-G |
| ariel1 | 419 | Ariel 1 |
| smpte | 420 | SMPTE |
| ariel2 | 421 | Ariel 2 |
| ariel3 | 422 | Ariel 3 |
| opc-job-start | 423 | IBM Operations Planning and Control Start |
| opc-job-track | 424 | IBM Operations Planning and Control Track |
| icad-el | 425 | ICAD |
| smartsdp | 426 | smartsdp |
| svrloc | 427 | Server Location |
| ocs_cmu | 428 | OCS_CMU |
| ocs_amu | 429 | OCS_AMU |
| utmpsd | 430 | UTMPSD |
| utmpcd | 431 | UTMPCD |
| iasd | 432 | IASD |
| nnsp | 433 | NNSP |
| mobileip-agent | 434 | MobileIP-Agent |
| mobilip-mn | 435 | MobilIP-MN |
| dna-cml | 436 | DNA-CML |
| comscm | 437 | comscm |
| dsfgw | 438 | dsfgw |
| dasp | 439 | dasp tommy@inlab.m.eunet.de |
| sgcp | 440 | sgcp |
| decvms-sysmgt | 441 | decvms-sysmgt |
| cvc_hostd | 442 | cvc_hostd |
| https | 443 | http protocol over TLS/SSL |
| snpp | 444 | Simple Network Paging Protocol |
| microsoft-ds | 445 | Microsoft-DS |
| ddm-rdb | 446 | DDM-RDB |
| ddm-dfm | 447 | DDM-RFM |
| ddm-ssl | 448 | DDM-SSL |
| as-servermap | 449 | AS Server Mapper |
| tserver | 450 | Computer Supported Telecomunication Applications |
| sfs-smp-net | 451 | Cray Network Semaphore server |
| sfs-config | 452 | Cray SFS config server |
| creativeserver | 453 | CreativeServer |
| contentserver | 454 | ContentServer |
| creativepartnr | 455 | CreativePartnr |
| macon-udp | 456 | macon-udp |
| scohelp | 457 | scohelp |
| appleqtc | 458 | apple quick time |
| ampr-rcmd | 459 | ampr-rcmd |
| skronk | 460 | skronk |
| datasurfsrv | 461 | DataRampSrv |
| datasurfsrvsec | 462 | DataRampSrvSec |
| alpes | 463 | alpes |
| kpasswd | 464 | kpasswd |
| igmpv3lite | 465 | IGMP over UDP for SSM |
| digital-vrc | 466 | digital-vrc |
| mylex-mapd | 467 | mylex-mapd |
| photuris | 468 | proturis |
| rcp | 469 | Radio Control Protocol |
| scx-proxy | 470 | scx-proxy |
| mondex | 471 | Mondex |
| ljk-login | 472 | ljk-login |
| hybrid-pop | 473 | hybrid-pop |
| tn-tl-w2 | 474 | tn-tl-w2 |
| tcpnethaspsrv | 475 | tcpnethaspsrv |
| tn-tl-fd1 | 476 | tn-tl-fd1 |
| ss7ns | 477 | ss7ns |
| spsc | 478 | spsc |
| iafserver | 479 | iafserver |
| iafdbase | 480 | iafdbase |
| ph | 481 | Ph service |
| bgs-nsi | 482 | bgs-nsi |
| ulpnet | 483 | ulpnet |
| integra-sme | 484 | Integra Software Management Environment |
| powerburst | 485 | Air Soft Power Burst |
| avian | 486 | avian |
| saft | 487 | saft Simple Asynchronous File Transfer |
| gss-http | 488 | gss-http |
| nest-protocol | 489 | nest-protocol |
| micom-pfs | 490 | micom-pfs |
| go-login | 491 | go-login |
| ticf-1 | 492 | Transport Independent Convergence for FNA |
| ticf-2 | 493 | Transport Independent Convergence for FNA |
| pov-ray | 494 | POV-Ray |
| intecourier | 495 | intecourier |
| pim-rp-disc | 496 | PIM-RP-DISC |
| dantz | 497 | dantz |
| siam | 498 | siam |
| iso-ill | 499 | ISO ILL Protocol |
| isakmp | 500 | isakmp |
| stmf | 501 | STMF |
| asa-appl-proto | 502 | asa-appl-proto |
| intrinsa | 503 | Intrinsa |
| citadel | 504 | citadel |
| mailbox-lm | 505 | mailbox-lm |
| ohimsrv | 506 | ohimsrv |
| crs | 507 | crs |
| xvttp | 508 | xvttp |
| snare | 509 | snare |
| fcp | 510 | FirstClass Protocol |
| passgo | 511 | PassGo |
| biff | 512 | used by mail system to notify users |
| comsat | 512 | |
| who | 513 | maintains data bases showing who's |
| syslog | 514 | |
| printer | 515 | spooler |
| videotex | 516 | videotex |
| talk | 517 | "like tenex link, but across" |
| ntalk | 518 | |
| utime | 519 | unixtime |
| router | 520 | local routing process (on site); |
| ripng | 521 | ripng |
| ulp | 522 | ULP |
| ibm-db2 | 523 | IBM-DB2 |
| ncp | 524 | NCP |
| timed | 525 | timeserver |
| tempo | 526 | newdate |
| stx | 527 | Stock IXChange |
| custix | 528 | Customer IXChange |
| irc-serv | 529 | IRC-SERV |
| courier | 530 | rpc |
| conference | 531 | chat |
| netnews | 532 | readnews |
| netwall | 533 | for emergency broadcasts |
| mm-admin | 534 | MegaMedia Admin |
| iiop | 535 | iiop |
| opalis-rdv | 536 | opalis-rdv |
| nmsp | 537 | Networked Media Streaming Protocol |
| gdomap | 538 | gdomap |
| apertus-ldp | 539 | Apertus Technologies Load Determination |
| uucp | 540 | uucpd |
| uucp-rlogin | 541 | uucp-rlogin |
| commerce | 542 | commerce |
| klogin | 543 | |
| kshell | 544 | krcmd |
| appleqtcsrvr | 545 | appleqtcsrvr |
| dhcpv6-client | 546 | DHCPv6 Client |
| dhcpv6-server | 547 | DHCPv6 Server |
| afpovertcp | 548 | AFP over TCP |
| idfp | 549 | IDFP |
| new-rwho | 550 | new-who |
| cybercash | 551 | cybercash |
| devshr-nts | 552 | DeviceShare |
| pirp | 553 | pirp |
| rtsp | 554 | Real Time Stream Control Protocol |
| dsf | 555 | |
| remotefs | 556 | rfs server |
| openvms-sysipc | 557 | openvms-sysipc |
| sdnskmp | 558 | SDNSKMP |
| teedtap | 559 | TEEDTAP |
| rmonitor | 560 | rmonitord |
| monitor | 561 | |
| chshell | 562 | chcmd |
| nntps | 563 | nntp protocol over TLS/SSL (was snntp) |
| 9pfs | 564 | plan 9 file service |
| whoami | 565 | whoami |
| streettalk | 566 | streettalk |
| banyan-rpc | 567 | banyan-rpc |
| ms-shuttle | 568 | microsoft shuttle |
| ms-rome | 569 | microsoft rome |
| meter | 570 | demon |
| meter | 571 | udemon |
| sonar | 572 | sonar |
| banyan-vip | 573 | banyan-vip |
| ftp-agent | 574 | FTP Software Agent System |
| vemmi | 575 | VEMMI |
| ipcd | 576 | ipcd |
| vnas | 577 | vnas |
| ipdd | 578 | ipdd |
| decbsrv | 579 | decbsrv |
| sntp-heartbeat | 580 | SNTP HEARTBEAT |
| bdp | 581 | Bundle Discovery Protocol |
| scc-security | 582 | SCC Security |
| philips-vc | 583 | Philips Video-Conferencing |
| keyserver | 584 | Key Server |
| imap4-ssl | 585 | IMAP4+SSL (use 993 instead) |
| password-chg | 586 | Password Change |
| submission | 587 | Submission |
| cal | 588 | CAL |
| eyelink | 589 | EyeLink |
| tns-cml | 590 | TNS CML |
| http-alt | 591 | "FileMaker, Inc. - HTTP Alternate (see Port 80)" |
| eudora-set | 592 | Eudora Set |
| http-rpc-epmap | 593 | HTTP RPC Ep Map |
| tpip | 594 | TPIP |
| cab-protocol | 595 | CAB Protocol |
| smsd | 596 | SMSD |
| ptcnameservice | 597 | PTC Name Service |
| sco-websrvrmg3 | 598 | SCO Web Server Manager 3 |
| acp | 599 | Aeolon Core Protocol |
| ipcserver | 600 | Sun IPC server |
| syslog-conn | 601 | Reliable Syslog Service |
| soap-beep | 605 | SOAP over BEEP |
| urm | 606 | Cray Unified Resource Manager |
| nqs | 607 | nqs |
| sift-uft | 608 | Sender-Initiated/Unsolicited File Transfer |
| npmp-trap | 609 | npmp-trap |
| npmp-local | 610 | npmp-local |
| npmp-gui | 611 | npmp-gui |
| hmmp-ind | 612 | HMMP Indication |
| hmmp-op | 613 | HMMP Operation |
| sshell | 614 | SSLshell |
| sco-inetmgr | 615 | Internet Configuration Manager |
| sco-sysmgr | 616 | SCO System Administration Server |
| sco-dtmgr | 617 | SCO Desktop Administration Server |
| dei-icda | 618 | DEI-ICDA |
| compaq-evm | 619 | Compaq EVM |
| sco-websrvrmgr | 620 | SCO WebServer Manager |
| escp-ip | 621 | ESCP |
| collaborator | 622 | Collaborator |
| asf-rmcp | 623 | ASF Remote Management and Control Protocol |
| cryptoadmin | 624 | Crypto Admin |
| dec_dlm | 625 | DEC DLM |
| asia | 626 | ASIA |
| passgo-tivoli | 627 | PassGo Tivoli |
| qmqp | 628 | QMQP |
| 3com-amp3 | 629 | 3Com AMP3 |
| rda | 630 | RDA |
| ipp | 631 | IPP (Internet Printing Protocol) |
| bmpp | 632 | bmpp |
| servstat | 633 | Service Status update (Sterling Software) |
| ginad | 634 | ginad |
| rlzdbase | 635 | RLZ DBase |
| ldaps | 636 | ldap protocol over TLS/SSL (was sldap) |
| lanserver | 637 | lanserver |
| mcns-sec | 638 | mcns-sec |
| msdp | 639 | MSDP |
| entrust-sps | 640 | entrust-sps |
| repcmd | 641 | repcmd |
| esro-emsdp | 642 | ESRO-EMSDP V1.3 |
| sanity | 643 | SANity |
| dwr | 644 | dwr |
| pssc | 645 | PSSC |
| ldp | 646 | LDP |
| dhcp-failover | 647 | DHCP Failover |
| rrp | 648 | Registry Registrar Protocol (RRP) |
| cadview-3d | 649 | Cadview-3d - streaming 3d models over the internet |
| obex | 650 | OBEX |
| ieee-mms | 651 | IEEE MMS |
| hello-port | 652 | HELLO_PORT |
| repscmd | 653 | RepCmd |
| aodv | 654 | AODV |
| tinc | 655 | TINC |
| spmp | 656 | SPMP |
| rmc | 657 | RMC |
| tenfold | 658 | TenFold |
| mac-srvr-admin | 660 | MacOS Server Admin |
| hap | 661 | HAP |
| pftp | 662 | PFTP |
| purenoise | 663 | PureNoise |
| asf-secure-rmcp | 664 | ASF Secure Remote Management and Control Protocol |
| sun-dr | 665 | Sun DR |
| doom | 666 | doom Id Software |
| mdqs | 666 | |
| disclose | 667 | campaign contribution disclosures - SDR Technologies |
| mecomm | 668 | MeComm |
| meregister | 669 | MeRegister |
| vacdsm-sws | 670 | VACDSM-SWS |
| vacdsm-app | 671 | VACDSM-APP |
| vpps-qua | 672 | VPPS-QUA |
| cimplex | 673 | CIMPLEX |
| acap | 674 | ACAP |
| dctp | 675 | DCTP |
| vpps-via | 676 | VPPS Via |
| vpp | 677 | Virtual Presence Protocol |
| ggf-ncp | 678 | GNU Generation Foundation NCP |
| mrm | 679 | MRM |
| entrust-aaas | 680 | entrust-aaas |
| entrust-aams | 681 | entrust-aams |
| xfr | 682 | XFR |
| corba-iiop | 683 | CORBA IIOP |
| corba-iiop-ssl | 684 | CORBA IIOP SSL |
| mdc-portmapper | 685 | MDC Port Mapper |
| hcp-wismar | 686 | Hardware Control Protocol Wismar |
| asipregistry | 687 | asipregistry |
| realm-rusd | 688 | REALM-RUSD |
| nmap | 689 | NMAP |
| vatp | 690 | VATP |
| msexch-routing | 691 | MS Exchange Routing |
| hyperwave-isp | 692 | Hyperwave-ISP |
| connendp | 693 | connendp |
| ha-cluster | 694 | ha-cluster |
| ieee-mms-ssl | 695 | IEEE-MMS-SSL |
| rushd | 696 | RUSHD |
| uuidgen | 697 | UUIDGEN |
| olsr | 698 | OLSR |
| accessnetwork | 699 | Access Network |
| elcsd | 704 | errlog copy/server daemon |
| agentx | 705 | AgentX |
| silc | 706 | SILC |
| borland-dsj | 707 | Borland DSJ |
| entrust-kmsh | 709 | Entrust Key Management Service Handler |
| entrust-ash | 710 | Entrust Administration Service Handler |
| cisco-tdp | 711 | Cisco TDP |
| netviewdm1 | 729 | IBM NetView DM/6000 Server/Client |
| netviewdm2 | 730 | IBM NetView DM/6000 send/tcp |
| netviewdm3 | 731 | IBM NetView DM/6000 receive/tcp |
| netgw | 741 | netGW |
| netrcs | 742 | Network based Rev. Cont. Sys. |
| flexlm | 744 | Flexible License Manager |
| fujitsu-dev | 747 | Fujitsu Device Control |
| ris-cm | 748 | Russell Info Sci Calendar Manager |
| kerberos-adm | 749 | kerberos administration |
| kerberos-iv | 750 | kerberos version iv |
| loadav | 750 | |
| pump | 751 | |
| qrh | 752 | |
| rrh | 753 | |
| tell | 754 | send |
| nlogin | 758 | |
| con | 759 | |
| ns | 760 | |
| rxe | 761 | |
| quotad | 762 | |
| cycleserv | 763 | |
| omserv | 764 | |
| webster | 765 | |
| phonebook | 767 | phone |
| vid | 769 | |
| cadlock | 770 | |
| rtip | 771 | |
| cycleserv2 | 772 | |
| notify | 773 | |
| acmaint_dbd | 774 | |
| acmaint_transd | 775 | |
| wpages | 776 | |
| multiling-http | 777 | Multiling HTTP |
| wpgs | 780 | |
| mdbs_daemon | 800 | |
| device | 801 | |
| fcp-udp | 810 | FCP Datagram |
| itm-mcell-s | 828 | itm-mcell-s |
| pkix-3-ca-ra | 829 | PKIX-3 CA/RA |
| dhcp-failover2 | 847 | dhcp-failover 2 |
| rsync | 873 | rsync |
| iclcnet-locate | 886 | ICL coNETion locate server |
| iclcnet_svinfo | 887 | ICL coNETion server info |
| accessbuilder | 888 | AccessBuilder |
| omginitialrefs | 900 | OMG Initial Refs |
| smpnameres | 901 | SMPNAMERES |
| ideafarm-chat | 902 | IDEAFARM-CHAT |
| ideafarm-catch | 903 | IDEAFARM-CATCH |
| xact-backup | 911 | xact-backup |
| apex-mesh | 912 | APEX relay-relay service |
| apex-edge | 913 | APEX endpoint-relay service |
| ftps-data | 989 | "ftp protocol, data, over TLS/SSL" |
| ftps | 990 | "ftp protocol, control, over TLS/SSL" |
| nas | 991 | Netnews Administration System |
| telnets | 992 | telnet protocol over TLS/SSL |
| imaps | 993 | imap4 protocol over TLS/SSL |
| ircs | 994 | irc protocol over TLS/SSL |
| pop3s | 995 | pop3 protocol over TLS/SSL (was spop3) |
| vsinet | 996 | vsinet |
| maitrd | 997 | |
| puparp | 998 | |
| applix | 999 | Applix ac |
| cadlock2 | 1000 | |
| surf | 1010 | surf |
| 1023 | Reserved |