1 tcpmux - TCP Port Service Multiplexer 2 compressnet - Management Utility 3 compressnet - Compression Process 5 rje - Remote Job Entry 7 echo 9 discard 11 systat - Active Users 13 daytime 17 qotd - Quote of the Day 18 msp - Message Send Protocol 19 chargen - Character Generator 20 ftp-data - File Transfer [Default Data] 21 ftp - File Transfer [Control] 23 telnet 24 any private mail system 25 smtp - Simple Mail Transfer 27 nsw-fe - NSW User System FE 29 msg-icp 31 msg-auth - MSG Authentication 33 dsp - Display Support Protocol 35 any private printer server 37 time 38 rap - Route Access Protocol 39 rlp - Resource Location Protocol 41 graphics 42 nameserver - Host Name Server 43 nicname - Who Is 44 mpm-flags - MPM FLAGS Protocol 45 mpm - Message Processing Module [recv] 46 mpm - Message Processing Module [default send] 47 ni-ftp 48 auditd - Digital Audit Daemon 49 login - Login Host Protocol 50 re-mail-ck - Remote Mail Checking Protocol 51 la-maint - IMP Logical Address Maintenance 52 xns-time - XNS Time Protocol 53 domain - Domain Name Server 54 xns-ch - XNS Clearinghouse 55 isi-gl - ISI Graphics Language 56 xns-auth - XNS Authentication 57 any private terminal access 58 xns-mail - XNS Mail 59 any private file service 61 ni-mail 62 acas - ACA Services 64 covia - Communications Integrator (CI) 65 tacacs-ds - TACACS-Database Service 67 bootps - Bootstrap Protocol Server 68 bootpc - Bootstrap Protocol Client 69 tftp - Trivial File Transfer 70 gopher 71 netrjs-1 Remote Job Service 72 netrjs-2 Remote Job Service 73 netrjs-3 Remote Job Service 74 netrjs-4 Remote Job Service 75 any private dial out service 76 deos - Distributed External Object Store 77 any private RJE service 78 vettcp 79 finger 80 www-http - World Wide Web HTTP 81 host2-ns - HOSTS2 Name Server 82 xfer - XFER Utility 83 mit-ml-dev 84 ctf - Common Trace Facility 85 mit-ml-dev 86 mfcobol - Micro Focus Cobol 87 any private terminal link 88 kerberos 89 su-mit-tg - SU/MIT Telnet Gateway 90 dnsix - DNSIX Security Attribute Token Map 91 mit-dov - MIT Dover Spooler 92 npp - Network Printing Protocol 93 dcp - Device Control Protocol 94 objcall - Tivoli Object Dispatcher 95 supdup 96 dixie - DIXIE Protocol Specification 97 swift-rvf - Swift Remote Virtual File Protocol 98 tacnews 99 metagram - Metagram Relay 100 newacct - [unauthorized use] 101 hostname - NIC Host Name Server 102 iso-tsap 103 gppitnp - Genesis Point-To-Point Trans Net 104 acr-nema - ACR-NEMA Digital Imag. & Comm. 300 105 csnet-ns - Mailbox Name Nameserver 106 3com-tsmux 107 rtelnet - Remote Telnet Service 108 snagas - SNA Gateway Access Server 109 pop2 - Post Office Protocol - Version 2 110 pop3 - Post Office Protocol - Version 3 111 sunrpc - SUN Remote Procedure Call 112 mcidas - McIDAS Data Transmission Protocol 113 auth - Authentication Service 114 audionews - Audio News Multicast 115 sftp - Simple File Transfer Protocol 116 ansanotify - ANSA REX Notify 117 uucp-path - UUCP Path Service 118 sqlserv - SQL Services 119 nntp - Network News Transfer Protocol 120 cfdptkt 121 erpc - Encore Expedited Remote Pro.Call 122 smakynet 123 ntp - Network Time Protocol 124 ansatrader - ANSA REX Trader 125 locus-map - Locus PC-Interface Net Map Ser 126 unitary - Unisys Unitary Login 127 locus-con - Locus PC-Interface Conn Server 128 gss-xlicen - GSS X License Verification 129 pwdgen - Password Generator Protocol 130 cisco-fna - cisco FNATIVE 131 cisco-tna - cisco TNATIVE 132 cisco-sys - cisco SYSMAINT 133 statsrv - Statistics Service 135 loc-srv - Location Service 136 profile - PROFILE Naming System 137 netbios-ns - NETBIOS Name Service 138 netbios-dgm - NETBIOS Datagram Service 139 netbios-ssn - NETBIOS Session Service 140 emfis-data - EMFIS Data Service 141 emfis-cntl - EMFIS Control Service 142 bl-idm - Britton-Lee IDM 143 imap2 - Interim Mail Access Protocol v2 144 news 145 uaac 146 iso-tpu 147 iso-ip 148 cronus - CRONUS-SUPPORT 149 aed-512 - AED 512 Emulation Service 150 sql-net 151 hems 152 bftp - Background File Transfer Program 153 sgmp 154 netsc-prod 155 netsc-dev 156 sqlsrv - SQL Service 157 knet-cmp - KNET/VM Command/Message Protocol 158 pcmail-srv - PCMail Server 159 nss-routing 160 sgmp-traps 161 snmp - Simple Network Managment Protocol 162 snmptrap - Simple Network Managment Protocol Trap 163 cmip-man - CMIP/TCP Manager 164 cmip-agent - CMIP/TCP Agent 165 xns-courier - Xerox 166 s-net - Sirius Systems 167 namp 168 rsvd 169 send 170 print-srv - Network PostScript 171 multiplex - Network Innovations Multiplex 172 cl/1 - Network Innocations CL/1 173 xyplex-mux - Xyplex 174 mailq 175 vmnet 176 genrad-mux 177 xdmcp - X Display Manager Control Protocol 178 nextstep - NextStep Window Server 179 bgp - Border Gateway Protocol 180 ris - Intergraph 181 unify 182 audit - Unisys Audit SITP 183 ocbinder 184 ocserver 185 remote-kis 186 kis - KIS Protocol 187 aci - Application Communication Interface 188 mumps - Plus Five's MUMPS 189 qft - Queued File Transport 190 gacp - Gateway Access Protocol 191 prospero - Prospero Directory Service 192 osu-nms - OSU Network Monitoring System 193 srmp - Spider Remote Monitoring Protocol 194 irc - Internet Relay Chat 195 dn6-nlm-aud - DNSIX Network Level Module Audit 196 dn6-nlm-red - DNSIX Session Mgt Module Audit Redir 197 dls - Directory Location Service 198 dls-mon - Directory Location Service Monitor 199 smux 200 src - IBM System Resource Controller 201 at-rtmp - AppleTalk Routing Maintenance 202 at-nbp - AppleTalk Name Binding 203 at-3 - AppleTalk Unused 204 at-echo - AppleTalk Echo 205 at-5 - AppleTalk Unused 206 at-zis - AppleTalk Zone Information 207 at-7 - AppleTalk Unused 208 at-8 - AppleTalk Unused 209 tam - Trivial Mail Authentication Protocol 210 z39.50 211 914c/g - Texas Instruments 914C/G Terminal 212 anet - ATEXSSTR 213 ipx 214 vmpwscs - VM PWSCS 215 softpc - Insignia Solutions 216 atls - Access Technology License Server 217 dbase - dBASE Unix 218 mpp - Netix Message Posting Protocol 219 uarps - Unisys ARPs 220 imap3 - Interactive Mail Access Protocol v3 221 fln-spx - Berkeley rlogind with SPX auth 222 rsh-spx - Berkeley rshd with SPX auth 223 cdc - Certificate Distribution Center 243 sur-meas - Surveet Measurement 245 link 246 dsp3270 - Display Systems Protocol 344 pdap - Prospero Data Access Protocol 345 pawserv - Perf Analysis Workbench 346 zserv - Zebra server 347 fatserv - Fatmen Server 348 csi-sgwp - Cabletron Management Protocol 371 clearcase 372 ulistserv - Unix Listserv 373 legent-1 - Legent Corporation 374 legent-2 - Legent Corporation 375 hassle 376 nip - Amiga Envoy Network Inquiry Proto 377 tnETOS - NEC Corporation 378 dsETOS - NEC Corporation 379 is99c - TIA/EIA/IS-99 modem client 380 is99s - TIA/EIA/IS-99 modem server 381 hp-collector - hp performance data collector 382 hp-managed-node - hp performance data managed node 383 hp-alarm-mgr - hp performance data alarm manager 384 arns - A Remote Network Server System 385 ibm-app - IBM Application 386 asa - ASA Message Router Object Def. 387 aurp - AppleTalk Update-Based Routing Pro. 388 unidata-ldm - Unidata LDM Version 4 389 ldap - Lightweight Directory Acess Protocol 390 uis 391 synotics-relay - SynOptics SNMP Relay Port 392 synotics-broker - SynOptics Port Broker Port 393 dis - Data Interpretation System 394 embl-ndt - EMBL Nucleic Data Transfer 395 NETscout Control Protocol 396 netware-ip - Novell Netware over IP 397 mptn - Multi Protocol Trans. Net. 398 kryptolan 400 work-sol - Worksation Solutions 401 ups - Uninteruptible Power Supply 402 genie - Genie Protocol 403 decap 404 nced 407 timbuktu 408 prm-sm - Prospero Resource Manager Sys. Man. 409 prm-nm - Prospero Resource Manager Node Man. 410 decladebug - DECLadebug Remote Debug Protcol 411 rmt - Remote MT Protocol 412 synoptics-trap - Trap Convetion Port 413 smsp 414 infoseek 415 bnet 416 silverplatter 417 onmux 418 hyper-g 419 ariel1 420 smpte 421 ariel2 422 ariel3 423 opc-job-start - IBM Operations Planning and Control Start 424 opc-job-track - IBM Operations Planning and Control Track 425 icad-el - ICAD 426 smartsdp 427 svrloc - Server Location 428 ocs_cmu 429 ocs_amu 430 utmpsd 431 utmpcd 432 iasd 433 nnsp 434 mobileip-agent 435 mobileip-mn 436 dna-cml 437 comscm 438 dsfgw 439 dasp 440 sgcp 441 decvms-sysmgt 442 cvc_hostd 443 https 444 snpp - Simple Network Paging Protocol 445 microsoft-ds 446 ddm-rdb 447 ddm-dfm 448 ddm-byte 449 as-servermap - AS Server Mapper 450 tserver 497 retrospect - Retrospect Backup software 515 printer - spooler 517 talk 518 ntalk 525 timed - timeserver 526 tempo - newdate 548 AppleShare IP Server 1080 Wingate 3000 First Class Server 5500 Hotline Server 5501 Hotline Server 8080 http