| Port | Kurz | Beschreibung |
|---|---|---|
| 1 | tcpmux | TCP Port Service Multiplexer |
| 1 (ddp) | rtmp | Routing Table Maintenance Protocol |
| 2 | compressnet | Management Utility |
| 2 (ddp) | nbp | Name Binding Protocol |
| 3 | compressnet | Compression Process |
| 4 (ddp) | echo | AppleTalk Echo Protocol |
| 5 | rje | Remote Job Entry |
| 6 (ddp) | zip | Zone Information Protocol |
| 7 | echo | |
| 9 | discard, sink null | |
| 11 | systat, users | Active Users |
| 13 | daytime | |
| 17 | qotd, quote | Quote of the Day |
| 18 | msp | Message Send Protocol |
| 19 | chargen, ttytst source | Character Generator |
| 20 | ftp-data | File Transfer [Default Data] |
| 21 | ftp | File Transfer [Control] |
| 22 | ssh | Secure Shell Login |
| 23 | telnet | |
| 24 | #, any private mail system | |
| 25 | smtp, mail | Simple Mail Transfer |
| 27 | nsw-fe | NSW User System FE |
| 29 | msg-icp | MSG ICP |
| 31 | msg-auth | MSG Authentication |
| 33 | dsp | Display Support Protocol |
| 35 | #, any private printer server | |
| 37 | time, timserver | |
| 38 | rap | Route Access Protocol |
| 39 | rlp, resource | Resource Location Protocol |
| 41 | graphics | |
| 42 | nameserver, name | Host Name Server |
| 43 | nicname, whois | |
| 44 | mpm-flags | MPM FLAGS Protocol |
| 45 | mpm | Message Processing Module [recv] |
| 46 | mpm-snd | MPM [default send] |
| 47 | ni-ftp | NI FTP |
| 48 | auditd | Digital Audit Daemon |
| 49 | tacacs | Login Host Protocol (TACACS) |
| 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 | NI MAIL |
| 62 | acas | ACA Services |
| 63 | whois++ | |
| 64 | covia | Communications Integrator (CI) |
| 65 | tacacs-ds | TACACS-Database Service |
| 66 | sql*net | Oracle SQL*NET |
| 67 | bootps, dhcps | Bootstrap Protocol Server |
| 68 | bootpc, dhcpc | 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 | http, www www-http | World Wide Web HTTP |
| 81 | hosts2-ns | HOSTS2 Name Server |
| 82 | xfer | XFER Utility |
| 83 | mit-ml-dev | MIT ML Device |
| 84 | ctf | Common Trace Facility |
| 85 | mit-ml-dev | MIT ML Device |
| 86 | mfcobol | Micro Focus Cobol |
| 87 | #, any private terminal link | |
| 88 | kerberos-sec, kerberos | krb5 |
| 89 | su-mit-tg | SU/MIT Telnet Gateway |
| 90 | dnsix | DNSIX Securit 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 Virtural File Protocol |
| 98 | tacnews | TAC News, Unofficial: Red Hat linuxconf |
| 99 | metagram | Metagram Relay |
| 100 (tcp) | newacct | [unauthorized use] |
| 101 | hostname, hostnames | NIC Host Name Server |
| 102 | iso-tsap, tsap | ISO-TSAP Class 0 |
| 103 | gppitnp | Genesis Point-to-Point Trans Net |
| 104 | acr-nema | ACR-NEMA Digital Imag. & Comm. 300 |
| 105 | csnet-ns, cso-ns cso | Mailbox Name Nameserver |
| 106 (tcp) | pop3pw, 3com-tsmux | Eudora compatible PW changer |
| 106 (udp) | 3com-tsmux | |
| 107 | rtelnet | Remote Telnet Service |
| 108 | snagas | SNA Gateway Access Server |
| 109 | pop2, postoffice | Post Office Protocol - Version 2 |
| 110 | pop3 | Post Office Protocol - Version 3 |
| 111 | sunrpc, rpcbind | SUN Remote Procedure Call |
| 112 | mcidas | McIDAS Data Transmission Protocol |
| 113 | auth, ident tap | 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, usenet | 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 |
| 134 | ingres-net | INGRES-NET Service |
| 135 | loc-srv, epmap | 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 | imap, imap2 imap4 | Interim Mail Access Protocol v2 |
| 144 | #uma | Universal Management Architecture |
| 144 | NeWS | Window System |
| 145 | uaac | UAAC Protocol |
| 146 | iso-tp0 | |
| 147 | iso-ip | |
| 148 | cronus, jargon | 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 |