| Port | Kurz | Beschreibung |
|---|---|---|
| 539 | apertus-ldp | Apertus Technologies Load Determination |
| 540 | uucp, uucpd | |
| 541 | uucp-rlogin | |
| 542 | commerce | |
| 543 | klogin | Kerberos (v4/v5) |
| 544 | kshell, krcmd | Kerberos (v4/v5) |
| 545 | appleqtcsrvr | |
| 546 | dhcpv6-client | DHCPv6 Client |
| 547 | dhcpv6-server | DHCPv6 Server |
| 548 | afpovertcp | AFP over TCP |
| 549 | idfp | |
| 550 | new-rwho, new-who | |
| 551 | cybercash | |
| 552 | deviceshare | |
| 553 | pirp | |
| 554 | rtsp | Real Time Stream Control Protocol |
| 555 | dsf | |
| 556 | remotefs, rfs rfs_server | Brunhoff remote filesystem |
| 557 | openvms-sysipc | |
| 558 | sdnskmp | |
| 559 | teedtap | |
| 560 | rmonitor, rmonitord | |
| 561 | monitor | |
| 562 | chshell, chcmd | |
| 563 | nntps, snntp | nntp protocol over TLS/SSL |
| 564 | 9pfs | plan 9 file service |
| 565 | whoami | |
| 566 (tcp) | streettalk | |
| 567 | banyan-rpc | |
| 568 | ms-shuttle | Microsoft shuttle |
| 569 | ms-rome | Microsoft rome |
| 570 | meter | demon |
| 571 | umeter | udemon |
| 572 | sonar | |
| 573 | banyan-vip | |
| 574 | ftp-agent | FTP Software Agent System |
| 575 | vemmi | |
| 576 | ipcd | |
| 577 | vnas | |
| 578 | ipdd | |
| 579 | decbsrv | |
| 580 | sntp-heartbeat | |
| 581 | bdp | Bundle Discovery Protocol |
| 582 | scc-security | |
| 583 | philips-vc | Philips Video-Conferencing |
| 584 | keyserver | |
| 585 | imap4-ssl | IMAP4+SSL (use of 585 is not recommended, |
| 586 | password-chg | |
| 587 | submission | |
| 588 | cal | |
| 589 | eyelink | |
| 590 | tns-cml | |
| 591 | http-alt | FileMaker, Inc. - HTTP Alternate (see Port 80) |
| 592 | eudora-set | |
| 593 | http-rpc-epmap | HTTP RPC Ep Map |
| 594 | tpip | |
| 595 | cab-protocol | |
| 596 | smsd | |
| 597 | ptcnameservice | PTC Name Service |
| 598 | sco-websrvrmg3 | SCO Web Server Manager 3 |
| 599 | acp | Aeolon Core Protocol |
| 600 | ipcserver | Sun IPC server |
| 606 | urm | Cray Unified Resource Manager |
| 607 | nqs | |
| 608 | sift-uft | Sender-Initiated/Unsolicited File Transfer |
| 609 | npmp-trap | |
| 610 | npmp-local | |
| 611 | npmp-gui | |
| 614 | sshell | SSLshell |
| 634 | ginad | |
| 636 | ldaps, sldap | ldap protocol over TLS/SSL |
| 666 | doom | doom Id Software |
| 666 | mdqs | |
| 674 | acap | Application Configuration Access Protocol |
| 704 | elcsd | errlog copy/server daemon |
| 709 | entrustmanager | EntrustManager |
| 729 | netviewdm1 | IBM NetView DM/6000 Server/Client |
| 730 | netviewdm2 | IBM NetView DM/6000 send/tcp |
| 731 | netviewdm3 | IBM NetView DM/6000 receive/tcp |
| 741 | netgw | |
| 742 | netrcs | Network based Rev. Cont. Sys. |
| 744 | flexlm | Flexible License Manager |
| 747 | fujitsu-dev | Fujitsu Device Control |
| 748 | ris-cm | Russell Info Sci Calendar Manager |
| 749 | kerberos-adm | Kerberos administration (v5) |
| 750 | kerberos-iv, kdc | Kerberos (v4) |
| 751 | kerberos_master | Kerberos `kadmin' (v4) |
| 751 | pump | |
| 752 | qrh | |
| 753 | rrh | |
| 754 | tell | send |
| 758 | nlogin | |
| 759 | con | |
| 760 | ns | |
| 761 | rxe | |
| 762 | quotad | |
| 763 | cycleserv | |
| 764 | omserv | |
| 765 | webster | |
| 767 | phonebook | phone |
| 769 | vid | |
| 770 | cadlock | |
| 771 | rtip | |
| 772 | cycleserv2 | |
| 773 (tcp) | submit | |
| 773 (udp) | notify | |
| 774 (tcp) | rpasswd | |
| 774 (udp) | acmaint_dbd | |
| 775 (tcp) | entomb | |
| 775 (udp) | acmaint_transd | |
| 776 | wpages | |
| 780 | wpgs | |
| 786 | concert | |
| 800 | mdbs_daemon | |
| 801 | device | |
| 871 (tcp) | supfilesrv | for SUP |
| 873 | rsync | |
| 888 | accessbuilder | |
| 901 (tcp) | swat | samba web configuration tool |
| 989 | ftps-data | ftp protocol, data, over TLS/SSL |
| 990 | ftps | ftp protocol, control, over TLS/SSL |
| 992 | telnets | telnet protocol over TLS/SSL |
| 993 | imaps | imap4 protocol over TLS/SSL |
| 994 | ircs | irc protocol over TLS/SSL |
| 995 | pop3s, spop3 | pop3 protocol over TLS/SSL |
| 996 | vsinet | |
| 997 | maitrd | |
| 998 (tcp) | busboy | |
| 998 (udp) | puparp | |
| 999 | puprouter | |
| 1000 (tcp) | cadlock | |
| 1000 (udp) | ock | |
| 1025 | blackjack | network blackjack |
| 1030 | iad1 | BBN IAD |
| 1031 | iad2 | BBN IAD |
| 1032 | iad3 | BBN IAD |
| 1058 | nim | |
| 1059 | nimreg | |
| 1067 | instl_boots | Installation Bootstrap Proto. Serv. |
| 1068 | instl_bootc | Installation Bootstrap Proto. Cli. |
| 1080 | socks | |
| 1083 | ansoft-lm-1 | Anasoft License Manager |
| 1084 | ansoft-lm-2 | Anasoft License Manager |
| 1109 | kpop | Unofficial |
| 1110 (tcp) | nfsd-status | Cluster status info |
| 1110 (udp) | nfsd-keepalive | Client status info |
| 1127 (tcp) | supfiledbg | for SUP |
| 1155 | nfa | Network File Access |
| 1167 (udp) | phone | conference calling |
| 1178 (tcp) | skkserv | SKK (kanji input) |