| Service Name | Port | Protocol | Alias | Comments |
| tcpmux | 1 | tcp | TCP port service multiplexor | |
| rtmp | 1 | ddp | Routing table maintenance | |
| nbp | 2 | ddp | Name binding protocol | |
| echo | 4 | ddp | ||
| zip | 6 | ddp | Zone information protocol | |
| echo | 7 | tcp udp | ||
| discard | 9 | tcp udp | sink null | |
| systat | 11 | tcp | users | |
| daytime | 13 | tcp udp | ||
| netstat | 15 | tcp | ||
| qotd | 17 | tcp udp | quote | |
| msp | 18 | tcp udp | Message send protocol | |
| chargen | 19 | tcp udp | ttytst source | |
| ftp-data | 20 | tcp | ||
| ftp | 21 | tcp | ||
| sshd | 22 | tcp | Secure Shell | |
| telnet | 23 | tcp | ||
| smtp | 25 | tcp | ||
| time | 37 | tcp udp | timeserver | |
| rlp | 39 | udp | resource | Resource Location |
| name | 42 | tcp udp | nameserver | |
| whois | 43 | tcp | nicname | Generally sri-nic |
| re-mail-ck | 50 | tcp udp | Remote mail checking protocol | |
| nameserver | 53 | tcp udp | domain | DNS |
| mtp | 57 | tcp | Deprecated | |
| bootps | 67 | tcp udp | Boot program server | |
| bootpc | 68 | tcp udp | Boot program client | |
| tftp | 69 | udp | Trivial file transfer protocol | |
| gopher | 70 | tcp udp | ||
| rje | 77 | tcp | netrjs | |
| finger | 79 | tcp | ||
| http | 80 | tcp udp | ||
| link | 87 | tcp | ttylink | |
| kerberos | 88 | tcp udp | ||
| supdup | 95 | tcp | ||
| hostnames | 101 | tcp | hostname | Generally from sri-nic |
| iso-tasp | 102 | tcp | ||
| dictionary | 103 | tcp | webster | |
| x400 | 103 | tcp | ISO Mail | |
| x400-snd | 104 | tcp | ||
| csnet-ns | 105 | tcp | ||
| 3com-tsmux | 106 | tcp udp | ||
| rtelnet | 107 | tcp udp | ||
| pop | 109 | tcp udp | postoffice | |
| pop3 | 110 | tcp udp | postoffice | |
| portmap | 111 | tcp udp | ||
| sunrpc | 111 | tcp udp | ||
| auth | 113 | tcp | authentication | |
| sftp | 115 | tcp | ||
| path | 117 | tcp | ||
| uucp-path | 117 | tcp | ||
| nntp | 119 | tcp | usenet | Network News Transfer Protocol |
| ntp | 123 | tcp udp | ntpd ntp | Network Time Protocol |
| nbname | 137 | tcp udp | ||
| nbdatagram | 138 | tcp udp | ||
| nbsession | 139 | tcp udp | ||
| imap2 | 143 | tcp udp | ||
| news | 144 | tcp | ||
| sgmp | 153 | udpsgmp | ||
| tcprepo | 158 | tcp | repository | PCMAIL |
| snmp | 161 | udp | snmp | |
| snmp-trap | 162 | udp | snmp | |
| cmip-man | 163 | tcp udp | ISO mgmt over IP | |
| cmip-agent | 164 | tcp udp | ||
| print-srv | 170 | tcp | Network PostScript | |
| mailq | 174 | tcp udp | Zmailer mail queue | |
| vmnet | 175 | tcp | ||
| xdmcp | 177 | tcp udp | X11 display manager control protocol | |
| nextstep | 178 | tcp udp | NeXTStep window server | |
| bgp | 179 | tcp udp | Border gateway protocol | |
| propero | 191 | tcp udp | ||
| irc | 194 | tcp udp | ||
| smux | 199 | tcp udp | SNMP unix multiplexer | |
| at-rtmp | 201 | tcp udp | Appletalk routing | |
| at-nbp | 202 | tcp udp | Appletalk name binding | |
| at-echo | 204 | tcp udp | Appletalk echo | |
| at-zis | 206 | tcp udp | Appletalk zone information | |
| qmtp | 209 | tcp udp | Quick mail transfer protocol | |
| z3950 | 210 | tcp udp | wais | NISO Z39.50 database |
| ipx | 213 | tcp udp | IPX | |
| imap3 | 220 | tcp udp | Interactive mail access | |
| load | 315 | udp | ||
| rpc2portmap | 369 | tcp udp | Coda portmapper | |
| codaauth2 | 370 | tcp udp | Coda authentication server | |
| ulistserver | 372 | tcp udp | Listserver | |
| vmnet0 | 400 | tcp | ||
| https | 443 | tcp udp | SSL | |
| snpp | 444 | tcp udp | Simple network paging protocol | |
| ssmtp | tcp | SMTP over SSL | ||
| saft | 487 | tcp udp | Simple asynchronouse file xfer prot | |
| sytek | 500 | udp | ||
| exec | 512 | tcp | ||
| biff | 512 | udp | comsat | |
| login | 513 | tcp | ||
| who | 513 | udp | whod | |
| shell | 514 | tcp | cmd | No Password Used |
| syslog | 514 | udp | ||
| printer | 515 | tcp | spooler | Printer Spooler |
| talk | 517 | udp | ||
| ntalk | 518 | udp | ||
| efs | 520 | tcp | For LucasFilm | |
| route | 520 | udp | router routed | |
| timed | 525 | udp | timeserver | |
| tempo | 526 | tcp | newdate | |
| courier | 530 | tcp | rpc | |
| conference | 531 | tcpchat | ||
| rvd-control | 531 | udp | MIT disk | |
| netnews | 532 | tcp | readnews | |
| netwall | 533 | udp | Emergency Broadcasts | |
| gdomap | 538 | tcp udp | GNUstep distributed objects | |
| uucp | 540 | tcp | uucpd | |
| klogin | 543 | tcp | Kerberos Authenticated rlogin | |
| kshell | 544 | tcp | cmd | And Remote Shell |
| afpovertcp | 548 | tcp udp | AFP over TCP | |
| new-rwho | 550 | udp | new-who | Experimental |
| remotefs | 556 | tcp | rfs_server rfs | Brunhoff Remote Filesystem |
| rmonitor | 560 | udp | rmonitord | Experimental |
| monitor | 561 | udp | Experimental | |
| snews | 563 | tcp udp | NNTP over SSL | |
| garcon | 600 | tcp | ||
| maitrd | 601 | tcp | ||
| busboy | 602 | tcp | ||
| npmp-local | 610 | tcp udp | dqs313_qmaster | npmp-local |
| npmp-gui | 611 | tcp udp | dqs313_execd | npmp-gui |
| hmmp-ind | 612 | tcp udp | dqs313_intercell | HMMP indication |
| ssl-ldap | 636 | tcp udp | LDAP over SSL | |
| acctmaster | 700 | udp | ||
| acctslave | 701 | udp | ||
| acct | 702 | udp | ||
| acctlogin | 703 | udp | ||
| acctprinter | 704 | udp | ||
| elcsd | 704 | udp | Error Log | |
| acctinfo | 705 | udp | ||
| acctslave2 | 706 | udp | ||
| acctdisk | 707 | udp | ||
| kerberos-adm | 749 | tcp | Kerberos kadmin | |
| kerberos | 750 | tcp udp | kdc | Kerberos Authentication |
| kerberos_master | 751 | tcp udp | Kerberos Authentication | |
| passwd_server | 752 | udp | Kerberos Password Server | |
| userreg_server | 753 | udp | Kerberos userreg Server | |
| krb_prop | 754 | tcp | Kerberos Slave Propagation | |
| krbupdate | 760 | tcp | Kerberos registration | |
| kpasswd | 761 | tcp | Kerberos passwd | |
| webster | 765 | tcp udp | Network dictionary | |
| omirr | 808 | tcp udp | omirrd | Online mirror |
| supfilesrv | 871 | tcp | SUP server | |
| rsync | 873 | tcp udp | ||
| erlogin | 888 | tcp | Login and Environment Passing | |
| simap | 993 | tcp | IMAP over SSL | |
| spop3 | 995 | tcp udp | POP-3 over SSL | |
| socks | 1080 | tcp udp | SOCKS proxy server | |
| kpop | 1109 | tcp | Pop with Kerberos | |
| supfiledbg | tcp udp | SUP debugging | ||
| phone | 1167 | udp | ||
| rmtcfg | 1236 | tcp | ||
| xtel | 1313 | tcp | ||
| ingreslock | 1524 | tcp | ||
| prospero-np | 1525 | tcp udp | ||
| support | 1529 | tcp udp | GNATS | |
| datametrics | 1645 | tcp udp | ||
| sa-msg-port | 1646 | tcp udp | ||
| maze | 1666 | udp | ||
| radius | 1812 | tcp udp | ||
| radacct | 1813 | tcp udp | ||
| cfinger | 2003 | tcp | ||
| nfs | 2049 | udp | SUN NFS | |
| knetd | 2053 | tcp | Kerberos De-multiplexor | |
| zephyr-srv | 2102 | tcp udp | ||
| zephyr-clt | 2103 | tcp udp | ||
| zephyr-hm | 2104 | tcp udp | ||
| eklogin | 2105 | tcp | Kerberos Encrypted rlogin | |
| ninstall | 2150 | tcp udp | ||
| cvspserver | 2401 | tcp udp | CVS | |
| venus | 2430 | tcp udp | Codacon | |
| venus-se | 2431 | tcp udp | Callback/wbc interface | |
| codasrv | 2432 | tcp udp | Coda server | |
| codasrv-e | 2433 | tcp udp | Code side effects | |
| afbackup | 2988 | tcp udp | ||
| icp | 3130 | tcp udp | Internet cache protocol | |
| mysql | 3306 | tcp udp | MySQL | |
| fax | 4557 | tcp | ||
| hylafax | 4559 | tcp udp | ||
| rfe | 5002 | tcp udp | Radio free ethernet | |
| cfengine | 5308 | tcp udp | ||
| noclog | 5354 | tcp udp | ||
| hostmon | 5355 | tcp udp | ||
| postgres | 5432 | tcp udp | ||
| rmt | 5555 | tcp | rmtd | |
| mtb | 5556 | tcp | mtbd | mtb Backup |
| irc | 6667 | tcp | Internet Relay Chat | |
| bbs | 7000 | tcp | ||
| webcache | 8080 | tcp udp | ||
| tproxy | 8081 | tcp udp | Transparent proxy | |
| mandelspawn | 9359 | tcp udp | Network mandelbrot | |
| man | 9535 | tcp | Remote man server | |
| w | 9536 | tcp | ||
| mantst | 9537 | tcp | Remote man server (testing) | |
| bnews | 10000 | tcp | ||
| rscs0 | 10000 | udp | ||
| queue | 10001 | tcp | ||
| rscs1 | 10001 | udp | ||
| poker | 10002 | tcp | ||
| rscs2 | 10002 | udp | ||
| gateway | 10003 | tcp | ||
| rscs3 | 10003 | udp | ||
| remp | 10004 | tcp | ||
| rscs4 | 10004 | udp | ||
| rscs5 | 10005 | udp | ||
| rscs6 | 10006 | udp | ||
| rscs7 | 10007 | udp | ||
| rscs8 | 10008 | udp | ||
| rscs9 | 10009 | udp | ||
| rscsa | 10010 | udp | ||
| rscsb | 10011 | udp | ||
| qmaster | 10012 | tcp udp | ||
| amanda | 10080 | tcp | ||
| kamanda | 10081 | tcp udp | ||
| amandaidx | 10082 | tcp | ||
| isdnlog | 20011 | tcp udp | ||
| vboxd | 20012 | tcp udp | ||
| binkp | 24554 | tcp udp | ||
| asp | 27374 | tcp udp | Address search protocol | |
| tfido | 60177 | tcp udp | Ifmail | |
| fido | 60179 | tcp udp | Ifmail | |