| IANA Keyword | Port | Type | IANA Desciption |
| 0 | tcp | Reserved |
| 0 | udp | Reserved |
| tcpmux | 1 | tcp | TCP Port Service Multiplexer |
| tcpmux | 1 | udp | TCP Port Service Multiplexer |
| compressnet | 2 | tcp | Management Utility |
| compressnet | 2 | udp | Management Utility |
| compressnet | 3 | tcp | Compression Process |
| compressnet | 3 | udp | Compression Process |
| rje | 5 | tcp | Remote Job Entry |
| rje | 5 | udp | Remote Job Entry |
| echo | 7 | tcp | Echo |
| echo | 7 | udp | Echo |
| discard | 9 | tcp | Discard |
| discard | 9 | udp | Discard |
| systat | 11 | tcp | Active Users |
| systat | 11 | udp | Active Users |
| daytime | 13 | tcp | Daytime (RFC 867) |
| daytime | 13 | udp | Daytime (RFC 867) |
| qotd | 17 | tcp | Quote of the Day |
| qotd | 17 | udp | Quote of the Day |
| msp | 18 | tcp | Message Send Protocol |
| msp | 18 | udp | Message Send Protocol |
| chargen | 19 | tcp | Character Generator |
| chargen | 19 | udp | Character Generator |
| ftp-data | 20 | tcp | File Transfer [Default Data] |
| ftp-data | 20 | udp | File Transfer [Default Data] |
| ftp | 21 | tcp | File Transfer [Control] |
| ftp | 21 | udp | File Transfer [Control] |
| ssh | 22 | tcp | SSH Remote Login Protocol |
| ssh | 22 | udp | SSH Remote Login Protocol |
| telnet | 23 | tcp | Telnet |
| telnet | 23 | udp | Telnet |
| 24 | tcp | any private mail system |
| 24 | udp | any private mail system |
| smtp | 25 | tcp | Simple Mail Transfer |
| smtp | 25 | udp | Simple Mail Transfer |
| nsw-fe | 27 | tcp | NSW User System FE |
| nsw-fe | 27 | udp | NSW User System FE |
| msg-icp | 29 | tcp | MSG ICP |
| msg-icp | 29 | udp | MSG ICP |
| msg-auth | 31 | tcp | MSG Authentication |
| msg-auth | 31 | udp | MSG Authentication |
| dsp | 33 | tcp | Display Support Protocol |
| dsp | 33 | udp | Display Support Protocol |
| 35 | tcp | any private printer server |
| 35 | udp | any private printer server |
| time | 37 | tcp | Time |
| time | 37 | udp | Time |
| rap | 38 | tcp | Route Access Protocol |
| rap | 38 | udp | Route Access Protocol |
| rlp | 39 | tcp | Resource Location Protocol |
| rlp | 39 | udp | Resource Location Protocol |
| graphics | 41 | tcp | Graphics |
| graphics | 41 | udp | Graphics |
| name | 42 | tcp | Host Name Server |
| name | 42 | udp | Host Name Server |
| nameserver | 42 | tcp | Host Name Server |
| nameserver | 42 | udp | Host Name Server |
| nicname | 43 | tcp | Who Is |
| nicname | 43 | udp | Who Is |
| mpm-flags | 44 | tcp | MPM FLAGS Protocol |
| mpm-flags | 44 | udp | MPM FLAGS Protocol |
| mpm | 45 | tcp | Message Processing Module [recv] |
| mpm | 45 | udp | Message Processing Module [recv] |
| mpm-snd | 46 | tcp | MPM [default send] |
| mpm-snd | 46 | udp | MPM [default send] |
| ni-ftp | 47 | tcp | NI FTP |
| ni-ftp | 47 | udp | NI FTP |
| auditd | 48 | tcp | Digital Audit Daemon |
| auditd | 48 | udp | Digital Audit Daemon |
| tacacs | 49 | tcp | Login Host Protocol (TACACS) |
| tacacs | 49 | udp | Login Host Protocol (TACACS) |
| re-mail-ck | 50 | tcp | Remote Mail Checking Protocol |
| re-mail-ck | 50 | udp | Remote Mail Checking Protocol |
| la-maint | 51 | tcp | IMP Logical Address Maintenance |
| la-maint | 51 | udp | IMP Logical Address Maintenance |
| xns-time | 52 | tcp | XNS Time Protocol |
| xns-time | 52 | udp | XNS Time Protocol |
| domain | 53 | tcp | Domain Name Server |
| domain | 53 | udp | Domain Name Server |
| xns-ch | 54 | tcp | XNS Clearinghouse |
| xns-ch | 54 | udp | XNS Clearinghouse |
| isi-gl | 55 | tcp | ISI Graphics Language |
| isi-gl | 55 | udp | ISI Graphics Language |
| xns-auth | 56 | tcp | XNS Authentication |
| xns-auth | 56 | udp | XNS Authentication |
| 57 | tcp | any private terminal access |
| 57 | udp | any private terminal access |
| xns-mail | 58 | tcp | XNS Mail |
| xns-mail | 58 | udp | XNS Mail |
| 59 | tcp | any private file service |
| 59 | udp | any private file service |
| 60 | tcp | Unassigned |
| 60 | udp | Unassigned |
| ni-mail | 61 | tcp | NI MAIL |
| ni-mail | 61 | udp | NI MAIL |
| acas | 62 | tcp | ACA Services |
| acas | 62 | udp | ACA Services |
| whois++ | 63 | tcp | whois++ |
| whois++ | 63 | udp | whois++ |
| covia | 64 | tcp | Communications Integrator (CI) |
| covia | 64 | udp | Communications Integrator (CI) |
| tacacs-ds | 65 | tcp | TACACS-Database Service |
| tacacs-ds | 65 | udp | TACACS-Database Service |
| sql*net | 66 | tcp | Oracle SQL*NET |
| sql*net | 66 | udp | Oracle SQL*NET |
| bootps | 67 | tcp | Bootstrap Protocol Server |
| bootps | 67 | udp | Bootstrap Protocol Server |
| bootpc | 68 | tcp | Bootstrap Protocol Client |
| bootpc | 68 | udp | Bootstrap Protocol Client |
| tftp | 69 | tcp | Trivial File Transfer |
| tftp | 69 | udp | Trivial File Transfer |
| gopher | 70 | tcp | Gopher |
| gopher | 70 | udp | Gopher |
| netrjs-1 | 71 | tcp | Remote Job Service |
| netrjs-1 | 71 | udp | Remote Job Service |
| netrjs-2 | 72 | tcp | Remote Job Service |
| netrjs-2 | 72 | udp | Remote Job Service |
| netrjs-3 | 73 | tcp | Remote Job Service |
| netrjs-3 | 73 | udp | Remote Job Service |
| netrjs-4 | 74 | tcp | Remote Job Service |
| netrjs-4 | 74 | udp | Remote Job Service |
| 75 | tcp | any private dial out service |
| 75 | udp | any private dial out service |
| deos | 76 | tcp | Distributed External Object Store |
| deos | 76 | udp | Distributed External Object Store |
| 77 | tcp | any private RJE service |
| 77 | udp | any private RJE service |
| vettcp | 78 | tcp | vettcp |
| vettcp | 78 | udp | vettcp |
| finger | 79 | tcp | Finger |
| finger | 79 | udp | Finger |
| http | 80 | tcp | World Wide Web HTTP |
| http | 80 | udp | World Wide Web HTTP |
| www | 80 | tcp | World Wide Web HTTP |
| www | 80 | udp | World Wide Web HTTP |
| www-http | 80 | tcp | World Wide Web HTTP |
| www-http | 80 | udp | World Wide Web HTTP |
| hosts2-ns | 81 | tcp | HOSTS2 Name Server |
| hosts2-ns | 81 | udp | HOSTS2 Name Server |
| xfer | 82 | tcp | XFER Utility |
| xfer | 82 | udp | XFER Utility |
| mit-ml-dev | 83 | tcp | MIT ML Device |
| mit-ml-dev | 83 | udp | MIT ML Device |
| ctf | 84 | tcp | Common Trace Facility |
| ctf | 84 | udp | Common Trace Facility |
| mit-ml-dev | 85 | tcp | MIT ML Device |
| mit-ml-dev | 85 | udp | MIT ML Device |
| mfcobol | 86 | tcp | Micro Focus Cobol |
| mfcobol | 86 | udp | Micro Focus Cobol |
| 87 | tcp | any private terminal link |
| 87 | udp | any private terminal link |
| kerberos | 88 | tcp | Kerberos |
| kerberos | 88 | udp | Kerberos |
| su-mit-tg | 89 | tcp | SU/MIT Telnet Gateway |
| su-mit-tg | 89 | udp | SU/MIT Telnet Gateway |
| dnsix | 90 | tcp | DNSIX Securit Attribute Token Map |
| dnsix | 90 | udp | DNSIX Securit Attribute Token Map |
| mit-dov | 91 | tcp | MIT Dover Spooler |
| mit-dov | 91 | udp | MIT Dover Spooler |
| npp | 92 | tcp | Network Printing Protocol |
| npp | 92 | udp | Network Printing Protocol |
| dcp | 93 | tcp | Device Control Protocol |
| dcp | 93 | udp | Device Control Protocol |
| objcall | 94 | tcp | Tivoli Object Dispatcher |
| objcall | 94 | udp | Tivoli Object Dispatcher |
| supdup | 95 | tcp | SUPDUP |
| supdup | 95 | udp | SUPDUP |
| dixie | 96 | tcp | DIXIE Protocol Specification |
| dixie | 96 | udp | DIXIE Protocol Specification |
| swift-rvf | 97 | tcp | Swift Remote Virtural File Protocol |
| swift-rvf | 97 | udp | Swift Remote Virtural File Protocol |
| tacnews | 98 | tcp | TAC News |
| tacnews | 98 | udp | TAC News |
| metagram | 99 | tcp | Metagram Relay |
| metagram | 99 | udp | Metagram Relay |
| newacct | 100 | tcp | [unauthorized use] |
| hostname | 101 | tcp | NIC Host Name Server |
| hostname | 101 | udp | NIC Host Name Server |
| iso-tsap | 102 | tcp | ISO-TSAP Class 0, MTA-X.400 over TCP/IP |
| iso-tsap | 102 | udp | ISO-TSAP Class 0 |
| gppitnp | 103 | udp | Genesis Point-to-Point Trans Net |
| gppitnp | 103 | tcp | Genesis Point-to-Point Trans Net |
| acr-nema | 104 | tcp | ACR-NEMA Digital Imag. & Comm. 300 |
| acr-nema | 104 | udp | ACR-NEMA Digital Imag. & Comm. 300 |
| csnet-ns | 105 | tcp | Mailbox Name Nameserver |
| csnet-ns | 105 | udp | Mailbox Name Nameserver |
| cso | 105 | tcp | CCSO name server protocol |
| cso | 105 | udp | CCSO name server protocol |
| 3com-tsmux | 106 | tcp | 3COM-TSMUX |
| 3com-tsmux | 106 | udp | 3COM-TSMUX |
| rtelnet | 107 | tcp | Remote Telnet Service |
| rtelnet | 107 | udp | Remote Telnet Service |
| snagas | 108 | tcp | SNA Gateway Access Server |
| snagas | 108 | udp | SNA Gateway Access Server |
| pop2 | 109 | tcp | Post Office Protocol - Version 2 |
| pop2 | 109 | udp | Post Office Protocol - Version 2 |
| pop3 | 110 | tcp | Post Office Protocol - Version 3 |
| pop3 | 110 | udp | Post Office Protocol - Version 3 |
| sunrpc | 111 | tcp | SUN Remote Procedure Call |
| sunrpc | 111 | udp | SUN Remote Procedure Call |
| mcidas | 112 | tcp | McIDAS Data Transmission Protocol |
| mcidas | 112 | udp | McIDAS Data Transmission Protocol |
| auth | 113 | tcp | Authentication Service |
| auth | 113 | udp | Authentication Service |
| ident | 113 | tcp | |
| audionews | 114 | tcp | Audio News Multicast |
| audionews | 114 | udp | Audio News Multicast |
| sftp | 115 | tcp | Simple File Transfer Protocol |
| sftp | 115 | udp | Simple File Transfer Protocol |
| ansanotify | 116 | tcp | ANSA REX Notify |
| ansanotify | 116 | udp | ANSA REX Notify |
| uucp-path | 117 | tcp | UUCP Path Service |
| uucp-path | 117 | udp | UUCP Path Service |
| sqlserv | 118 | tcp | SQL Services |
| sqlserv | 118 | udp | SQL Services |
| nntp | 119 | tcp | Network News Transfer Protocol |
| nntp | 119 | udp | Network News Transfer Protocol |
| cfdptkt | 120 | tcp | CFDPTKT |
| cfdptkt | 120 | udp | CFDPTKT |
| erpc | 121 | tcp | Encore Expedited Remote Pro.Call |
| erpc | 121 | udp | Encore Expedited Remote Pro.Call |
| smakynet | 122 | tcp | SMAKYNET |
| smakynet | 122 | udp | SMAKYNET |
| ntp | 123 | tcp | Network Time Protocol |
| ntp | 123 | udp | Network Time Protocol |
| ansatrader | 124 | tcp | ANSA REX Trader |
| ansatrader | 124 | udp | ANSA REX Trader |
| locus-map | 125 | tcp | Locus PC-Interface Net Map Ser |
| locus-map | 125 | udp | Locus PC-Interface Net Map Ser |
| nxedit | 126 | tcp | NXEdit |
| nxedit | 126 | udp | NXEdit |
| locus-con | 127 | tcp | Locus PC-Interface Conn Server |
| locus-con | 127 | udp | Locus PC-Interface Conn Server |
| gss-xlicen | 128 | tcp | GSS X License Verification |
| gss-xlicen | 128 | udp | GSS X License Verification |
| pwdgen | 129 | tcp | Password Generator Protocol |
| pwdgen | 129 | udp | Password Generator Protocol |
| cisco-fna | 130 | tcp | cisco FNATIVE |
| cisco-fna | 130 | udp | cisco FNATIVE |
| cisco-tna | 131 | tcp | cisco TNATIVE |
| cisco-tna | 131 | udp | cisco TNATIVE |
| cisco-sys | 132 | tcp | cisco SYSMAINT |
| cisco-sys | 132 | udp | cisco SYSMAINT |
| statsrv | 133 | tcp | Statistics Service |
| statsrv | 133 | udp | Statistics Service |
| ingres-net | 134 | tcp | INGRES-NET Service |
| ingres-net | 134 | udp | INGRES-NET Service |
| epmap | 135 | tcp | DCE endpoint resolution |
| epmap | 135 | udp | DCE endpoint resolution |
| profile | 136 | tcp | PROFILE Naming System |
| profile | 136 | udp | PROFILE Naming System |
| netbios-ns | 137 | tcp | NETBIOS Name Service |
| netbios-ns | 137 | udp | NETBIOS Name Service |
| netbios-dgm | 138 | tcp | NETBIOS Datagram Service |
| netbios-dgm | 138 | udp | NETBIOS Datagram Service |
| netbios-ssn | 139 | tcp | NETBIOS Session Service |
| netbios-ssn | 139 | udp | NETBIOS Session Service |
| emfis-data | 140 | tcp | EMFIS Data Service |
| emfis-data | 140 | udp | EMFIS Data Service |
| emfis-cntl | 141 | tcp | EMFIS Control Service |
| emfis-cntl | 141 | udp | EMFIS Control Service |
| bl-idm | 142 | tcp | Britton-Lee IDM |
| bl-idm | 142 | udp | Britton-Lee IDM |
| imap | 143 | tcp | Internet Message Access Protocol |
| imap | 143 | udp | Internet Message Access Protocol |
| uma | 144 | tcp | Universal Management Architecture |
| uma | 144 | udp | Universal Management Architecture |
| uaac | 145 | tcp | UAAC Protocol |
| uaac | 145 | udp | UAAC Protocol |
| iso-tp0 | 146 | tcp | ISO-IP0 |
| iso-tp0 | 146 | udp | ISO-IP0 |
| iso-ip | 147 | tcp | ISO-IP |
| iso-ip | 147 | udp | ISO-IP |
| jargon | 148 | tcp | Jargon |
| jargon | 148 | udp | Jargon |
| aed-512 | 149 | tcp | AED 512 Emulation Service |
| aed-512 | 149 | udp | AED 512 Emulation Service |
| sql-net | 150 | tcp | SQL-NET |
| sql-net | 150 | udp | SQL-NET |
| hems | 151 | tcp | HEMS |
| hems | 151 | udp | HEMS |
| bftp | 152 | tcp | Background File Transfer Program |
| bftp | 152 | udp | Background File Transfer Program |
| sgmp | 153 | tcp | SGMP |
| sgmp | 153 | udp | SGMP |
| netsc-prod | 154 | tcp | NETSC |
| netsc-prod | 154 | udp | NETSC |
| netsc-dev | 155 | tcp | NETSC |
| netsc-dev | 155 | udp | NETSC |
| sqlsrv | 156 | tcp | SQL Service |
| sqlsrv | 156 | udp | SQL Service |
| knet-cmp | 157 | tcp | KNET/VM Command/Message Protocol |
| knet-cmp | 157 | udp | KNET/VM Command/Message Protocol |
| pcmail-srv | 158 | tcp | PCMail Server |
| pcmail-srv | 158 | udp | PCMail Server |
| nss-routing | 159 | tcp | NSS-Routing |
| nss-routing | 159 | udp | NSS-Routing |
| sgmp-traps | 160 | tcp | SGMP-TRAPS |
| sgmp-traps | 160 | udp | SGMP-TRAPS |
| snmp | 161 | tcp | SNMP |
| snmp | 161 | udp | SNMP |
| snmptrap | 162 | tcp | SNMPTRAP |
| snmptrap | 162 | udp | SNMPTRAP |
| cmip-man | 163 | tcp | CMIP/TCP Manager |
| cmip-man | 163 | udp | CMIP/TCP Manager |
| cmip-agent | 164 | tcp | CMIP/TCP Agent |
| cmip-agent | 164 | udp | CMIP/TCP Agent |
| xns-courier | 165 | tcp | Xerox |
| xns-courier | 165 | udp | Xerox |
| s-net | 166 | tcp | Sirius Systems |
| s-net | 166 | udp | Sirius Systems |
| namp | 167 | tcp | NAMP |
| namp | 167 | udp | NAMP |
| rsvd | 168 | tcp | RSVD |
| rsvd | 168 | udp | RSVD |
| send | 169 | tcp | SEND |
| send | 169 | udp | SEND |
| print-srv | 170 | tcp | Network PostScript |
| print-srv | 170 | udp | Network PostScript |
| multiplex | 171 | tcp | Network Innovations Multiplex |
| multiplex | 171 | udp | Network Innovations Multiplex |
| cl/1 | 172 | tcp | Network Innovations CL/1 |
| cl/1 | 172 | udp | Network Innovations CL/1 |
| xyplex-mux | 173 | tcp | Xyplex |
| xyplex-mux | 173 | udp | Xyplex |
| mailq | 174 | tcp | MAILQ |
| mailq | 174 | udp | MAILQ |
| vmnet | 175 | tcp | VMNET |
| vmnet | 175 | udp | VMNET |
| genrad-mux | 176 | tcp | GENRAD-MUX |
| genrad-mux | 176 | udp | GENRAD-MUX |
| xdmcp | 177 | tcp | X Display Manager Control Protocol |
| xdmcp | 177 | udp | X Display Manager Control Protocol |
| nextstep | 178 | tcp | NextStep Window Server |
| nextstep | 178 | udp | NextStep Window Server |
| bgp | 179 | tcp | Border Gateway Protocol |
| bgp | 179 | udp | Border Gateway Protocol |
| ris | 180 | tcp | Intergraph |
| ris | 180 | udp | Intergraph |
| unify | 181 | tcp | Unify |
| unify | 181 | udp | Unify |
| audit | 182 | tcp | Unisys Audit SITP |
| audit | 182 | udp | Unisys Audit SITP |
| ocbinder | 183 | tcp | OCBinder |
| ocbinder | 183 | udp | OCBinder |
| ocserver | 184 | tcp | OCServer |
| ocserver | 184 | udp | OCServer |
| remote-kis | 185 | tcp | Remote-KIS |
| remote-kis | 185 | udp | Remote-KIS |
| kis | 186 | tcp | KIS Protocol |
| kis | 186 | udp | KIS Protocol |
| aci | 187 | tcp | Application Communication Interface |
| aci | 187 | udp | Application Communication Interface |
| mumps | 188 | tcp | Plus Five's MUMPS |
| mumps | 188 | udp | Plus Five's MUMPS |
| qft | 189 | tcp | Queued File Transport |
| qft | 189 | udp | Queued File Transport |
| gacp | 190 | tcp | Gateway Access Control Protocol |
| gacp | 190 | udp | Gateway Access Control Protocol |
| prospero | 191 | tcp | Prospero Directory Service |
| prospero | 191 | udp | Prospero Directory Service |
| osu-nms | 192 | tcp | OSU Network Monitoring System |
| osu-nms | 192 | udp | OSU Network Monitoring System |
| srmp | 193 | tcp | Spider Remote Monitoring Protocol |
| srmp | 193 | udp | Spider Remote Monitoring Protocol |
| irc | 194 | tcp | Internet Relay Chat Protocol |
| irc | 194 | udp | Internet Relay Chat Protocol |
| dn6-nlm-aud | 195 | tcp | DNSIX Network Level Module Audit |
| dn6-nlm-aud | 195 | udp | DNSIX Network Level Module Audit |
| dn6-smm-red | 196 | tcp | DNSIX Session Mgt Module Audit Redir |
| dn6-smm-red | 196 | udp | DNSIX Session Mgt Module Audit Redir |
| dls | 197 | tcp | Directory Location Service |
| dls | 197 | udp | Directory Location Service |
| dls-mon | 198 | tcp | Directory Location Service Monitor |
| dls-mon | 198 | udp | Directory Location Service Monitor |
| smux | 199 | tcp | SMUX |
| smux | 199 | udp | SMUX |
| src | 200 | tcp | IBM System Resource Controller |
| src | 200 | udp | IBM System Resource Controller |
| at-rtmp | 201 | tcp | AppleTalk Routing Maintenance |
| at-rtmp | 201 | udp | AppleTalk Routing Maintenance |
| at-nbp | 202 | tcp | AppleTalk Name Binding |
| at-nbp | 202 | udp | AppleTalk Name Binding |
| at-3 | 203 | tcp | AppleTalk Unused |
| at-3 | 203 | udp | AppleTalk Unused |
| at-echo | 204 | tcp | AppleTalk Echo |
| at-echo | 204 | udp | AppleTalk Echo |
| at-5 | 205 | tcp | AppleTalk Unused |
| at-5 | 205 | udp | AppleTalk Unused |
| at-zis | 206 | tcp | AppleTalk Zone Information |
| at-zis | 206 | udp | AppleTalk Zone Information |
| at-7 | 207 | tcp | AppleTalk Unused |
| at-7 | 207 | udp | AppleTalk Unused |
| at-8 | 208 | tcp | AppleTalk Unused |
| at-8 | 208 | udp | AppleTalk Unused |
| qmtp | 209 | tcp | The Quick Mail Transfer Protocol |
| qmtp | 209 | udp | The Quick Mail Transfer Protocol |
| z39.50 | 210 | tcp | ANSI Z39.50 |
| z39.50 | 210 | udp | ANSI Z39.50 |
| 914c/g | 211 | tcp | Texas Instruments 914C/G Terminal |
| 914c/g | 211 | udp | Texas Instruments 914C/G Terminal |
| anet | 212 | tcp | ATEXSSTR |
| anet | 212 | udp | ATEXSSTR |
| ipx | 213 | tcp | IPX |
| ipx | 213 | udp | IPX |
| vmpwscs | 214 | tcp | VM PWSCS |
| vmpwscs | 214 | udp | VM PWSCS |
| softpc | 215 | tcp | Insignia Solutions |
| softpc | 215 | udp | Insignia Solutions |
| CAIlic | 216 | tcp | Computer Associates Int'l License Server |
| CAIlic | 216 | udp | Computer Associates Int'l License Server |
| dbase | 217 | tcp | dBASE Unix |
| dbase | 217 | udp | dBASE Unix |
| mpp | 218 | tcp | Netix Message Posting Protocol |
| mpp | 218 | udp | Netix Message Posting Protocol |
| uarps | 219 | tcp | Unisys ARPs |
| uarps | 219 | udp | Unisys ARPs |
| imap3 | 220 | tcp | Interactive Mail Access Protocol v3 |
| imap3 | 220 | udp | Interactive Mail Access Protocol v3 |
| fln-spx | 221 | tcp | Berkeley rlogind with SPX auth |
| fln-spx | 221 | udp | Berkeley rlogind with SPX auth |
| rsh-spx | 222 | tcp | Berkeley rshd with SPX auth |
| rsh-spx | 222 | udp | Berkeley rshd with SPX auth |
| cdc | 223 | tcp | Certificate Distribution Center |
| cdc | 223 | udp | Certificate Distribution Center |
| masqdialer | 224 | tcp | masqdialer |
| masqdialer | 224 | udp | masqdialer |
| direct | 242 | tcp | Direct |
| direct | 242 | udp | Direct |
| sur-meas | 243 | tcp | Survey Measurement |
| sur-meas | 243 | udp | Survey Measurement |
| inbusiness | 244 | tcp | inbusiness |
| inbusiness | 244 | udp | inbusiness |
| link | 245 | tcp | LINK |
| link | 245 | udp | LINK |
| dsp3270 | 246 | tcp | Display Systems Protocol |
| dsp3270 | 246 | udp | Display Systems Protocol |
| subntbcst_tftp | 247 | tcp | SUBNTBCST_TFTP |
| subntbcst_tftp | 247 | udp | SUBNTBCST_TFTP |
| bhfhs | 248 | tcp | bhfhs |
| bhfhs | 248 | udp | bhfhs |
| rap | 256 | tcp | RAP |
| rap | 256 | udp | RAP |
| set | 257 | tcp | Secure Electronic Transaction |
| set | 257 | udp | Secure Electronic Transaction |
| yak-chat | 258 | tcp | Yak Winsock Personal Chat |
| yak-chat | 258 | udp | Yak Winsock Personal Chat |
| esro-gen | 259 | tcp | Efficient Short Remote Operations |
| esro-gen | 259 | udp | Efficient Short Remote Operations |
| openport | 260 | tcp | Openport |
| openport | 260 | udp | Openport |
| nsiiops | 261 | tcp | IIOP Name Service over TLS/SSL |
| nsiiops | 261 | udp | IIOP Name Service over TLS/SSL |
| arcisdms | 262 | tcp | Arcisdms |
| arcisdms | 262 | udp | Arcisdms |
| hdap | 263 | tcp | HDAP |
| hdap | 263 | udp | HDAP |
| bgmp | 264 | tcp | BGMP |
| bgmp | 264 | udp | BGMP |
| x-bone-ctl | 265 | tcp | X-Bone CTL |
| x-bone-ctl | 265 | udp | X-Bone CTL |
| sst | 266 | tcp | SCSI on ST |
| sst | 266 | udp | SCSI on ST |
| td-service | 267 | tcp | Tobit David Service Layer |
| td-service | 267 | udp | Tobit David Service Layer |
| td-replica | 268 | tcp | Tobit David Replica |
| td-replica | 268 | udp | Tobit David Replica |
| http-mgmt | 280 | tcp | http-mgmt |
| http-mgmt | 280 | udp | http-mgmt |
| personal-link | 281 | tcp | Personal Link |
| personal-link | 281 | udp | Personal Link |
| cableport-ax | 282 | tcp | Cable Port A/X |
| cableport-ax | 282 | udp | Cable Port A/X |
| rescap | 283 | tcp | rescap |
| rescap | 283 | udp | rescap |
| corerjd | 284 | tcp | corerjd |
| corerjd | 284 | udp | corerjd |
| fxp-1 | 286 | tcp | FXP-1 |
| fxp-1 | 286 | udp | FXP-1 |
| k-block | 287 | tcp | K-BLOCK |
| k-block | 287 | udp | K-BLOCK |
| novastorbakcup | 308 | tcp | Novastor Backup |
| novastorbakcup | 308 | udp | Novastor Backup |
| entrusttime | 309 | tcp | EntrustTime |
| entrusttime | 309 | udp | EntrustTime |
| bhmds | 310 | tcp | bhmds |
| bhmds | 310 | udp | bhmds |
| asip-webadmin | 311 | tcp | AppleShare IP WebAdmin |
| asip-webadmin | 311 | udp | AppleShare IP WebAdmin |
| vslmp | 312 | tcp | VSLMP |
| vslmp | 312 | udp | VSLMP |
| magenta-logic | 313 | tcp | Magenta Logic |
| magenta-logic | 313 | udp | Magenta Logic |
| opalis-robot | 314 | tcp | Opalis Robot |
| opalis-robot | 314 | udp | Opalis Robot |
| dpsi | 315 | tcp | DPSI |
| dpsi | 315 | udp | DPSI |
| decauth | 316 | tcp | decAuth |
| decauth | 316 | udp | decAuth |
| zannet | 317 | tcp | Zannet |
| zannet | 317 | udp | Zannet |
| pkix-timestamp | 318 | tcp | PKIX TimeStamp |
| pkix-timestamp | 318 | udp | PKIX TimeStamp |
| ptp-event | 319 | tcp | PTP Event |
| ptp-event | 319 | udp | PTP Event |
| ptp-general | 320 | tcp | PTP General |
| ptp-general | 320 | udp | PTP General |
| pip | 321 | tcp | PIP |
| pip | 321 | udp | PIP |
| rtsps | 322 | tcp | RTSPS |
| rtsps | 322 | udp | RTSPS |
| texar | 333 | tcp | Texar Security Port |
| texar | 333 | udp | Texar Security Port |
| pdap | 344 | tcp | Prospero Data Access Protocol |
| pdap | 344 | udp | Prospero Data Access Protocol |
| pawserv | 345 | tcp | Perf Analysis Workbench |
| pawserv | 345 | udp | Perf Analysis Workbench |
| zserv | 346 | tcp | Zebra server |
| zserv | 346 | udp | Zebra server |
| fatserv | 347 | tcp | Fatmen Server |
| fatserv | 347 | udp | Fatmen Server |
| csi-sgwp | 348 | tcp | Cabletron Management Protocol |
| csi-sgwp | 348 | udp | Cabletron Management Protocol |
| mftp | 349 | tcp | mftp |
| mftp | 349 | udp | mftp |
| matip-type-a | 350 | tcp | MATIP Type A |
| matip-type-a | 350 | udp | MATIP Type A |
| bhoetty | 351 | tcp | bhoetty (added 5/21/97) |
| bhoetty | 351 | udp | bhoetty |
| matip-type-b | 351 | tcp | MATIP Type B |
| matip-type-b | 351 | udp | MATIP Type B |
| bhoedap4 | 352 | tcp | bhoedap4 (added 5/21/97) |
| bhoedap4 | 352 | udp | bhoedap4 |
| dtag-ste-sb | 352 | tcp | DTAG (assigned long ago) |
| dtag-ste-sb | 352 | udp | DTAG |
| ndsauth | 353 | tcp | NDSAUTH |
| ndsauth | 353 | udp | NDSAUTH |
| bh611 | 354 | tcp | bh611 |
| bh611 | 354 | udp | bh611 |
| datex-asn | 355 | tcp | DATEX-ASN |
| datex-asn | 355 | udp | DATEX-ASN |
| cloanto-net-1 | 356 | tcp | Cloanto Net 1 |
| cloanto-net-1 | 356 | udp | Cloanto Net 1 |
| bhevent | 357 | tcp | bhevent |
| bhevent | 357 | udp | bhevent |
| shrinkwrap | 358 | tcp | Shrinkwrap |
| shrinkwrap | 358 | udp | Shrinkwrap |
| nsrmp | 359 | tcp | Network Security Risk Management Protocol |
| nsrmp | 359 | udp | Network Security Risk Management Protocol |
| scoi2odialog | 360 | tcp | scoi2odialog |
| scoi2odialog | 360 | udp | scoi2odialog |
| semantix | 361 | tcp | Semantix |
| semantix | 361 | udp | Semantix |
| srssend | 362 | tcp | SRS Send |
| srssend | 362 | udp | SRS Send |
| rsvp_tunnel | 363 | tcp | RSVP Tunnel |
| rsvp_tunnel | 363 | udp | RSVP Tunnel |
| aurora-cmgr | 364 | tcp | Aurora CMGR |
| aurora-cmgr | 364 | udp | Aurora CMGR |
| dtk | 365 | tcp | DTK |
| dtk | 365 | udp | DTK |
| odmr | 366 | tcp | ODMR |
| odmr | 366 | udp | ODMR |
| mortgageware | 367 | tcp | MortgageWare |
| mortgageware | 367 | udp | MortgageWare |
| qbikgdp | 368 | tcp | QbikGDP |
| qbikgdp | 368 | udp | QbikGDP |
| rpc2portmap | 369 | tcp | rpc2portmap |
| rpc2portmap | 369 | udp | rpc2portmap |
| codaauth2 | 370 | tcp | codaauth2 |
| codaauth2 | 370 | udp | codaauth2 |
| clearcase | 371 | tcp | Clearcase |
| clearcase | 371 | udp | Clearcase |
| ulistproc | 372 | tcp | ListProcessor |
| ulistproc | 372 | udp | ListProcessor |
| legent-1 | 373 | tcp | Legent Corporation |
| legent-1 | 373 | udp | Legent Corporation |
| legent-2 | 374 | tcp | Legent Corporation |
| legent-2 | 374 | udp | Legent Corporation |
| hassle | 375 | tcp | Hassle |
| hassle | 375 | udp | Hassle |
| nip | 376 | tcp | Amiga Envoy Network Inquiry Proto |
| nip | 376 | udp | Amiga Envoy Network Inquiry Proto |
| tnETOS | 377 | tcp | NEC Corporation |
| tnETOS | 377 | udp | NEC Corporation |
| dsETOS | 378 | tcp | NEC Corporation |
| dsETOS | 378 | udp | NEC Corporation |
| is99c | 379 | tcp | TIA/EIA/IS-99 modem client |
| is99c | 379 | udp | TIA/EIA/IS-99 modem client |
| is99s | 380 | tcp | TIA/EIA/IS-99 modem server |
| is99s | 380 | udp | TIA/EIA/IS-99 modem server |
| hp-collector | 381 | tcp | hp performance data collector |
| hp-collector | 381 | udp | hp performance data collector |
| hp-managed-node | 382 | tcp | hp performance data managed node |
| hp-managed-node | 382 | udp | hp performance data managed node |
| hp-alarm-mgr | 383 | tcp | hp performance data alarm manager |
| hp-alarm-mgr | 383 | udp | hp performance data alarm manager |
| arns | 384 | tcp | A Remote Network Server System |
| arns | 384 | udp | A Remote Network Server System |
| ibm-app | 385 | tcp | IBM Application |
| ibm-app | 385 | udp | IBM Application |
| asa | 386 | tcp | ASA Message Router Object Def. |
| asa | 386 | udp | ASA Message Router Object Def. |
| aurp | 387 | tcp | Appletalk Update-Based Routing Pro. |
| aurp | 387 | udp | Appletalk Update-Based Routing Pro. |
| unidata-ldm | 388 | tcp | Unidata LDM |
| unidata-ldm | 388 | udp | Unidata LDM |
| ldap | 389 | tcp | Lightweight Directory Access Protocol |
| ldap | 389 | udp | Lightweight Directory Access Protocol |
| uis | 390 | tcp | UIS |
| uis | 390 | udp | UIS |
| synotics-relay | 391 | tcp | SynOptics SNMP Relay Port |
| synotics-relay | 391 | udp | SynOptics SNMP Relay Port |
| synotics-broker | 392 | tcp | SynOptics Port Broker Port |
| synotics-broker | 392 | udp | SynOptics Port Broker Port |
| meta5 | 393 | tcp | Meta5 |
| meta5 | 393 | udp | Meta5 |
| embl-ndt | 394 | tcp | EMBL Nucleic Data Transfer |
| embl-ndt | 394 | udp | EMBL Nucleic Data Transfer |
| netcp | 395 | tcp | NETscout Control Protocol |
| netcp | 395 | udp | NETscout Control Protocol |
| netware-ip | 396 | tcp | Novell Netware over IP |
| netware-ip | 396 | udp | Novell Netware over IP |
| mptn | 397 | tcp | Multi Protocol Trans. Net. |
| mptn | 397 | udp | Multi Protocol Trans. Net. |
| kryptolan | 398 | tcp | Kryptolan |
| kryptolan | 398 | udp | Kryptolan |
| iso-tsap-c2 | 399 | tcp | ISO Transport Class 2 Non-Control over TCP |
| iso-tsap-c2 | 399 | udp | ISO Transport Class 2 Non-Control over UDP |
| work-sol | 400 | tcp | Workstation Solutions |
| work-sol | 400 | udp | Workstation Solutions |
| ups | 401 | tcp | Uninterruptible Power Supply |
| ups | 401 | udp | Uninterruptible Power Supply |
| genie | 402 | tcp | Genie Protocol |
| genie | 402 | udp | Genie Protocol |
| decap | 403 | tcp | decap |
| decap | 403 | udp | decap |
| nced | 404 | tcp | nced |
| nced | 404 | udp | nced |
| ncld | 405 | tcp | ncld |
| ncld | 405 | udp | ncld |
| imsp | 406 | tcp | Interactive Mail Support Protocol |
| imsp | 406 | udp | Interactive Mail Support Protocol |
| timbuktu | 407 | tcp | Timbuktu |
| timbuktu | 407 | udp | Timbuktu |
| prm-sm | 408 | tcp | Prospero Resource Manager Sys. Man. |
| prm-sm | 408 | udp | Prospero Resource Manager Sys. Man. |
| prm-nm | 409 | tcp | Prospero Resource Manager Node Man. |
| prm-nm | 409 | udp | Prospero Resource Manager Node Man. |
| decladebug | 410 | tcp | DECLadebug Remote Debug Protocol |
| decladebug | 410 | udp | DECLadebug Remote Debug Protocol |
| rmt | 411 | tcp | Remote MT Protocol |
| rmt | 411 | udp | Remote MT Protocol |
| synoptics-trap | 412 | tcp | Trap Convention Port |
| synoptics-trap | 412 | udp | Trap Convention Port |
| smsp | 413 | tcp | Storage Management Services Protocol |
| smsp | 413 | udp | Storage Management Services Protocol |
| infoseek | 414 | tcp | InfoSeek |
| infoseek | 414 | udp | InfoSeek |
| bnet | 415 | tcp | BNet |
| bnet | 415 | udp | BNet |
| silverplatter | 416 | tcp | Silverplatter |
| silverplatter | 416 | udp | Silverplatter |
| onmux | 417 | tcp | Onmux |
| onmux | 417 | udp | Onmux |
| hyper-g | 418 | tcp | Hyper-G |
| hyper-g | 418 | udp | Hyper-G |
| ariel1 | 419 | tcp | Ariel 1 |
| ariel1 | 419 | udp | Ariel 1 |
| smpte | 420 | tcp | SMPTE |
| smpte | 420 | udp | SMPTE |
| ariel2 | 421 | tcp | Ariel 2 |
| ariel2 | 421 | udp | Ariel 2 |
| ariel3 | 422 | tcp | Ariel 3 |
| ariel3 | 422 | udp | Ariel 3 |
| opc-job-start | 423 | tcp | IBM Operations Planning and Control Start |
| opc-job-start | 423 | udp | IBM Operations Planning and Control Start |
| opc-job-track | 424 | tcp | IBM Operations Planning and Control Track |
| opc-job-track | 424 | udp | IBM Operations Planning and Control Track |
| icad-el | 425 | tcp | ICAD |
| icad-el | 425 | udp | ICAD |
| smartsdp | 426 | tcp | smartsdp |
| smartsdp | 426 | udp | smartsdp |
| svrloc | 427 | tcp | Server Location |
| svrloc | 427 | udp | Server Location |
| ocs_cmu | 428 | tcp | OCS_CMU |
| ocs_cmu | 428 | udp | OCS_CMU |
| ocs_amu | 429 | tcp | OCS_AMU |
| ocs_amu | 429 | udp | OCS_AMU |
| utmpsd | 430 | tcp | UTMPSD |
| utmpsd | 430 | udp | UTMPSD |
| utmpcd | 431 | tcp | UTMPCD |
| utmpcd | 431 | udp | UTMPCD |
| iasd | 432 | tcp | IASD |
| iasd | 432 | udp | IASD |
| nnsp | 433 | tcp | NNSP |
| nnsp | 433 | udp | NNSP |
| mobileip-agent | 434 | tcp | MobileIP-Agent |
| mobileip-agent | 434 | udp | MobileIP-Agent |
| mobilip-mn | 435 | tcp | MobilIP-MN |
| mobilip-mn | 435 | udp | MobilIP-MN |
| dna-cml | 436 | tcp | DNA-CML |
| dna-cml | 436 | udp | DNA-CML |
| comscm | 437 | tcp | comscm |
| comscm | 437 | udp | comscm |
| dsfgw | 438 | tcp | dsfgw |
| dsfgw | 438 | udp | dsfgw |
| dasp | 439 | tcp | dasp Thomas Obermair |
| dasp | 439 | udp | dasp tommy@inlab.m.eunet.de |
| sgcp | 440 | tcp | sgcp |
| sgcp | 440 | udp | sgcp |
| decvms-sysmgt | 441 | tcp | decvms-sysmgt |
| decvms-sysmgt | 441 | udp | decvms-sysmgt |
| cvc_hostd | 442 | tcp | cvc_hostd |
| cvc_hostd | 442 | udp | cvc_hostd |
| https | 443 | tcp | http protocol over TLS/SSL |
| https | 443 | udp | http protocol over TLS/SSL |
| snpp | 444 | tcp | Simple Network Paging Protocol |
| snpp | 444 | udp | Simple Network Paging Protocol |
| microsoft-ds | 445 | tcp | Microsoft-DS |
| microsoft-ds | 445 | udp | Microsoft-DS |
| ddm-rdb | 446 | tcp | DDM-RDB |
| ddm-rdb | 446 | udp | DDM-RDB |
| ddm-dfm | 447 | tcp | DDM-RFM |
| ddm-dfm | 447 | udp | DDM-RFM |
| ddm-ssl | 448 | tcp | DDM-SSL |
| ddm-ssl | 448 | udp | DDM-SSL |
| as-servermap | 449 | tcp | AS Server Mapper |
| as-servermap | 449 | udp | AS Server Mapper |
| tserver | 450 | tcp | Computer Supported Telecomunication Applications |
| tserver | 450 | udp | Computer Supported Telecomunication Applications |
| sfs-smp-net | 451 | tcp | Cray Network Semaphore server |
| sfs-smp-net | 451 | udp | Cray Network Semaphore server |
| sfs-config | 452 | tcp | Cray SFS config server |
| sfs-config | 452 | udp | Cray SFS config server |
| creativeserver | 453 | tcp | CreativeServer |
| creativeserver | 453 | udp | CreativeServer |
| contentserver | 454 | tcp | ContentServer |
| contentserver | 454 | udp | ContentServer |
| creativepartnr | 455 | tcp | CreativePartnr |
| creativepartnr | 455 | udp | CreativePartnr |
| macon-tcp | 456 | tcp | macon-tcp |
| macon-udp | 456 | udp | macon-udp |
| scohelp | 457 | tcp | scohelp |
| scohelp | 457 | udp | scohelp |
| appleqtc | 458 | tcp | apple quick time |
| appleqtc | 458 | udp | apple quick time |
| ampr-rcmd | 459 | tcp | ampr-rcmd |
| ampr-rcmd | 459 | udp | ampr-rcmd |
| skronk | 460 | tcp | skronk |
| skronk | 460 | udp | skronk |
| datasurfsrv | 461 | tcp | DataRampSrv |
| datasurfsrv | 461 | udp | DataRampSrv |
| datasurfsrvsec | 462 | tcp | DataRampSrvSec |
| datasurfsrvsec | 462 | udp | DataRampSrvSec |
| alpes | 463 | tcp | alpes |
| alpes | 463 | udp | alpes |
| kpasswd | 464 | tcp | kpasswd |
| kpasswd | 464 | udp | kpasswd |
| igmpv3lite | 465 | udp | IGMP over UDP for SSM |
| urd | 465 | tcp | URL Rendesvous Directory for SSM |
| digital-vrc | 466 | tcp | digital-vrc |
| digital-vrc | 466 | udp | digital-vrc |
| mylex-mapd | 467 | tcp | mylex-mapd |
| mylex-mapd | 467 | udp | mylex-mapd |
| photuris | 468 | tcp | proturis |
| photuris | 468 | udp | proturis |
| rcp | 469 | tcp | Radio Control Protocol |
| rcp | 469 | udp | Radio Control Protocol |
| scx-proxy | 470 | tcp | scx-proxy |
| scx-proxy | 470 | udp | scx-proxy |
| mondex | 471 | tcp | Mondex |
| mondex | 471 | udp | Mondex |
| ljk-login | 472 | tcp | ljk-login |
| ljk-login | 472 | udp | ljk-login |
| hybrid-pop | 473 | tcp | hybrid-pop |
| hybrid-pop | 473 | udp | hybrid-pop |
| tn-tl-w1 | 474 | tcp | tn-tl-w1 |
| tn-tl-w2 | 474 | udp | tn-tl-w2 |
| tcpnethaspsrv | 475 | tcp | tcpnethaspsrv |
| tcpnethaspsrv | 475 | udp | tcpnethaspsrv |
| tn-tl-fd1 | 476 | tcp | tn-tl-fd1 |
| tn-tl-fd1 | 476 | udp | tn-tl-fd1 |
| ss7ns | 477 | tcp | ss7ns |
| ss7ns | 477 | udp | ss7ns |
| spsc | 478 | tcp | spsc |
| spsc | 478 | udp | spsc |
| iafserver | 479 | tcp | iafserver |
| iafserver | 479 | udp | iafserver |
| iafdbase | 480 | tcp | iafdbase |
| iafdbase | 480 | udp | iafdbase |
| ph | 481 | tcp | Ph service |
| ph | 481 | udp | Ph service |
| bgs-nsi | 482 | tcp | bgs-nsi |
| bgs-nsi | 482 | udp | bgs-nsi |
| ulpnet | 483 | tcp | ulpnet |
| ulpnet | 483 | udp | ulpnet |
| integra-sme | 484 | tcp | Integra Software Management Environment |
| integra-sme | 484 | udp | Integra Software Management Environment |
| powerburst | 485 | tcp | Air Soft Power Burst |
| powerburst | 485 | udp | Air Soft Power Burst |
| avian | 486 | tcp | avian |
| avian | 486 | udp | avian |
| saft | 487 | tcp | saft Simple Asynchronous File Transfer |
| saft | 487 | udp | saft Simple Asynchronous File Transfer |
| gss-http | 488 | tcp | gss-http |
| gss-http | 488 | udp | gss-http |
| nest-protocol | 489 | tcp | nest-protocol |
| nest-protocol | 489 | udp | nest-protocol |
| micom-pfs | 490 | tcp | micom-pfs |
| micom-pfs | 490 | udp | micom-pfs |
| go-login | 491 | tcp | go-login |
| go-login | 491 | udp | go-login |
| ticf-1 | 492 | tcp | Transport Independent Convergence for FNA |
| ticf-1 | 492 | udp | Transport Independent Convergence for FNA |
| ticf-2 | 493 | tcp | Transport Independent Convergence for FNA |
| ticf-2 | 493 | udp | Transport Independent Convergence for FNA |
| pov-ray | 494 | tcp | POV-Ray |
| pov-ray | 494 | udp | POV-Ray |
| intecourier | 495 | tcp | intecourier |
| intecourier | 495 | udp | intecourier |
| pim-rp-disc | 496 | tcp | PIM-RP-DISC |
| pim-rp-disc | 496 | udp | PIM-RP-DISC |
| dantz | 497 | tcp | dantz |
| dantz | 497 | udp | dantz |
| siam | 498 | tcp | siam |
| siam | 498 | udp | siam |
| iso-ill | 499 | tcp | ISO ILL Protocol |
| iso-ill | 499 | udp | ISO ILL Protocol |
| isakmp | 500 | tcp | isakmp |
| isakmp | 500 | udp | isakmp |
| stmf | 501 | tcp | STMF |
| stmf | 501 | udp | STMF |
| asa-appl-proto | 502 | tcp | asa-appl-proto |
| asa-appl-proto | 502 | udp | asa-appl-proto |
| intrinsa | 503 | tcp | Intrinsa |
| intrinsa | 503 | udp | Intrinsa |
| citadel | 504 | tcp | citadel |
| citadel | 504 | udp | citadel |
| mailbox-lm | 505 | tcp | mailbox-lm |
| mailbox-lm | 505 | udp | mailbox-lm |
| ohimsrv | 506 | tcp | ohimsrv |
| ohimsrv | 506 | udp | ohimsrv |
| crs | 507 | tcp | crs |
| crs | 507 | udp | crs |
| xvttp | 508 | tcp | xvttp |
| xvttp | 508 | udp | xvttp |
| snare | 509 | tcp | snare |
| snare | 509 | udp | snare |
| fcp | 510 | tcp | FirstClass Protocol |
| fcp | 510 | udp | FirstClass Protocol |
| passgo | 511 | tcp | PassGo |
| passgo | 511 | udp | PassGo |
| biff | 512 | udp | used by mail system to notify users |
| comsat | 512 | udp | |
| exec | 512 | tcp | remote process execution; |
| login | 513 | tcp | remote login a la telnet; |
| who | 513 | udp | maintains data bases showing who's |
| shell | 514 | tcp | cmd |
| syslog | 514 | udp | |
| printer | 515 | tcp | spooler |
| printer | 515 | udp | spooler |
| videotex | 516 | tcp | videotex |
| videotex | 516 | udp | videotex |
| talk | 517 | tcp | "like tenex link, but across" |
| talk | 517 | udp | "like tenex link, but across" |
| ntalk | 518 | tcp | |
| ntalk | 518 | udp | |
| utime | 519 | tcp | unixtime |
| utime | 519 | udp | unixtime |
| efs | 520 | tcp | extended file name server |
| router | 520 | udp | local routing process (on site); |
| ripng | 521 | tcp | ripng |
| ripng | 521 | udp | ripng |
| ulp | 522 | tcp | ULP |
| ulp | 522 | udp | ULP |
| ibm-db2 | 523 | tcp | IBM-DB2 |
| ibm-db2 | 523 | udp | IBM-DB2 |
| ncp | 524 | tcp | NCP |
| ncp | 524 | udp | NCP |
| timed | 525 | tcp | timeserver |
| timed | 525 | udp | timeserver |
| tempo | 526 | tcp | newdate |
| tempo | 526 | udp | newdate |
| stx | 527 | tcp | Stock IXChange |
| stx | 527 | udp | Stock IXChange |
| custix | 528 | tcp | Customer IXChange |
| custix | 528 | udp | Customer IXChange |
| irc-serv | 529 | tcp | IRC-SERV |
| irc-serv | 529 | udp | IRC-SERV |
| courier | 530 | tcp | rpc |
| courier | 530 | udp | rpc |
| conference | 531 | tcp | chat |
| conference | 531 | udp | chat |
| netnews | 532 | tcp | readnews |
| netnews | 532 | udp | readnews |
| netwall | 533 | tcp | for emergency broadcasts |
| netwall | 533 | udp | for emergency broadcasts |
| mm-admin | 534 | tcp | MegaMedia Admin |
| mm-admin | 534 | udp | MegaMedia Admin |
| iiop | 535 | tcp | iiop |
| iiop | 535 | udp | iiop |
| opalis-rdv | 536 | tcp | opalis-rdv |
| opalis-rdv | 536 | udp | opalis-rdv |
| nmsp | 537 | tcp | Networked Media Streaming Protocol |
| nmsp | 537 | udp | Networked Media Streaming Protocol |
| gdomap | 538 | tcp | gdomap |
| gdomap | 538 | udp | gdomap |
| apertus-ldp | 539 | tcp | Apertus Technologies Load Determination |
| apertus-ldp | 539 | udp | Apertus Technologies Load Determination |
| uucp | 540 | tcp | uucpd |
| uucp | 540 | udp | uucpd |
| uucp-rlogin | 541 | tcp | uucp-rlogin |
| uucp-rlogin | 541 | udp | uucp-rlogin |
| commerce | 542 | tcp | commerce |
| commerce | 542 | udp | commerce |
| klogin | 543 | tcp | |
| klogin | 543 | udp | |
| kshell | 544 | tcp | krcmd |
| kshell | 544 | udp | krcmd |
| appleqtcsrvr | 545 | tcp | appleqtcsrvr |
| appleqtcsrvr | 545 | udp | appleqtcsrvr |
| dhcpv6-client | 546 | tcp | DHCPv6 Client |
| dhcpv6-client | 546 | udp | DHCPv6 Client |
| dhcpv6-server | 547 | tcp | DHCPv6 Server |
| dhcpv6-server | 547 | udp | DHCPv6 Server |
| afpovertcp | 548 | tcp | AFP over TCP |
| afpovertcp | 548 | udp | AFP over TCP |
| idfp | 549 | tcp | IDFP |
| idfp | 549 | udp | IDFP |
| new-rwho | 550 | tcp | new-who |
| new-rwho | 550 | udp | new-who |
| cybercash | 551 | tcp | cybercash |
| cybercash | 551 | udp | cybercash |
| devshr-nts | 552 | tcp | DeviceShare |
| devshr-nts | 552 | udp | DeviceShare |
| pirp | 553 | tcp | pirp |
| pirp | 553 | udp | pirp |
| rtsp | 554 | tcp | Real Time Stream Control Protocol |
| rtsp | 554 | udp | Real Time Stream Control Protocol |
| dsf | 555 | tcp | |
| dsf | 555 | udp | |
| remotefs | 556 | tcp | rfs server |
| remotefs | 556 | udp | rfs server |
| openvms-sysipc | 557 | tcp | openvms-sysipc |
| openvms-sysipc | 557 | udp | openvms-sysipc |
| sdnskmp | 558 | tcp | SDNSKMP |
| sdnskmp | 558 | udp | SDNSKMP |
| teedtap | 559 | tcp | TEEDTAP |
| teedtap | 559 | udp | TEEDTAP |
| rmonitor | 560 | tcp | rmonitord |
| rmonitor | 560 | udp | rmonitord |
| monitor | 561 | tcp | |
| monitor | 561 | udp | |
| chshell | 562 | tcp | chcmd |
| chshell | 562 | udp | chcmd |
| nntps | 563 | tcp | nntp protocol over TLS/SSL (was snntp) |
| nntps | 563 | udp | nntp protocol over TLS/SSL (was snntp) |
| 9pfs | 564 | tcp | plan 9 file service |
| 9pfs | 564 | udp | plan 9 file service |
| whoami | 565 | tcp | whoami |
| whoami | 565 | udp | whoami |
| streettalk | 566 | tcp | streettalk |
| streettalk | 566 | udp | streettalk |
| banyan-rpc | 567 | tcp | banyan-rpc |
| banyan-rpc | 567 | udp | banyan-rpc |
| ms-shuttle | 568 | tcp | microsoft shuttle |
| ms-shuttle | 568 | udp | microsoft shuttle |
| ms-rome | 569 | tcp | microsoft rome |
| ms-rome | 569 | udp | microsoft rome |
| meter | 570 | tcp | demon |
| meter | 570 | udp | demon |
| meter | 571 | tcp | udemon |
| meter | 571 | udp | udemon |
| sonar | 572 | tcp | sonar |
| sonar | 572 | udp | sonar |
| banyan-vip | 573 | tcp | banyan-vip |
| banyan-vip | 573 | udp | banyan-vip |
| ftp-agent | 574 | tcp | FTP Software Agent System |
| ftp-agent | 574 | udp | FTP Software Agent System |
| vemmi | 575 | tcp | VEMMI |
| vemmi | 575 | udp | VEMMI |
| ipcd | 576 | tcp | ipcd |
| ipcd | 576 | udp | ipcd |
| vnas | 577 | tcp | vnas |
| vnas | 577 | udp | vnas |
| ipdd | 578 | tcp | ipdd |
| ipdd | 578 | udp | ipdd |
| decbsrv | 579 | tcp | decbsrv |
| decbsrv | 579 | udp | decbsrv |
| sntp-heartbeat | 580 | tcp | SNTP HEARTBEAT |
| sntp-heartbeat | 580 | udp | SNTP HEARTBEAT |
| bdp | 581 | tcp | Bundle Discovery Protocol |
| bdp | 581 | udp | Bundle Discovery Protocol |
| scc-security | 582 | tcp | SCC Security |
| scc-security | 582 | udp | SCC Security |
| philips-vc | 583 | tcp | Philips Video-Conferencing |
| philips-vc | 583 | udp | Philips Video-Conferencing |
| keyserver | 584 | tcp | Key Server |
| keyserver | 584 | udp | Key Server |
| imap4-ssl | 585 | tcp | IMAP4+SSL (use 993 instead) |
| imap4-ssl | 585 | udp | IMAP4+SSL (use 993 instead) |
| password-chg | 586 | tcp | Password Change |
| password-chg | 586 | udp | Password Change |
| submission | 587 | tcp | Submission |
| submission | 587 | udp | Submission |
| cal | 588 | tcp | CAL |
| cal | 588 | udp | CAL |
| eyelink | 589 | tcp | EyeLink |
| eyelink | 589 | udp | EyeLink |
| tns-cml | 590 | tcp | TNS CML |
| tns-cml | 590 | udp | TNS CML |
| http-alt | 591 | tcp | "FileMaker, Inc. - HTTP Alternate (see Port 80)" |
| http-alt | 591 | udp | "FileMaker, Inc. - HTTP Alternate (see Port 80)" |
| eudora-set | 592 | tcp | Eudora Set |
| eudora-set | 592 | udp | Eudora Set |
| http-rpc-epmap | 593 | tcp | HTTP RPC Ep Map |
| http-rpc-epmap | 593 | udp | HTTP RPC Ep Map |
| tpip | 594 | tcp | TPIP |
| tpip | 594 | udp | TPIP |
| cab-protocol | 595 | tcp | CAB Protocol |
| cab-protocol | 595 | udp | CAB Protocol |
| smsd | 596 | tcp | SMSD |
| smsd | 596 | udp | SMSD |
| ptcnameservice | 597 | tcp | PTC Name Service |
| ptcnameservice | 597 | udp | PTC Name Service |
| sco-websrvrmg3 | 598 | tcp | SCO Web Server Manager 3 |
| sco-websrvrmg3 | 598 | udp | SCO Web Server Manager 3 |
| acp | 599 | tcp | Aeolon Core Protocol |
| acp | 599 | udp | Aeolon Core Protocol |
| ipcserver | 600 | tcp | Sun IPC server |
| ipcserver | 600 | udp | Sun IPC server |
| syslog-conn | 601 | tcp | Reliable Syslog Service |
| syslog-conn | 601 | udp | Reliable Syslog Service |
| soap-beep | 605 | tcp | SOAP over BEEP |
| soap-beep | 605 | udp | SOAP over BEEP |
| urm | 606 | tcp | Cray Unified Resource Manager |
| urm | 606 | udp | Cray Unified Resource Manager |
| nqs | 607 | tcp | nqs |
| nqs | 607 | udp | nqs |
| sift-uft | 608 | tcp | Sender-Initiated/Unsolicited File Transfer |
| sift-uft | 608 | udp | Sender-Initiated/Unsolicited File Transfer |
| npmp-trap | 609 | tcp | npmp-trap |
| npmp-trap | 609 | udp | npmp-trap |
| npmp-local | 610 | tcp | npmp-local |
| npmp-local | 610 | udp | npmp-local |
| npmp-gui | 611 | tcp | npmp-gui |
| npmp-gui | 611 | udp | npmp-gui |
| hmmp-ind | 612 | tcp | HMMP Indication |
| hmmp-ind | 612 | udp | HMMP Indication |
| hmmp-op | 613 | tcp | HMMP Operation |
| hmmp-op | 613 | udp | HMMP Operation |
| sshell | 614 | tcp | SSLshell |
| sshell | 614 | udp | SSLshell |
| sco-inetmgr | 615 | tcp | Internet Configuration Manager |
| sco-inetmgr | 615 | udp | Internet Configuration Manager |
| sco-sysmgr | 616 | tcp | SCO System Administration Server |
| sco-sysmgr | 616 | udp | SCO System Administration Server |
| sco-dtmgr | 617 | tcp | SCO Desktop Administration Server |
| sco-dtmgr | 617 | udp | SCO Desktop Administration Server |
| dei-icda | 618 | tcp | DEI-ICDA |
| dei-icda | 618 | udp | DEI-ICDA |
| compaq-evm | 619 | tcp | Compaq EVM |
| compaq-evm | 619 | udp | Compaq EVM |
| sco-websrvrmgr | 620 | tcp | SCO WebServer Manager |
| sco-websrvrmgr | 620 | udp | SCO WebServer Manager |
| escp-ip | 621 | tcp | ESCP |
| escp-ip | 621 | udp | ESCP |
| collaborator | 622 | tcp | Collaborator |
| collaborator | 622 | udp | Collaborator |
| asf-rmcp | 623 | tcp | ASF Remote Management and Control Protocol |
| asf-rmcp | 623 | udp | ASF Remote Management and Control Protocol |
| cryptoadmin | 624 | tcp | Crypto Admin |
| cryptoadmin | 624 | udp | Crypto Admin |
| dec_dlm | 625 | tcp | DEC DLM |
| dec_dlm | 625 | udp | DEC DLM |
| asia | 626 | tcp | ASIA |
| asia | 626 | udp | ASIA |
| passgo-tivoli | 627 | tcp | PassGo Tivoli |
| passgo-tivoli | 627 | udp | PassGo Tivoli |
| qmqp | 628 | tcp | QMQP |
| qmqp | 628 | udp | QMQP |
| 3com-amp3 | 629 | tcp | 3Com AMP3 |
| 3com-amp3 | 629 | udp | 3Com AMP3 |
| rda | 630 | tcp | RDA |
| rda | 630 | udp | RDA |
| ipp | 631 | tcp | IPP (Internet Printing Protocol) |
| ipp | 631 | udp | IPP (Internet Printing Protocol) |
| bmpp | 632 | tcp | bmpp |
| bmpp | 632 | udp | bmpp |
| servstat | 633 | tcp | Service Status update (Sterling Software) |
| servstat | 633 | udp | Service Status update (Sterling Software) |
| ginad | 634 | tcp | ginad |
| ginad | 634 | udp | ginad |
| rlzdbase | 635 | tcp | RLZ DBase |
| rlzdbase | 635 | udp | RLZ DBase |
| ldaps | 636 | tcp | ldap protocol over TLS/SSL (was sldap) |
| ldaps | 636 | udp | ldap protocol over TLS/SSL (was sldap) |
| lanserver | 637 | tcp | lanserver |
| lanserver | 637 | udp | lanserver |
| mcns-sec | 638 | tcp | mcns-sec |
| mcns-sec | 638 | udp | mcns-sec |
| msdp | 639 | tcp | MSDP |
| msdp | 639 | udp | MSDP |
| entrust-sps | 640 | tcp | entrust-sps |
| entrust-sps | 640 | udp | entrust-sps |
| repcmd | 641 | tcp | repcmd |
| repcmd | 641 | udp | repcmd |
| esro-emsdp | 642 | tcp | ESRO-EMSDP V1.3 |
| esro-emsdp | 642 | udp | ESRO-EMSDP V1.3 |
| sanity | 643 | tcp | SANity |
| sanity | 643 | udp | SANity |
| dwr | 644 | tcp | dwr |
| dwr | 644 | udp | dwr |
| pssc | 645 | tcp | PSSC |
| pssc | 645 | udp | PSSC |
| ldp | 646 | tcp | LDP |
| ldp | 646 | udp | LDP |
| dhcp-failover | 647 | tcp | DHCP Failover |
| dhcp-failover | 647 | udp | DHCP Failover |
| rrp | 648 | tcp | Registry Registrar Protocol (RRP) |
| rrp | 648 | udp | Registry Registrar Protocol (RRP) |
| cadview-3d | 649 | tcp | Cadview-3d - streaming 3d models over the internet |
| cadview-3d | 649 | udp | Cadview-3d - streaming 3d models over the internet |
| obex | 650 | tcp | OBEX |
| obex | 650 | udp | OBEX |
| ieee-mms | 651 | tcp | IEEE MMS |
| ieee-mms | 651 | udp | IEEE MMS |
| hello-port | 652 | tcp | HELLO_PORT |
| hello-port | 652 | udp | HELLO_PORT |
| repscmd | 653 | tcp | RepCmd |
| repscmd | 653 | udp | RepCmd |
| aodv | 654 | tcp | AODV |
| aodv | 654 | udp | AODV |
| tinc | 655 | tcp | TINC |
| tinc | 655 | udp | TINC |
| spmp | 656 | tcp | SPMP |
| spmp | 656 | udp | SPMP |
| rmc | 657 | tcp | RMC |
| rmc | 657 | udp | RMC |
| tenfold | 658 | tcp | TenFold |
| tenfold | 658 | udp | TenFold |
| mac-srvr-admin | 660 | tcp | MacOS Server Admin |
| mac-srvr-admin | 660 | udp | MacOS Server Admin |
| hap | 661 | tcp | HAP |
| hap | 661 | udp | HAP |
| pftp | 662 | tcp | PFTP |
| pftp | 662 | udp | PFTP |
| purenoise | 663 | tcp | PureNoise |
| purenoise | 663 | udp | PureNoise |
| asf-secure-rmcp | 664 | tcp | ASF Secure Remote Management and Control Protocol |
| asf-secure-rmcp | 664 | udp | ASF Secure Remote Management and Control Protocol |
| sun-dr | 665 | tcp | Sun DR |
| sun-dr | 665 | udp | Sun DR |
| doom | 666 | tcp | doom Id Software |
| doom | 666 | udp | doom Id Software |
| mdqs | 666 | tcp | |
| mdqs | 666 | udp | |
| disclose | 667 | tcp | campaign contribution disclosures - SDR Technologies |
| disclose | 667 | udp | campaign contribution disclosures - SDR Technologies |
| mecomm | 668 | tcp | MeComm |
| mecomm | 668 | udp | MeComm |
| meregister | 669 | tcp | MeRegister |
| meregister | 669 | udp | MeRegister |
| vacdsm-sws | 670 | tcp | VACDSM-SWS |
| vacdsm-sws | 670 | udp | VACDSM-SWS |
| vacdsm-app | 671 | tcp | VACDSM-APP |
| vacdsm-app | 671 | udp | VACDSM-APP |
| vpps-qua | 672 | tcp | VPPS-QUA |
| vpps-qua | 672 | udp | VPPS-QUA |
| cimplex | 673 | tcp | CIMPLEX |
| cimplex | 673 | udp | CIMPLEX |
| acap | 674 | tcp | ACAP |
| acap | 674 | udp | ACAP |
| dctp | 675 | tcp | DCTP |
| dctp | 675 | udp | DCTP |
| vpps-via | 676 | tcp | VPPS Via |
| vpps-via | 676 | udp | VPPS Via |
| vpp | 677 | tcp | Virtual Presence Protocol |
| vpp | 677 | udp | Virtual Presence Protocol |
| ggf-ncp | 678 | tcp | GNU Generation Foundation NCP |
| ggf-ncp | 678 | udp | GNU Generation Foundation NCP |
| mrm | 679 | tcp | MRM |
| mrm | 679 | udp | MRM |
| entrust-aaas | 680 | tcp | entrust-aaas |
| entrust-aaas | 680 | udp | entrust-aaas |
| entrust-aams | 681 | tcp | entrust-aams |
| entrust-aams | 681 | udp | entrust-aams |
| xfr | 682 | tcp | XFR |
| xfr | 682 | udp | XFR |
| corba-iiop | 683 | tcp | CORBA IIOP |
| corba-iiop | 683 | udp | CORBA IIOP |
| corba-iiop-ssl | 684 | tcp | CORBA IIOP SSL |
| corba-iiop-ssl | 684 | udp | CORBA IIOP SSL |
| mdc-portmapper | 685 | tcp | MDC Port Mapper |
| mdc-portmapper | 685 | udp | MDC Port Mapper |
| hcp-wismar | 686 | tcp | Hardware Control Protocol Wismar |
| hcp-wismar | 686 | udp | Hardware Control Protocol Wismar |
| asipregistry | 687 | tcp | asipregistry |
| asipregistry | 687 | udp | asipregistry |
| realm-rusd | 688 | tcp | REALM-RUSD |
| realm-rusd | 688 | udp | REALM-RUSD |
| nmap | 689 | tcp | NMAP |
| nmap | 689 | udp | NMAP |
| vatp | 690 | tcp | VATP |
| vatp | 690 | udp | VATP |
| msexch-routing | 691 | tcp | MS Exchange Routing |
| msexch-routing | 691 | udp | MS Exchange Routing |
| hyperwave-isp | 692 | tcp | Hyperwave-ISP |
| hyperwave-isp | 692 | udp | Hyperwave-ISP |
| connendp | 693 | tcp | connendp |
| connendp | 693 | udp | connendp |
| ha-cluster | 694 | tcp | ha-cluster |
| ha-cluster | 694 | udp | ha-cluster |
| ieee-mms-ssl | 695 | tcp | IEEE-MMS-SSL |
| ieee-mms-ssl | 695 | udp | IEEE-MMS-SSL |
| rushd | 696 | tcp | RUSHD |
| rushd | 696 | udp | RUSHD |
| uuidgen | 697 | tcp | UUIDGEN |
| uuidgen | 697 | udp | UUIDGEN |
| olsr | 698 | tcp | OLSR |
| olsr | 698 | udp | OLSR |
| accessnetwork | 699 | tcp | Access Network |
| accessnetwork | 699 | udp | Access Network |
| elcsd | 704 | tcp | errlog copy/server daemon |
| elcsd | 704 | udp | errlog copy/server daemon |
| agentx | 705 | tcp | AgentX |
| agentx | 705 | udp | AgentX |
| silc | 706 | tcp | SILC |
| silc | 706 | udp | SILC |
| borland-dsj | 707 | tcp | Borland DSJ |
| borland-dsj | 707 | udp | Borland DSJ |
| entrust-kmsh | 709 | tcp | Entrust Key Management Service Handler |
| entrust-kmsh | 709 | udp | Entrust Key Management Service Handler |
| entrust-ash | 710 | tcp | Entrust Administration Service Handler |
| entrust-ash | 710 | udp | Entrust Administration Service Handler |
| cisco-tdp | 711 | tcp | Cisco TDP |
| cisco-tdp | 711 | udp | Cisco TDP |
| netviewdm1 | 729 | tcp | IBM NetView DM/6000 Server/Client |
| netviewdm1 | 729 | udp | IBM NetView DM/6000 Server/Client |
| netviewdm2 | 730 | tcp | IBM NetView DM/6000 send/tcp |
| netviewdm2 | 730 | udp | IBM NetView DM/6000 send/tcp |
| netviewdm3 | 731 | tcp | IBM NetView DM/6000 receive/tcp |
| netviewdm3 | 731 | udp | IBM NetView DM/6000 receive/tcp |
| netgw | 741 | tcp | netGW |
| netgw | 741 | udp | netGW |
| netrcs | 742 | tcp | Network based Rev. Cont. Sys. |
| netrcs | 742 | udp | Network based Rev. Cont. Sys. |
| flexlm | 744 | tcp | Flexible License Manager |
| flexlm | 744 | udp | Flexible License Manager |
| fujitsu-dev | 747 | tcp | Fujitsu Device Control |
| fujitsu-dev | 747 | udp | Fujitsu Device Control |
| ris-cm | 748 | tcp | Russell Info Sci Calendar Manager |
| ris-cm | 748 | udp | Russell Info Sci Calendar Manager |
| kerberos-adm | 749 | tcp | kerberos administration |
| kerberos-adm | 749 | udp | kerberos administration |
| kerberos-iv | 750 | udp | kerberos version iv |
| loadav | 750 | udp | |
| rfile | 750 | tcp | |
| pump | 751 | tcp | |
| pump | 751 | udp | |
| qrh | 752 | tcp | |
| qrh | 752 | udp | |
| rrh | 753 | tcp | |
| rrh | 753 | udp | |
| tell | 754 | tcp | send |
| tell | 754 | udp | send |
| nlogin | 758 | tcp | |
| nlogin | 758 | udp | |
| con | 759 | tcp | |
| con | 759 | udp | |
| ns | 760 | tcp | |
| ns | 760 | udp | |
| rxe | 761 | tcp | |
| rxe | 761 | udp | |
| quotad | 762 | tcp | |
| quotad | 762 | udp | |
| cycleserv | 763 | tcp | |
| cycleserv | 763 | udp | |
| omserv | 764 | tcp | |
| omserv | 764 | udp | |
| webster | 765 | tcp | |
| webster | 765 | udp | |
| phonebook | 767 | tcp | phone |
| phonebook | 767 | udp | phone |
| vid | 769 | tcp | |
| vid | 769 | udp | |
| cadlock | 770 | tcp | |
| cadlock | 770 | udp | |
| rtip | 771 | tcp | |
| rtip | 771 | udp | |
| cycleserv2 | 772 | tcp | |
| cycleserv2 | 772 | udp | |
| notify | 773 | udp | |
| submit | 773 | tcp | |
| acmaint_dbd | 774 | udp | |
| rpasswd | 774 | tcp | |
| acmaint_transd | 775 | udp | |
| entomb | 775 | tcp | |
| wpages | 776 | tcp | |
| wpages | 776 | udp | |
| multiling-http | 777 | tcp | Multiling HTTP |
| multiling-http | 777 | udp | Multiling HTTP |
| wpgs | 780 | tcp | |
| wpgs | 780 | udp | |
| mdbs_daemon | 800 | tcp | |
| mdbs_daemon | 800 | udp | |
| device | 801 | tcp | |
| device | 801 | udp | |
| fcp-udp | 810 | tcp | FCP |
| fcp-udp | 810 | udp | FCP Datagram |
| itm-mcell-s | 828 | tcp | itm-mcell-s |
| itm-mcell-s | 828 | udp | itm-mcell-s |
| pkix-3-ca-ra | 829 | tcp | PKIX-3 CA/RA |
| pkix-3-ca-ra | 829 | udp | PKIX-3 CA/RA |
| dhcp-failover2 | 847 | tcp | dhcp-failover 2 |
| dhcp-failover2 | 847 | udp | dhcp-failover 2 |
| rsync | 873 | tcp | rsync |
| rsync | 873 | udp | rsync |
| iclcnet-locate | 886 | tcp | ICL coNETion locate server |
| iclcnet-locate | 886 | udp | ICL coNETion locate server |
| iclcnet_svinfo | 887 | tcp | ICL coNETion server info |
| iclcnet_svinfo | 887 | udp | ICL coNETion server info |
| accessbuilder | 888 | tcp | AccessBuilder |
| accessbuilder | 888 | udp | AccessBuilder |
| cddbp | 888 | tcp | CD Database Protocol |
| omginitialrefs | 900 | tcp | OMG Initial Refs |
| omginitialrefs | 900 | udp | OMG Initial Refs |
| smpnameres | 901 | tcp | SMPNAMERES |
| smpnameres | 901 | udp | SMPNAMERES |
| ideafarm-chat | 902 | tcp | IDEAFARM-CHAT |
| ideafarm-chat | 902 | udp | IDEAFARM-CHAT |
| ideafarm-catch | 903 | tcp | IDEAFARM-CATCH |
| ideafarm-catch | 903 | udp | IDEAFARM-CATCH |
| xact-backup | 911 | tcp | xact-backup |
| xact-backup | 911 | udp | xact-backup |
| apex-mesh | 912 | tcp | APEX relay-relay service |
| apex-mesh | 912 | udp | APEX relay-relay service |
| apex-edge | 913 | tcp | APEX endpoint-relay service |
| apex-edge | 913 | udp | APEX endpoint-relay service |
| ftps-data | 989 | tcp | "ftp protocol, data, over TLS/SSL" |
| ftps-data | 989 | udp | "ftp protocol, data, over TLS/SSL" |
| ftps | 990 | tcp | "ftp protocol, control, over TLS/SSL" |
| ftps | 990 | udp | "ftp protocol, control, over TLS/SSL" |
| nas | 991 | tcp | Netnews Administration System |
| nas | 991 | udp | Netnews Administration System |
| telnets | 992 | tcp | telnet protocol over TLS/SSL |
| telnets | 992 | udp | telnet protocol over TLS/SSL |
| imaps | 993 | tcp | imap4 protocol over TLS/SSL |
| imaps | 993 | udp | imap4 protocol over TLS/SSL |
| ircs | 994 | tcp | irc protocol over TLS/SSL |
| ircs | 994 | udp | irc protocol over TLS/SSL |
| pop3s | 995 | tcp | pop3 protocol over TLS/SSL (was spop3) |
| pop3s | 995 | udp | pop3 protocol over TLS/SSL (was spop3) |
| vsinet | 996 | tcp | vsinet |
| vsinet | 996 | udp | vsinet |
| maitrd | 997 | tcp | |
| maitrd | 997 | udp | |
| busboy | 998 | tcp | |
| puparp | 998 | udp | |
| applix | 999 | udp | Applix ac |
| garcon | 999 | tcp | |
| cadlock2 | 1000 | tcp | |
| cadlock2 | 1000 | udp | |
| surf | 1010 | tcp | surf |
| surf | 1010 | udp | surf |
| 1023 | tcp | Reserved |
| 1023 | udp | Reserved |
