WELL KNOWN PORT NUMBERS
<Source:Notes> <Author> 
If you don't find what you were expecting or hoping for please provide <Comments or additions> 

Italics indicates that a protocol is rare or non-existant.


0/tcp Reserved 
0/udp Reserved 
tcpmux 1/tcp TCP Port Service Multiplexer 
compressnet 2/tcp Management Utility 
compressnet 3/tcp Compression Process 
rje 5/tcp Remote Job Entry 
echo 7/tcp Echo 
echo 7/udp Echo 
discard 9/tcp Discard 
discard 9/udp Discard 
systat 11/tcp Active Users 
daytime 13/tcp Daytime 
daytime 13/udp Daytime 
qotd 17/tcp Quote of the Day 
qotd 17/udp Quote of the Day 
rwrite 18/tcp RWP rwrite 
rwrite 18/udp RWP rwrite 
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 21/tcp File Transfer [Control] 
telnet 23/tcp Telnet 
24/tcp any private mail system 
24/udp any private mail system 
smtp 25/tcp 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/udp Resource Location Protocol 
graphics 41/tcp Graphics 
graphics 41/udp Graphics 
nameserver 42/udp Host Name Server 
nicname 43/tcp Who Is 
mpm-flags 44/tcp MPM FLAGS Protocol 
mpm 45/tcp Message Processing Module [recv] 
mpm-snd 46/tcp 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 
login 49/tcp Login Host Protocol 
re-mail-ck 50/tcp Remote Mail Checking Protocol 
re-mail-ck 50/udp Remote Mail Checking Protocol 
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 
covia 64/tcp Communications Integrator (CI) 
tacacs-ds 65/tcp TACACS-Database Service 
sql*net 66/tcp Oracle SQL*NET 
bootps 67/udp Bootstrap Protocol Server 
bootpc 68/udp Bootstrap Protocol Client 
tftp 69/udp Trivial File Transfer 
gopher 70/tcp 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 
http 80/tcp World Wide Web HTTP 
www-http 80/tcp 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 
87/tcp any private terminal link 
87/udp any private terminal link 
kerberos 88/tcp Kerberos 
su-mit-tg 89/tcp SU/MIT Telnet Gateway 
dnsix 90/tcp DNSIX Securit Attribute Token Map 
mit-dov 91/tcp 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 
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 
iso-tsap 102/udp ISO-TSAP Class 0 
gppitnp 103/tcp Genesis Point-to-Point Trans Net 
gppitnp 103/udp Genesis Point-to-Point Trans Net 
acr-nema 104/tcp ACR-NEMA Digital Imag. & Comm. 300 
csnet-ns 105/tcp Mailbox Name Nameserver 
csnet-ns 105/udp Mailbox Name Nameserver 
3com-tsmux 106/tcp 3COM-TSMUX 
3com-tsmux 106/udp 3COM-TSMUX 
poppassd 106/tcp Password Server 
rtelnet 107/tcp Remote Telnet Service 
snagas 108/tcp SNA Gateway Access Server 
pop2 109/tcp Post Office Protocol - Version 2 
pop3 110/tcp 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 
auth 113/tcp Authentication Service 
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 
sqlserv 118/tcp SQL Services 
sqlserv 118/udp SQL Services 
nntp 119/tcp 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 
unitary 126/tcp Unisys Unitary Login 
unitary 126/udp Unisys Unitary Login 
locus-con 127/tcp 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 
loc-srv 135/tcp Location Service 
loc-srv 135/udp Location Service 
profile 136/tcp 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 
imap2 143/tcp Interactive Mail Access Protocol v2 
news 144/tcp NewS 
news 144/udp NewS 
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 
cronus 148/tcp CRONUS-SUPPORT 
cronus 148/udp CRONUS-SUPPORT 
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 
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 
knet-cmp 157/tcp KNET/VM Command/Message Protocol 
pcmail-srv 158/tcp 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/udp SNMP 
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 
smip-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/udp X Display Manager Control Protocol 
nextstep 178/tcp NextStep Window Server 
NextStep 178/udp NextStep Window Server 
bgp 179/tcp 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 
gacp 190/tcp Gateway Access Control Protocol 
cacp 190/udp Gateway Access Control Protocol 
prospero 191/tcp 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/udp Internet Relay Chat Protocol 
dn6-nlm-aud 195/tcp DNSIX Network Level Module Audit 
dn6-smm-red 196/tcp 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 
tam 209/tcp Trivial Authenticated Mail Protocol 
tam 209/udp Trivial Authenticated Mail 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 
atls 216/tcp Access Technology 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 
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 
sur-meas 243/tcp Survey Measurement 
sur-meas 243/udp Survey Measurement 
link 245/tcp LINK 
link 245/udp LINK 
dsp3270 246/tcp Display Systems Protocol 
dsp3270 246/udp Display Systems Protocol 
pdap 344/tcp Prospero Data Access Protocol 
pawserv 345/tcp Perf Analysis Workbench 
pawserv 345/udp Perf Analysis Workbench 
zserv 346/tcp Zebra server 
fatserv 347/tcp Fatmen Server 
csi-sgwp 348/tcp Cabletron Management Protocol 
csi-sgwp 348/udp Cabletron Management Protocol 
clearcase 371/tcp Clearcase 
clearcase 371/udp Clearcase 
ulistserv 372/tcp Unix Listserv 
ulistserv 372/udp Unix Listserv 
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 
is99s 380/tcp 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/tcp 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 Version 4 
unidata-ldm 388/udp Unidata LDM Version 4 
ldap 389/tcp 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 
dis 393/tcp Data Interpretation System 
dis 393/udp Data Interpretation System 
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-TSAP Class 2 
iso-tsap-c2 399/udp ISO-TSAP Class 2 
work-sol 400/tcp Workstation Solutions 
work-sol 400/udp Workstation Solutions 
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 
prm-sm 408/tcp Prospero Resource Manager Sys. Man. 
prm-nm 409/tcp Prospero Resource Manager Node Man. 
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 SMSP 
smsp 413/udp SMSP 
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 
ariel1 419/tcp Ariel 
smpte 420/udp SMPTE 
ariel2 421/tcp Ariel 
ariel3 422/tcp Ariel 
opc-job-start 423/tcp IBM Operations Planning and Control Start 
opc-job-track 424/tcp IBM Operations Planning and Control Track 
icad-el 425/tcp 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 
mobilip-mn 435/tcp 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 
cvc_hostd 442/tcp cvc_hostd 
cvc_hostd 442/udp cvc_hostd 
https 443/tcp https MCom 
snpp 444/tcp Simple Network Paging Protocol 
snpp 444/udp Simple Network Paging Protocol 
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-byte 448/tcp DDM-BYTE 
ddm-byte 448/udp DDM-BYTE 
as-servermap 449/tcp AS Server Mapper 
as-servermap 449/udp AS Server Mapper 
tserver 450/tcp TServer 
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 
exec 512/tcp remote process execution; 
biff 512/udp used by mail system to notify users 
login 513/tcp remote login a la telnet; 
who 513/udp maintains data bases showing who's 
cmd 514/tcp like exec, but automatic 
syslog 514/udp 
printer 515/tcp spooler 
talk 517/udp 
ntalk 518/tcp 
utime 519/tcp unixtime 
utime 519/udp unixtime 
efs 520/tcp extended file name server 
router 520/udp local routing process (on site); 
timed 525/tcp timeserver 
timed 525/udp timeserver 
tempo 526/tcp newdate 
tempo 526/udp newdate 
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 
apertus-ldp 539/tcp Apertus Technologies Load Determination 
apertus-ldp 539/udp Apertus Technologies Load Determination 
uucp 540/tcp uucpd 
uucp-rlogin 541/tcp uucp-rlogin 
uucp-rlogin 541/udp uucp-rlogin 
klogin 543/tcp 
klogin 543/udp 
kshell 544/tcp krcmd 
kshell 544/udp krcmd 
appleqtcsrvr 545/tcp appleqtcsrvr 
appleqtcsrvr 545/udp appleqtcsrvr 
new-rwho 550/tcp new-who 
new-rwho 550/udp new-who 
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 
9pfs 564/tcp plan 9 file service 
9pfs 564/udp plan 9 file service 
whoami 565/tcp whoami 
whoami 565/udp whoami 
meter 570/tcp demon 
meter 570/udp demon 
meter 571/tcp udemon 
meter 571/udp udemon 
ipcserver 600/tcp Sun IPC server 
ipcserver 600/udp Sun IPC server 
nqs 607/tcp nqs 
nqs 607/udp nqs 
urm 606/tcp Cray Unified Resource Manager 
urm 606/udp Cray Unified Resource Manager 
sift-uft 608/tcp 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 
ginad 634/tcp ginad 
ginad 634/udp ginad 
mdqs 666/tcp 
mdqs 666/udp 
doom 666/tcp doom Id Software 
elcsd 704/tcp errlog copy/server daemon 
elcsd 704/udp errlog copy/server daemon 
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 
rfile 750/tcp 
loadav 750/udp 
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 
submit 773/tcp 
notify 773/udp 
rpasswd 774/tcp 
acmaint_dbd 774/udp 
entomb 775/tcp 
acmaint_transd 775/udp 
wpages 776/tcp 
wpages 776/udp 
wpgs 780/tcp 
wpgs 780/udp 
concert 786/tcp Concert 
concert 786/udp Concert 
mdbs_daemon 800/tcp 
mdbs_daemon 800/udp 
device 801/tcp 
device 801/udp 
accessbuilder 888/tcp AccessBuilder 
accessbuilder 888/udp AccessBuilder 
xtreelic 996/tcp Central Point Software 
xtreelic 996/udp Central Point Software 
maitrd 997/tcp 
maitrd 997/udp 
busboy 998/tcp 
puparp 998/udp 
garcon 999/tcp 
applix 999/udp Applix ac 
puprouter 999/tcp 
puprouter 999/udp 
cadlock 1000/tcp 
ock 1000/udp 
1023/tcp Reserved 
1024/udp Reserved 
For information about ports greater than 1024 see the list of REGISTERED PORT NUMBERS 
REFERENCES
[RFC768] Postel, J., "User Datagram Protocol", STD 6, RFC 768, USC/Information Sciences Institute, August 1980.
[RFC793]Postel, J., ed., "Transmission Control Protocol - DARPA Internet Program Protocol Specification", STD 7, RFC 793, USC/Information Sciences Institute, September 1981. 


Registered Port Numbers
<Source:Notes> <Author> <Comments or additions> 
Italics indicates that a protocol is rare or non-existant.


REGISTERED PORT NUMBERS
The Registered Ports are not controlled by the IANA and on most systems can be used by ordinary user processes or programs executed by ordinary users.
Ports are used in the TCP [RFC793] to name the ends of logical connections which carry long term conversations. For the purpose of providing services to unknown callers, a service contact port is defined. This list specifies the port used by the server process as its contact port. While the IANA can not control uses of these ports it does register or list uses of these ports as a convienence to the community.

To the extent possible, these same port assignments are used with the UDP [RFC768].

The Registered Ports are in the range 1024-65535.


Port Assignments:
1024/tcp Reserved 
1024/udp Reserved 
blackjack 1025/tcp network blackjack 
blackjack 1025/udp network blackjack 
iad1 1030/tcp BBN IAD 
iad1 1030/udp BBN IAD 
iad2 1031/tcp BBN IAD 
iad2 1031/udp BBN IAD 
iad3 1032/tcp BBN IAD 
iad3 1032/udp BBN IAD 
nim 1058/tcp nim 
nim 1058/udp nim 
nimreg 1059/tcp nimreg 
nimreg 1059/udp nimreg 
instl_boots 1067/tcp Installation Bootstrap Proto. Serv. 
instl_boots 1067/udp Installation Bootstrap Proto. Serv. 
instl_bootc 1068/tcp Installation Bootstrap Proto. Cli. 
instl_bootc 1068/udp Installation Bootstrap Proto. Cli. 
socks 1080/tcp Socks 
socks 1080/udp Socks 
ansoft-lm-1 1083/tcp Anasoft License Manager 
ansoft-lm-1 1083/udp Anasoft License Manager 
ansoft-lm-2 1084/tcp Anasoft License Manager 
ansoft-lm-2 1084/udp Anasoft License Manager 
nfsd-status 1110/tcp Cluster status info 
nfsd-keepalive 1110/udp Client status info 
nfa 1155/tcp Network File Access 
nfa 1155/udp Network File Access 
lupa 1212/tcp lupa 
lupa 1212/udp lupa 
nerv 1222/tcp SNI R&D network 
nerv 1222/udp SNI R&D network 
hermes 1248/tcp 
hermes 1248/udp 
alta-ana-lm 1346/tcp Alta Analytics License Manager 
alta-ana-lm 1346/udp Alta Analytics License Manager 
bbn-mmc 1347/tcp multi media conferencing 
bbn-mmc 1347/udp multi media conferencing 
bbn-mmx 1348/tcp multi media conferencing 
bbn-mmx 1348/udp multi media conferencing 
sbook 1349/tcp Registration Network Protocol 
sbook 1349/udp Registration Network Protocol 
editbench 1350/tcp Registration Network Protocol 
editbench 1350/udp Registration Network Protocol 
equationbuilder 1351/tcp Digital Tool Works (MIT) 
equationbuilder 1351/udp Digital Tool Works (MIT) 
lotusnote 1352/tcp Lotus Note 
relief 1353/tcp Relief Consulting 
relief 1353/udp Relief Consulting 
rightbrain 1354/tcp RightBrain Software 
rightbrain 1354/udp RightBrain Software 
intuitive edge 1355/tcp Intuitive Edge 
intuitive edge 1355/udp Intuitive Edge 
cuillamartin 1356/tcp CuillaMartin Company 
cuillamartin 1356/udp CuillaMartin Company 
pegboard 1357/tcp Electronic PegBoard 
pegboard 1357/udp Electronic PegBoard 
connlcli 1358/tcp CONNLCLI 
connlcli 1358/udp CONNLCLI 
ftsrv 1359/tcp FTSRV 
ftsrv 1359/udp FTSRV 
mimer 1360/tcp MIMER 
mimer 1360/udp MIMER 
linx 1361/tcp LinX 
linx 1361/udp LinX 
timeflies 1362/tcp TimeFlies 
timeflies 1362/udp TimeFlies 
ndm-requester 1363/tcp Network DataMover Requester 
ndm-requester 1363/udp Network DataMover Requester 
ndm-server 1364/tcp Network DataMover Server 
ndm-server 1364/udp Network DataMover Server 
adapt-sna 1365/tcp Network Software Associates 
adapt-sna 1365/udp Network Software Associates 
netware-csp 1366/tcp Novell NetWare Comm Service Platform 
netware-csp 1366/udp Novell NetWare Comm Service Platform 
dcs 1367/tcp DCS 
dcs 1367/udp DCS 
screencast 1368/tcp ScreenCast 
screencast 1368/udp ScreenCast 
gv-us 1369/tcp GlobalView to Unix Shell 
gv-us 1369/udp GlobalView to Unix Shell 
us-gv 1370/tcp Unix Shell to GlobalView 
us-gv 1370/udp Unix Shell to GlobalView 
fc-cli 1371/tcp Fujitsu Config Protocol 
fc-cli 1371/udp Fujitsu Config Protocol 
fc-ser 1372/tcp Fujitsu Config Protocol 
fc-ser 1372/udp Fujitsu Config Protocol 
chromagrafx 1373/tcp Chromagrafx 
chromagrafx 1373/udp Chromagrafx 
molly 1374/tcp EPI Software Systems 
molly 1374/udp EPI Software Systems 
bytex 1375/tcp Bytex 
bytex 1375/udp Bytex 
ibm-pps 1376/tcp IBM Person to Person Software 
ibm-pps 1376/udp IBM Person to Person Software 
cichlid 1377/tcp Cichlid License Manager 
cichlid 1377/udp Cichlid License Manager 
elan 1378/tcp Elan License Manager 
dbreporter 1379/tcp Integrity Solutions 
dbreporter 1379/udp Integrity Solutions 
telesis-licman 1380/tcp Telesis Network License Manager 
telesis-licman 1380/udp Telesis Network License Manager 
apple-licman 1381/tcp Apple Network License Manager 
apple-licman 1381/udp Apple Network License Manager 
udt_os 1382/tcp 
udt_os 1382/udp 
gwha 1383/tcp GW Hannaway Network License Manager 
gwha 1383/udp GW Hannaway Network License Manager 
os-licman 1384/tcp Objective Solutions License Manager 
os-licman 1384/udp Objective Solutions License Manager 
atex_elmd 1385/tcp Atex Publishing License Manager 
atex_elmd 1385/udp Atex Publishing License Manager 
checksum 1386/tcp CheckSum License Manager 
checksum 1386/udp CheckSum License Manager 
cadsi-lm 1387/tcp Computer Aided Design Software Inc LM 
cadsi-lm 1387/udp Computer Aided Design Software Inc LM 
objective-dbc 1388/tcp Objective Solutions DataBase Cache 
objective-dbc 1388/udp Objective Solutions DataBase Cache 
iclpv-dm 1389/tcp Document Manager 
iclpv-dm 1389/udp Document Manager 
iclpv-sc 1390/tcp Storage Controller 
iclpv-sc 1390/udp Storage Controller 
iclpv-sas 1391/tcp Storage Access Server 
iclpv-sas 1391/udp Storage Access Server 
iclpv-pm 1392/tcp Print Manager 
iclpv-pm 1392/udp Print Manager 
iclpv-nls 1393/tcp Network Log Server 
iclpv-nls 1393/udp Network Log Server 
iclpv-nlc 1394/tcp Network Log Client 
iclpv-nlc 1394/udp Network Log Client 
iclpv-wsm 1395/tcp PC Workstation Manager software 
iclpv-wsm 1395/udp PC Workstation Manager software 
dvl-activemail 1396/tcp DVL Active Mail 
dvl-activemail 1396/udp DVL Active Mail 
audio-activmail 1397/tcp Audio Active Mail 
audio-activmail 1397/udp Audio Active Mail 
video-activmail 1398/tcp Video Active Mail 
video-activmail 1398/udp Video Active Mail 
cadkey-licman 1399/tcp Cadkey License Manager 
cadkey-licman 1399/udp Cadkey License Manager 
cadkey-tablet 1400/tcp Cadkey Tablet Daemon 
cadkey-tablet 1400/udp Cadkey Tablet Daemon 
goldleaf-licman 1401/tcp Goldleaf License Manager 
goldleaf-licman 1401/udp Goldleaf License Manager 
prm-sm-np 1402/tcp Prospero Resource Manager 
prm-nm-np 1403/tcp Prospero Resource Manager 
igi-lm 1404/tcp Infinite Graphics License Manager 
igi-lm 1404/udp Infinite Graphics License Manager 
ibm-res 1405/tcp IBM Remote Execution Starter 
ibm-res 1405/udp IBM Remote Execution Starter 
netlabs-lm 1406/tcp NetLabs License Manager 
netlabs-lm 1406/udp NetLabs License Manager 
dbsa-lm 1407/tcp DBSA License Manager 
dbsa-lm 1407/udp DBSA License Manager 
sophia-lm 1408/tcp Sophia License Manager 
sophia-lm 1408/udp Sophia License Manager 
here-lm 1409/tcp Here License Manager 
here-lm 1409/udp Here License Manager 
hiq 1410/tcp HiQ License Manager 
hiq 1410/udp HiQ License Manager 
af 1411/tcp AudioFile 
af 1411/udp AudioFile 
innosys 1412/tcp InnoSys 
innosys 1412/udp InnoSys 
innosys-acl 1413/tcp Innosys-ACL 
innosys-acl 1413/udp Innosys-ACL 
ibm-mqseries 1414/tcp IBM MQSeries 
ibm-mqseries 1414/udp IBM MQSeries 
dbstar 1415/tcp DBStar 
dbstar 1415/udp DBStar 
novell-lu6.2 1416/tcp Novell LU6.2 
novell-lu6.2 1416/udp Novell LU6.2 
timbuktu-srv1 1417/tcp Timbuktu Service 1 Port 
timbuktu-srv2 1418/tcp Timbuktu Service 2 Port 
timbuktu-srv3 1419/tcp Timbuktu Service 3 Port 
timbuktu-srv4 1420/tcp Timbuktu Service 4 Port 
gandalf-lm 1421/tcp Gandalf License Manager 
gandalf-lm 1421/udp Gandalf License Manager 
autodesk-lm 1422/tcp Autodesk License Manager 
autodesk-lm 1422/udp Autodesk License Manager 
essbase 1423/tcp Essbase Arbor Software 
essbase 1423/udp Essbase Arbor Software 
hybrid 1424/tcp Hybrid Encryption Protocol 
hybrid 1424/udp Hybrid Encryption Protocol 
zion-lm 1425/tcp Zion Software License Manager 
zion-lm 1425/udp Zion Software License Manager 
sas-1 1426/tcp Satellite-data Acquisition System 1 
sas-1 1426/udp Satellite-data Acquisition System 1 
mloadd 1427/tcp mloadd monitoring tool 
mloadd 1427/udp mloadd monitoring tool 
informatik-lm 1428/tcp Informatik License Manager 
informatik-lm 1428/udp Informatik License Manager 
nms 1429/tcp Hypercom NMS 
nms 1429/udp Hypercom NMS 
tpdu 1430/tcp Hypercom TPDU 
tpdu 1430/udp Hypercom TPDU 
rgtp 1431/tcp Reverse Gossip Transport 
rgtp 1431/udp Reverse Gossip Transport 
blueberry-lm 1432/tcp Blueberry Software License Manager 
blueberry-lm 1432/udp Blueberry Software License Manager 
ms-sql-s 1433/tcp Microsoft-SQL-Server 
ms-sql-m 1434/tcp Microsoft-SQL-Monitor 
ms-sql-m 1434/udp Microsoft-SQL-Monitor 
ibm-cics 1435/tcp IBM CISC 
ibm-cics 1435/udp IBM CISC 
sas-2 1436/tcp Satellite-data Acquisition System 2 
sas-2 1436/udp Satellite-data Acquisition System 2 
tabula 1437/tcp Tabula 
tabula 1437/udp Tabula 
eicon-server 1438/tcp Eicon Security Agent/Server 
eicon-server 1438/udp Eicon Security Agent/Server 
eicon-x25 1439/tcp Eicon X25/SNA Gateway 
eicon-x25 1439/udp Eicon X25/SNA Gateway 
eicon-slp 1440/tcp Eicon Service Location Protocol 
eicon-slp 1440/udp Eicon Service Location Protocol 
cadis-1 1441/tcp Cadis License Management 
cadis-1 1441/udp Cadis License Management 
cadis-2 1442/tcp Cadis License Management 
cadis-2 1442/udp Cadis License Management 
ies-lm 1443/tcp Integrated Engineering Software 
ies-lm 1443/udp Integrated Engineering Software 
marcam-lm 1444/tcp Marcam License Management 
marcam-lm 1444/udp Marcam License Management 
proxima-lm 1445/tcp Proxima License Manager 
proxima-lm 1445/udp Proxima License Manager 
ora-lm 1446/tcp Optical Research Associates License Manager 
ora-lm 1446/udp Optical Research Associates License Manager 
apri-lm 1447/tcp Applied Parallel Research LM 
apri-lm 1447/udp Applied Parallel Research LM 
oc-lm 1448/tcp OpenConnect License Manager 
oc-lm 1448/udp OpenConnect License Manager 
peport 1449/tcp PEport 
peport 1449/udp PEport 
dwf 1450/tcp Tandem Distributed Workbench Facility 
dwf 1450/udp Tandem Distributed Workbench Facility 
infoman 1451/tcp IBM Information Management 
infoman 1451/udp IBM Information Management 
gtegsc-lm 1452/tcp GTE Government Systems License Man 
gtegsc-lm 1452/udp GTE Government Systems License Man 
genie-lm 1453/tcp Genie License Manager 
genie-lm 1453/udp Genie License Manager 
interhdl_elmd 1454/tcp interHDL License Manager 
interhdl_elmd 1454/tcp interHDL License Manager 
esl-lm 1455/tcp ESL License Manager 
esl-lm 1455/udp ESL License Manager 
dca 1456/tcp DCA 
dca 1456/udp DCA 
valisys-lm 1457/tcp Valisys License Manager 
valisys-lm 1457/udp Valisys License Manager 
nrcabq-lm 1458/tcp Nichols Research Corp. 
nrcabq-lm 1458/udp Nichols Research Corp. 
proshare1 1459/tcp Proshare Notebook Application 
proshare1 1459/udp Proshare Notebook Application 
proshare2 1460/tcp Proshare Notebook Application 
proshare2 1460/udp Proshare Notebook Application 
ibm_wrless_lan 1461/tcp IBM Wireless LAN 
ibm_wrless_lan 1461/udp IBM Wireless LAN 
world-lm 1462/tcp World License Manager 
world-lm 1462/udp World License Manager 
nucleus 1463/tcp Nucleus 
nucleus 1463/udp Nucleus 
msl_lmd 1464/tcp MSL License Manager 
msl_lmd 1464/udp MSL License Manager 
pipes 1465/tcp Pipes Platform 
pipes 1465/udp Pipes Platform mfarlin@peerlogic.com 
oceansoft-lm 1466/tcp Ocean Software License Manager 
oceansoft-lm 1466/udp Ocean Software License Manager 
csdmbase 1467/tcp CSDMBASE 
csdmbase 1467/udp CSDMBASE 
csdm 1468/tcp CSDM 
csdm 1468/udp CSDM 
aal-lm 1469/tcp Active Analysis Limited License Manager 
aal-lm 1469/udp Active Analysis Limited License Manager 
uaiact 1470/tcp Universal Analytics 
uaiact 1470/udp Universal Analytics 
csdmbase 1471/tcp csdmbase 
csdmbase 1471/udp csdmbase 
csdm 1472/tcp csdm 
csdm 1472/udp csdm 
openmath 1473/tcp OpenMath 
openmath 1473/udp OpenMath 
telefinder 1474/tcp Telefinder 
telefinder 1474/udp Telefinder 
taligent-lm 1475/tcp Taligent License Manager 
taligent-lm 1475/udp Taligent License Manager 
clvm-cfg 1476/tcp clvm-cfg 
clvm-cfg 1476/udp clvm-cfg 
ms-sna-server 1477/tcp ms-sna-server 
ms-sna-base 1478/tcp ms-sna-base 
ms-sna-base 1478/udp ms-sna-base 
dberegister 1479/tcp dberegister 
dberegister 1479/udp dberegister 
pacerforum 1480/tcp PacerForum 
pacerforum 1480/udp PacerForum 
airs 1481/tcp AIRS 
airs 1481/udp AIRS 
miteksys-lm 1482/tcp Miteksys License Manager 
miteksys-lm 1482/udp Miteksys License Manager 
afs 1483/tcp AFS License Manager 
afs 1483/udp AFS License Manager 
confluent 1484/tcp Confluent License Manager 
confluent 1484/udp Confluent License Manager 
lansource 1485/tcp LANSource 
lansource 1485/udp LANSource 
nms_topo_serv 1486/tcp nms_topo_serv 
nms_topo_serv 1486/udp nms_topo_serv 
localinfosrvr 1487/tcp LocalInfoSrvr 
localinfosrvr 1487/udp LocalInfoSrvr 
docstor 1488/tcp DocStor 
docstor 1488/udp DocStor 
dmdocbroker 1489/tcp dmdocbroker 
dmdocbroker 1489/udp dmdocbroker 
insitu-conf 1490/tcp insitu-conf 
insitu-conf 1490/udp insitu-conf 
anynetgateway 1491/tcp anynetgateway 
anynetgateway 1491/udp anynetgateway 
stone-design-1 1492/tcp stone-design-1 
stone-design-1 1492/udp stone-design-1 
netmap_lm 1493/tcp netmap_lm 
netmap_lm 1493/udp netmap_lm 
ica 1494/tcp ica 
ica 1494/udp ica 
cvc 1495/tcp cvc 
cvc 1495/udp cvc 
liberty-lm 1496/tcp liberty-lm 
liberty-lm 1496/udp liberty-lm 
rfx-lm 1497/tcp rfx-lm 
rfx-lm 1497/udp rfx-lm 
watcom-sql 1498/tcp Watcom-SQL 
watcom-sql 1498/udp Watcom-SQL 
fhc 1499/tcp Federico Heinz Consultora 
fhc 1499/udp Federico Heinz Consultora 
vlsi-lm 1500/tcp VLSI License Manager 
vlsi-lm 1500/udp VLSI License Manager 
sas-3 1501/tcp Satellite-data Acquisition System 3 
sas-3 1501/udp Satellite-data Acquisition System 3 
shivadiscovery 1502/tcp Shiva 
shivadiscovery 1502/udp Shiva 
imtc-mcs 1503/tcp Databeam 
imtc-mcs 1503/udp Databeam 
evb-elm 1504/tcp EVB Software Engineering License Manager 
evb-elm 1504/udp EVB Software Engineering License Manager 
funkproxy 1505/tcp Funk Software, Inc. 
funkproxy 1505/udp Funk Software, Inc. 
utcd 1506/tcp Universal Time daemon (utcd) 
utcd 1506/udp Universal Time daemon (utcd) 
symplex 1507/tcp symplex 
symplex 1507/udp symplex 
diagmond 1508/tcp diagmond 
diagmond 1508/udp diagmond 
robcad-lm 1509/tcp Robcad, Ltd. License Manager 
robcad-lm 1509/udp Robcad, Ltd. License Manager 
mvx-lm 1510/tcp Midland Valley Exploration Ltd. Lic. Man. 
mvx-lm 1510/udp Midland Valley Exploration Ltd. Lic. Man. 
3l-l1 1511/tcp 3l-l1 
3l-l1 1511/udp 3l-l1 
wins 1512/tcp Microsoft's Windows Internet Name Service 
wins 1512/udp Microsoft's Windows Internet Name Service 
fujitsu-dtc 1513/tcp Fujitsu DTC 
fujitsu-dtc 1513/udp Fujitsu DTC 
fujitsu-dtcns 1514/tcp Fujitsu DTCNS 
fujitsu-dtcns 1514/udp Fujitsu DTCNS 
ifor-protocol 1515/tcp ifor-protocol 
ifor-protocol 1515/udp ifor-protocol 
vpad 1516/tcp Virtual Places Audio data 
vpad 1516/udp Virtual Places Audio data 
vpac 1517/tcp Virtual Places Audio control 
vpac 1517/udp Virtual Places Audio control 
vpvd 1518/tcp Virtual Places Video data 
vpvd 1518/udp Virtual Places Video data 
vpvc 1519/tcp Virtual Places Video control 
vpvc 1519/udp Virtual Places Video control 
atm-zip-office 1520/tcp atm zip office 
atm-zip-office 1520/udp atm zip office 
ncube-lm 1521/tcp nCube License Manager 
ncube-lm 1521/udp nCube License Manager 
rna-lm 1522/tcp Ricardo North America License Manager 
rna-lm 1522/udp Ricardo North America License Manager 
cichild-lm 1523/tcp cichild 
cichild-lm 1523/udp cichild 
ingreslock 1524/tcp ingres 
ingreslock 1524/udp ingres 
orasrv 1525/tcp oracle 
orasrv 1525/udp oracle 
prospero-np 1525/tcp Prospero Directory Service non-priv 
pdap-np 1526/tcp Prospero Data Access Prot non-priv 
tlisrv 1527/tcp oracle 
tlisrv 1527/udp oracle 
mciautoreg 1528/tcp micautoreg 
mciautoreg 1528/udp micautoreg 
coauthor 1529/tcp oracle 
coauthor 1529/udp oracle 
rap-service 1530/tcp rap-service 
rap-service 1530/udp rap-service 
rap-listen 1531/tcp rap-listen 
rap-listen 1531/udp rap-listen 
miroconnect 1532/tcp miroconnect 
miroconnect 1532/udp miroconnect 
virtual-places 1533/tcp Virtual Places Software 
virtual-places 1533/udp Virtual Places Software 
micromuse-lm 1534/tcp micromuse-lm 
micromuse-lm 1534/udp micromuse-lm 
ampr-info 1535/tcp ampr-info 
ampr-info 1535/udp ampr-info 
ampr-inter 1536/tcp ampr-inter 
ampr-inter 1536/udp ampr-inter 
sdsc-lm 1537/tcp isi-lm 
sdsc-lm 1537/udp isi-lm 
3ds-lm 1538/tcp 3ds-lm 
3ds-lm 1538/udp 3ds-lm 
intellistor-lm 1539/tcp Intellistor License Manager 
intellistor-lm 1539/udp Intellistor License Manager 
rds 1540/tcp rds 
rds 1540/udp rds 
PortMaster 1541/tcp PortMaster for SSL 
rds2 1541/tcp rds2 
rds2 1541/udp rds2 
gridgen-elmd 1542/tcp gridgen-elmd 
gridgen-elmd 1542/udp gridgen-elmd 
simba-cs 1543/tcp simba-cs 
simba-cs 1543/udp simba-cs 
aspeclmd 1544/tcp aspeclmd 
aspeclmd 1544/udp aspeclmd 
vistium-share 1545/tcp vistium-share 
vistium-share 1545/udp vistium-share 
issd 1600/tcp 
issd 1600/udp 
nkd 1650/tcp 
nkd 1650/udp 
shiva_confsrvr 1651/tcp shiva_confsrvr 
shiva_confsrvr 1651/udp shiva_confsrvr 
xnmp 1652/tcp xnmp 
xnmp 1652/udp xnmp 
netview-aix-1 1661/tcp netview-aix-1 
netview-aix-1 1661/udp netview-aix-1 
netview-aix-2 1662/tcp netview-aix-2 
netview-aix-2 1662/udp netview-aix-2 
netview-aix-3 1663/tcp netview-aix-3 
netview-aix-3 1663/udp netview-aix-3 
netview-aix-4 1664/tcp netview-aix-4 
netview-aix-4 1664/udp netview-aix-4 
netview-aix-5 1665/tcp netview-aix-5 
netview-aix-5 1665/udp netview-aix-5 
netview-aix-6 1666/tcp netview-aix-6 
netview-aix-6 1666/udp netview-aix-6 
netview-aix-7 1667/tcp netview-aix-7 
netview-aix-7 1667/udp netview-aix-7 
netview-aix-8 1668/tcp netview-aix-8 
netview-aix-8 1668/udp netview-aix-8 
netview-aix-9 1669/tcp netview-aix-9 
netview-aix-9 1669/udp netview-aix-9 
netview-aix-10 1670/tcp netview-aix-10 
netview-aix-10 1670/udp netview-aix-10 
netview-aix-11 1671/tcp netview-aix-11 
netview-aix-11 1671/udp netview-aix-11 
netview-aix-12 1672/tcp netview-aix-12 
netview-aix-12 1672/udp netview-aix-12 
licensedaemon 1986/tcp cisco license management 
licensedaemon 1986/udp cisco license management 
tr-rsrb-p1 1987/tcp cisco RSRB Priority 1 port 
tr-rsrb-p1 1987/udp cisco RSRB Priority 1 port 
tr-rsrb-p2 1988/tcp cisco RSRB Priority 2 port 
tr-rsrb-p2 1988/udp cisco RSRB Priority 2 port 
tr-rsrb-p3 1989/tcp cisco RSRB Priority 3 port 
tr-rsrb-p3 1989/udp cisco RSRB Priority 3 port 
mshnet 1989/tcp MHSnet system 
mshnet 1989/udp MHSnet system 
stun-p1 1990/tcp cisco STUN Priority 1 port 
stun-p1 1990/udp cisco STUN Priority 1 port 
stun-p2 1991/tcp cisco STUN Priority 2 port 
stun-p2 1991/udp cisco STUN Priority 2 port 
stun-p3 1992/tcp cisco STUN Priority 3 port 
stun-p3 1992/udp cisco STUN Priority 3 port 
ipsendmsg 1992/tcp IPsendmsg 
ipsendmsg 1992/udp IPsendmsg 
snmp-tcp-port 1993/tcp cisco SNMP TCP port 
snmp-tcp-port 1993/udp cisco SNMP TCP port 
stun-port 1994/tcp cisco serial tunnel port 
stun-port 1994/udp cisco serial tunnel port 
perf-port 1995/tcp cisco perf port 
perf-port 1995/udp cisco perf port 
tr-rsrb-port 1996/tcp cisco Remote SRB port 
tr-rsrb-port 1996/udp cisco Remote SRB port 
gdp-port 1997/tcp cisco Gateway Discovery Protocol 
gdp-port 1997/udp cisco Gateway Discovery Protocol 
x25-svc-port 1998/tcp cisco X.25 service (XOT) 
x25-svc-port 1998/udp cisco X.25 service (XOT) 
tcp-id-port 1999/tcp cisco identification port 
tcp-id-port 1999/udp cisco identification port 
callbook 2000/tcp 
callbook 2000/udp 
dc 2001/tcp 
wizard 2001/udp curry 
globe 2002/tcp 
globe 2002/udp 
mailbox 2004/tcp 
emce 2004/udp CCWS mm conf 
berknet 2005/tcp 
oracle 2005/udp 
invokator 2006/tcp 
raid-cc 2006/udp raid 
dectalk 2007/tcp 
raid-am 2007/udp 
conf 2008/tcp 
terminaldb 2008/udp 
news 2009/tcp 
whosockami 2009/udp 
search 2010/tcp 
pipe_server 2010/udp 
raid-cc 2011/tcp raid 
servserv 2011/udp 
ttyinfo 2012/tcp 
raid-ac 2012/udp 
raid-am 2013/tcp 
raid-cd 2013/udp 
troff 2014/tcp 
raid-sf 2014/udp 
cypress 2015/tcp 
raid-cs 2015/udp 
bootserver 2016/tcp 
bootserver 2016/udp 
cypress-stat 2017/tcp 
bootclient 2017/udp 
terminaldb 2018/tcp 
rellpack 2018/udp 
whosockami 2019/tcp 
about 2019/udp 
xinupageserver 2020/tcp 
xinupageserver 2020/udp 
servexec 2021/tcp 
xinuexpansion1 2021/udp 
down 2022/tcp 
xinuexpansion2 2022/udp 
xinuexpansion3 2023/tcp 
xinuexpansion3 2023/udp 
xinuexpansion4 2024/tcp 
xinuexpansion4 2024/udp 
ellpack 2025/tcp 
xribs 2025/udp 
scrabble 2026/tcp 
scrabble 2026/udp 
shadowserver 2027/tcp 
shadowserver 2027/udp 
submitserver 2028/tcp 
submitserver 2028/udp 
device2 2030/tcp 
device2 2030/udp 
blackboard 2032/tcp 
blackboard 2032/udp 
glogger 2033/tcp 
glogger 2033/udp 
scoremgr 2034/tcp 
scoremgr 2034/udp 
imsldoc 2035/tcp 
imsldoc 2035/udp 
objectmanager 2038/tcp 
objectmanager 2038/udp 
lam 2040/tcp 
lam 2040/udp 
interbase 2041/tcp 
interbase 2041/udp 
isis 2042/tcp 
isis 2042/udp 
isis-bcast 2043/tcp 
isis-bcast 2043/udp 
rimsl 2044/tcp 
rimsl 2044/udp 
cdfunc 2045/tcp 
cdfunc 2045/udp 
sdfunc 2046/tcp 
sdfunc 2046/udp 
dls 2047/tcp 
dls 2047/udp 
dls-monitor 2048/tcp 
dls-monitor 2048/udp 
shilp 2049/tcp 
shilp 2049/udp 
dlsrpn 2065/tcp Data Link Switch Read Port Number 
dlswpn 2067/tcp Data Link Switch Write Port Number 
ats 2201/tcp Advanced Training System Program 
ats 2201/udp Advanced Training System Program 
ivs-video 2232/tcp IVS Video default 
ivs-video 2232/udp IVS Video default 
ivsd 2241/tcp IVS Daemon 
ivsd 2241/udp IVS Daemon 
rtsserv 2500/tcp Resource Tracking system server 
rtsserv 2500/udp Resource Tracking system server 
rtsclient 2501/tcp Resource Tracking system client 
rtsclient 2501/udp Resource Tracking system client 
hp-3000-telnet 2564/tcp HP 3000 NS/VT block mode telnet 
www-dev 2784/tcp world wide web - development 
www-dev 2784/udp world wide web - development 
NSWS 3049/tcp 
NSWS 3049/udp 
vmodem 3141/tcp VMODEM 
vmodem 3141/udp VMODEM 
ccmail 3264/tcp cc:mail/lotus 
ccmail 3264/udp cc:mail/lotus 
dec-notes 3333/tcp DEC Notes 
dec-notes 3333/udp DEC Notes 
mapper-nodemgr 3984/tcp MAPPER network node manager 
mapper-nodemgr 3984/udp MAPPER network node manager 
mapper-mapethd 3985/tcp MAPPER TCP/IP server 
mapper-mapethd 3985/udp MAPPER TCP/IP server 
mapper-ws_ethd 3986/tcp MAPPER workstation server 
mapper-ws_ethd 3986/udp MAPPER workstation server 
bmap 3421/tcp Bull Apprise portmapper 
bmap 3421/udp Bull Apprise portmapper 
prsvp 3455/tcp RSVP Port 
prsvp 3455/udp RSVP Port 
vat 3456/tcp VAT default data 
vat 3456/udp VAT default data 
vat-control 3457/tcp VAT default control 
vat-control 3457/udp VAT default control 
udt_os 3900/tcp Unidata UDT OS 
udt_os 3900/udp Unidata UDT OS 
netcheque 4008/tcp NetCheque accounting 
netcheque 4008/udp NetCheque accounting 
nuts_dem 4132/tcp NUTS Daemon 
nuts_dem 4132/udp NUTS Daemon 
nuts_bootp 4133/tcp NUTS Bootp Server 
nuts_bootp 4133/udp NUTS Bootp Server 
unicall 4343/tcp UNICALL 
unicall 4343/udp UNICALL 
krb524 4444/tcp KRB524 
krb524 4444/udp KRB524 
nv-video 4444/tcp NV Video default 
nv-video 4444/udp NV Video default 
rfa 4672/tcp remote file access server 
rfa 4672/udp remote file access server 
commplex-main 5000/tcp 
commplex-main 5000/udp 
commplex-link 5001/tcp 
commplex-link 5001/udp 
rfe 5002/tcp radio free ethernet 
rfe 5002/udp radio free ethernet 
telelpathstart 5010/tcp TelepathStart 
telelpathstart 5010/udp TelepathStart 
telelpathattack 5011/tcp TelepathAttack 
telelpathattack 5011/udp TelepathAttack 
mmcc 5050/tcp multimedia conference control tool 
mmcc 5050/udp multimedia conference control tool 
rmonitor_secure 5145/tcp 
rmonitor_secure 5145/udp 
aol 5190/tcp America-Online 
aol 5190/udp America-Online 
aol-1 5191/tcp AmericaOnline1 
aol-1 5191/udp AmericaOnline1 
aol-2 5192/tcp AmericaOnline2 
aol-2 5192/udp AmericaOnline2 
aol-3 5193/tcp AmericaOnline3 
aol-3 5193/udp AmericaOnline3 
padl2sim 5236/tcp 
padl2sim 5236/udp 
hacl-local 5304/tcp 
hacl-local 5304/udp 
hacl-test 5305/tcp 
hacl-test 5305/udp 
proshareaudio 5713/tcp proshare conf audio 
proshareaudio 5713/udp proshare conf audio 
prosharevideo 5714/tcp proshare conf video 
prosharevideo 5714/udp proshare conf video 
prosharedata 5715/tcp proshare conf data 
prosharedata 5715/udp proshare conf data 
prosharerequest 5716/tcp proshare conf request 
prosharerequest 5716/udp proshare conf request 
prosharenotify 5717/tcp proshare conf notify 
prosharenotify 5717/udp proshare conf notify 

x11 6000-6063/tcp X Window System 
x11 6000-6063/udp X Window System 
softcm 6110/tcp HP SoftBench CM 
softcm 6110/udp HP SoftBench CM 
spc 6111/tcp HP SoftBench Sub-Process Control 
spc 6111/udp HP SoftBench Sub-Process Control 
meta-corp 6141/tcp Meta Corporation License Manager 
meta-corp 6141/udp Meta Corporation License Manager 
aspentec-lm 6142/tcp Aspen Technology License Manager 
aspentec-lm 6142/udp Aspen Technology License Manager 
watershed-lm 6143/tcp Watershed License Manager 
watershed-lm 6143/udp Watershed License Manager 
statsci1-lm 6144/tcp StatSci License Manager - 1 
statsci1-lm 6144/udp StatSci License Manager - 1 
statsci2-lm 6145/tcp StatSci License Manager - 2 
statsci2-lm 6145/udp StatSci License Manager - 2 
lonewolf-lm 6146/tcp Lone Wolf Systems License Manager 
lonewolf-lm 6146/udp Lone Wolf Systems License Manager 
montage-lm 6147/tcp Montage License Manager 
montage-lm 6147/udp Montage License Manager 
ricardo-lm 6148/tcp Ricardo North America License Manager 
ricardo-lm 6148/udp Ricardo North America License Manager 
xdsxdm 6558/tcp 
xdsxdm 6558/udp 
acmsoda 6969/tcp acmsoda 
acmsoda 6969/udp acmsoda 
afs3-fileserver 7000/tcp file server itself 
afs3-fileserver 7000/udp file server itself 
afs3-callback 7001/tcp callbacks to cache managers 
afs3-callback 7001/udp callbacks to cache managers 
afs3-prserver 7002/tcp users & groups database 
afs3-prserver 7002/udp users & groups database 
afs3-vlserver 7003/tcp volume location database 
afs3-vlserver 7003/udp volume location database 
afs3-kaserver 7004/tcp AFS/Kerberos authentication service 
afs3-kaserver 7004/udp AFS/Kerberos authentication service 
afs3-volser 7005/tcp volume managment server 
afs3-volser 7005/udp volume managment server 
afs3-errors 7006/tcp error interpretation service 
afs3-errors 7006/udp error interpretation service 
afs3-bos 7007/tcp basic overseer process 
afs3-bos 7007/udp basic overseer process 
afs3-update 7008/tcp server-to-server updater 
afs3-update 7008/udp server-to-server updater 
afs3-rmtsys 7009/tcp remote cache manager service 
afs3-rmtsys 7009/udp remote cache manager service 
ups-onlinet 7010/tcp onlinet uninterruptable power supplies 
ups-onlinet 7010/udp onlinet uninterruptable power supplies 
font-service 7100/tcp X Font Service 
font-service 7100/udp X Font Service 
fodms 7200/tcp FODMS FLIP 
fodms 7200/udp FODMS FLIP 
man 9535/tcp 
man 9535/udp 
sd 9876/tcp Session Director 
sd 9876/udp Session Director 
isode-dua 17007/tcp 
isode-dua 17007/udp 
biimenu 18000/tcp Beckman Instruments, Inc. 
biimenu 18000/udp Beckman Instruments, Inc. 
dbbrowse 47557/tcp Databeam Corporation 
dbbrowse 47557/udp Databeam Corporation 
REFERENCES
[RFC768] Postel, J., "User Datagram Protocol", STD 6, RFC 768, USC/Information Sciences Institute, August 1980.
[RFC793]Postel, J., ed., "Transmission Control Protocol - DARPA Internet Program Protocol Specification", STD 7, RFC 793, USC/Information Sciences Institute, September 1981. 
