################ ############################ #################################### ############ ############ ########## ########## ######## ######## ######## ######## ####### ####### ###### ###### ####### ####### ###### ########## ###### ###### ################## ###### ##### ##################### ##### ##### ############################ ##### ##### ################################## ##### ###### ###################################### ###### ##### ######################## ##### ##### ######################## ##### ##### ######################### ##### ##### ########################## ##### ##### ############################## ##### #### ################################# #### #### ################################### #### ##### ################################### ##### ##### ############ ################### ##### ##### ############ ############### ##### ##### ############## ############ ##### #### ############## ######### #### #### ############## ####### #### ##### ################ ### ##### ##### ################# ##### ##### ################# ##### ##### ################# ##### ##### ################# ##### ###### ################# ###### ##### ################ ##### ##### ################ ##### ##### ################ ##### ###### ############### ###### ###### ############# ###### ####### ########### ####### ###### ######## ###### ####### ####### ######## ######## ######## ######## ########## ########## ############ ############ #################################### ############################ ################

Port Numbers

Services registered to port numbers

0–1023 · System ports

Assigned through IETF Review or IESG Approval

Port	Service	Description	Transport
0	reserved		TCP UDP
1	tcpmux	TCP Port Service Multiplexer	TCP UDP
2	reserved		TCP UDP
3	reserved		TCP UDP
5	rje	Remote Job Entry	TCP UDP
7	echo	Echo	TCP UDP
9	discard	Discard	TCP UDP SCTP DCCP
11	systat	Active Users	TCP UDP
13	daytime	Daytime	TCP UDP
17	qotd	Quote of the Day	TCP UDP
18	msp	Message Send Protocol (historic)	TCP UDP
19	chargen	Character Generator	TCP UDP
20	ftp-data	File Transfer [Default Data]	TCP UDP
20	ftp-data	FTP	SCTP
21	ftp	File Transfer Protocol [Control]	TCP UDP
21	ftp	FTP	SCTP
22	ssh	The Secure Shell (SSH) Protocol	TCP UDP
22	ssh	SSH	SCTP
23	telnet	Telnet	TCP UDP
25	smtp	Simple Mail Transfer	TCP UDP
27	nsw-fe	NSW User System FE	TCP UDP
29	msg-icp	MSG ICP	TCP UDP
31	msg-auth	MSG Authentication	TCP UDP
33	dsp	Display Support Protocol	TCP UDP
37	time	Time	TCP UDP
38	rap	Route Access Protocol	TCP UDP
39	rlp	Resource Location Protocol	TCP UDP
41	graphics	Graphics	TCP UDP
42	name	Host Name Server	TCP UDP
42	nameserver	Host Name Server	TCP UDP
43	nicname	Who Is	TCP UDP
44	mpm-flags	MPM FLAGS Protocol	TCP UDP
45	mpm	Message Processing Module [recv]	TCP UDP
46	mpm-snd	MPM [default send]	TCP UDP
47	reserved		TCP UDP
48	auditd	Digital Audit Daemon	TCP UDP
49	tacacs	Login Host Protocol (TACACS)	TCP UDP
50	re-mail-ck	Remote Mail Checking Protocol	TCP UDP
51	reserved		—
52	xns-time	XNS Time Protocol	TCP UDP
53	domain	Domain Name Server	TCP UDP
54	xns-ch	XNS Clearinghouse	TCP UDP
55	isi-gl	ISI Graphics Language	TCP UDP
56	xns-auth	XNS Authentication	TCP UDP
58	xns-mail	XNS Mail	TCP UDP
61	reserved		TCP UDP
62	acas	ACA Services	TCP UDP
63	whoispp	whois++	TCP UDP
63	whois++	whois++	TCP UDP
64	covia	Communications Integrator (CI)	TCP UDP
65	tacacs-ds	TACACS-Database Service	TCP UDP
66	sql-net	Oracle SQL*NET	TCP UDP
66	sql*net	Oracle SQL*NET	TCP UDP
67	bootps	Bootstrap Protocol Server	TCP UDP
68	bootpc	Bootstrap Protocol Client	TCP UDP
69	tftp	Trivial File Transfer	TCP UDP
70	gopher	Gopher	TCP UDP
71	netrjs-1	Remote Job Service	TCP UDP
72	netrjs-2	Remote Job Service	TCP UDP
73	netrjs-3	Remote Job Service	TCP UDP
74	netrjs-4	Remote Job Service	TCP UDP
76	deos	Distributed External Object Store	TCP UDP
78	vettcp	vettcp	TCP UDP
79	finger	Finger	TCP UDP
80	http	World Wide Web HTTP	TCP UDP
80	www	World Wide Web HTTP	TCP UDP
80	www-http	World Wide Web HTTP	TCP UDP
80	http	HTTP	SCTP
82	xfer	XFER Utility	TCP UDP
83	mit-ml-dev	MIT ML Device	TCP UDP
84	ctf	Common Trace Facility	TCP UDP
85	mit-ml-dev	MIT ML Device	TCP UDP
86	mfcobol	Micro Focus Cobol	TCP UDP
88	kerberos	Kerberos	TCP UDP
89	su-mit-tg	SU/MIT Telnet Gateway	TCP UDP
90	dnsix	DNSIX Securit Attribute Token Map	TCP UDP
91	mit-dov	MIT Dover Spooler	TCP UDP
92	npp	Network Printing Protocol	TCP UDP
93	dcp	Device Control Protocol	TCP UDP
94	objcall	Tivoli Object Dispatcher	TCP UDP
95	supdup	SUPDUP	TCP UDP
96	dixie	DIXIE Protocol Specification	TCP UDP
97	swift-rvf	Swift Remote Virtural File Protocol	TCP UDP
98	tacnews	TAC News	TCP UDP
99	metagram	Metagram Relay	TCP UDP
101	hostname	NIC Host Name Server	TCP UDP
102	iso-tsap	ISO-TSAP Class 0	TCP UDP
103	gppitnp	Genesis Point-to-Point Trans Net	TCP UDP
104	acr-nema	ACR-NEMA Digital Imag. & Comm. 300	TCP UDP
105	cso	CCSO name server protocol	TCP UDP
105	csnet-ns	Mailbox Name Nameserver	TCP UDP
106	3com-tsmux	3COM-TSMUX	TCP UDP
107	rtelnet	Remote Telnet Service	TCP UDP
108	snagas	SNA Gateway Access Server	TCP UDP
109	pop2	Post Office Protocol - Version 2	TCP UDP
110	pop3	Post Office Protocol - Version 3	TCP UDP
111	sunrpc	SUN Remote Procedure Call	TCP UDP
112	mcidas	McIDAS Data Transmission Protocol	TCP UDP
113	ident		TCP
113	auth	Authentication Service	TCP UDP
115	sftp	Simple File Transfer Protocol	TCP UDP
116	ansanotify	ANSA REX Notify	TCP UDP
117	uucp-path	UUCP Path Service	TCP UDP
118	sqlserv	SQL Services	TCP UDP
119	nntp	Network News Transfer Protocol	TCP UDP
120	cfdptkt	CFDPTKT	TCP UDP
121	erpc	Encore Expedited Remote Pro.Call	TCP UDP
122	smakynet	SMAKYNET	TCP UDP
123	ntp	Network Time Protocol	TCP UDP
124	ansatrader	ANSA REX Trader	TCP UDP
125	locus-map	Locus PC-Interface Net Map Ser	TCP UDP
126	nxedit	NXEdit	TCP UDP
127	locus-con	Locus PC-Interface Conn Server	TCP UDP
128	gss-xlicen	GSS X License Verification	TCP UDP
129	pwdgen	Password Generator Protocol	TCP UDP
130	cisco-fna	cisco FNATIVE	TCP UDP
131	cisco-tna	cisco TNATIVE	TCP UDP
132	cisco-sys	cisco SYSMAINT	TCP UDP
133	statsrv	Statistics Service	TCP UDP
134	ingres-net	INGRES-NET Service	TCP UDP
135	epmap	DCE endpoint resolution	TCP UDP
136	profile	PROFILE Naming System	TCP UDP
137	netbios-ns	NETBIOS Name Service	TCP UDP
138	netbios-dgm	NETBIOS Datagram Service	TCP UDP
139	netbios-ssn	NETBIOS Session Service	TCP UDP
140	emfis-data	EMFIS Data Service	TCP UDP
141	emfis-cntl	EMFIS Control Service	TCP UDP
142	bl-idm	Britton-Lee IDM	TCP UDP
143	imap	Internet Message Access Protocol	TCP
143	reserved		UDP
144	uma	Universal Management Architecture	TCP UDP
145	uaac	UAAC Protocol	TCP UDP
146	iso-tp0	ISO-IP0	TCP UDP
147	iso-ip	ISO-IP	TCP UDP
148	jargon	Jargon	TCP UDP
149	aed-512	AED 512 Emulation Service	TCP UDP
150	sql-net	SQL-NET	TCP UDP
151	hems	HEMS	TCP UDP
152	bftp	Background File Transfer Program	TCP UDP
153	sgmp	SGMP	TCP UDP
154	netsc-prod	NETSC	TCP UDP
155	netsc-dev	NETSC	TCP UDP
156	sqlsrv	SQL Service	TCP UDP
157	knet-cmp	KNET/VM Command/Message Protocol	TCP UDP
158	pcmail-srv	PCMail Server	TCP UDP
159	nss-routing	NSS-Routing	TCP UDP
160	sgmp-traps	SGMP-TRAPS	TCP UDP
161	snmp	SNMP	TCP UDP
162	snmptrap	SNMPTRAP	TCP UDP
163	cmip-man	CMIP/TCP Manager	TCP UDP
164	cmip-agent	CMIP/TCP Agent	TCP UDP
165	xns-courier	Xerox	TCP UDP
166	s-net	Sirius Systems	TCP UDP
167	namp	NAMP	TCP UDP
168	rsvd	RSVD	TCP UDP
169	send	SEND	TCP UDP
170	print-srv	Network PostScript	TCP UDP
171	multiplex	Network Innovations Multiplex	TCP UDP
172	cl-1	Network Innovations CL/1	TCP UDP
172	cl/1	Network Innovations CL/1	TCP UDP
173	xyplex-mux	Xyplex	TCP UDP
174	mailq	MAILQ	TCP UDP
175	vmnet	VMNET	TCP UDP
176	genrad-mux	GENRAD-MUX	TCP UDP
177	xdmcp	X Display Manager Control Protocol	TCP UDP
178	nextstep	NextStep Window Server	TCP UDP
179	bgp	Border Gateway Protocol	TCP UDP
179	bgp	BGP	SCTP
180	ris	Intergraph	TCP UDP
181	unify	Unify	TCP UDP
182	audit	Unisys Audit SITP	TCP UDP
183	ocbinder	OCBinder	TCP UDP
184	ocserver	OCServer	TCP UDP
185	remote-kis	Remote-KIS	TCP UDP
186	kis	KIS Protocol	TCP UDP
187	aci	Application Communication Interface	TCP UDP
188	mumps	Plus Five's MUMPS	TCP UDP
189	qft	Queued File Transport	TCP UDP
190	gacp	Gateway Access Control Protocol	TCP UDP
191	prospero	Prospero Directory Service	TCP UDP
192	osu-nms	OSU Network Monitoring System	TCP UDP
193	srmp	Spider Remote Monitoring Protocol	TCP UDP
194	irc	Internet Relay Chat Protocol	TCP UDP
195	dn6-nlm-aud	DNSIX Network Level Module Audit	TCP UDP
196	dn6-smm-red	DNSIX Session Mgt Module Audit Redir	TCP UDP
197	dls	Directory Location Service	TCP UDP
198	dls-mon	Directory Location Service Monitor	TCP UDP
199	smux	SMUX	TCP UDP
200	src	IBM System Resource Controller	TCP UDP
201	at-rtmp	AppleTalk Routing Maintenance	TCP UDP
202	at-nbp	AppleTalk Name Binding	TCP UDP
203	at-3	AppleTalk Unused	TCP UDP
204	at-echo	AppleTalk Echo	TCP UDP
205	at-5	AppleTalk Unused	TCP UDP
206	at-zis	AppleTalk Zone Information	TCP UDP
207	at-7	AppleTalk Unused	TCP UDP
208	at-8	AppleTalk Unused	TCP UDP
209	qmtp	The Quick Mail Transfer Protocol	TCP UDP
210	z39-50	ANSI Z39.50	TCP UDP
210	z39.50	ANSI Z39.50	TCP UDP
211	914c-g	Texas Instruments 914C/G Terminal	TCP UDP
211	914c/g	Texas Instruments 914C/G Terminal	TCP UDP
212	anet	ATEXSSTR	TCP UDP
213	ipx	IPX	TCP UDP
214	vmpwscs	VM PWSCS	TCP UDP
215	softpc	Insignia Solutions	TCP UDP
216	CAIlic	Computer Associates Int'l License Server	TCP UDP
217	dbase	dBASE Unix	TCP UDP
218	mpp	Netix Message Posting Protocol	TCP UDP
219	uarps	Unisys ARPs	TCP UDP
220	imap3	Interactive Mail Access Protocol v3	TCP UDP
221	fln-spx	Berkeley rlogind with SPX auth	TCP UDP
222	rsh-spx	Berkeley rshd with SPX auth	TCP UDP
223	cdc	Certificate Distribution Center	TCP UDP
224	masqdialer	masqdialer	TCP UDP
225–241	reserved		—
242	direct	Direct	TCP UDP
243	sur-meas	Survey Measurement	TCP UDP
244	inbusiness	inbusiness	TCP UDP
245	link	LINK	TCP UDP
246	dsp3270	Display Systems Protocol	TCP UDP
247	subntbcst-tftp	SUBNTBCST_TFTP	TCP UDP
247	subntbcst_tftp	SUBNTBCST_TFTP	TCP UDP
248	bhfhs	bhfhs	TCP UDP
249–255	reserved		—
256	rap	RAP	TCP UDP
257	set	Secure Electronic Transaction	TCP UDP
259	esro-gen	Efficient Short Remote Operations	TCP UDP
260	openport	Openport	TCP UDP
261	nsiiops	IIOP Name Service over TLS/SSL	TCP UDP
262	arcisdms	Arcisdms	TCP UDP
263	hdap	HDAP	TCP UDP
264	bgmp	BGMP	TCP UDP
265	x-bone-ctl	X-Bone CTL	TCP UDP
266	sst	SCSI on ST	TCP UDP
267	td-service	Tobit David Service Layer	TCP UDP
268	td-replica	Tobit David Replica	TCP UDP
269	manet	MANET Protocols	TCP UDP
270	reserved		TCP
270	gist	Q-mode encapsulation for GIST messages	UDP
271	pt-tls	IETF Network Endpoint Assessment (NEA) Posture Transport Protocol over TLS (PT-TLS)	TCP
271	reserved		UDP
280	http-mgmt	http-mgmt	TCP UDP
281	personal-link	Personal Link	TCP UDP
282	cableport-ax	Cable Port A/X	TCP UDP
283	rescap	rescap	TCP UDP
284	corerjd	corerjd	TCP UDP
286	fxp	FXP Communication	TCP UDP
287	k-block	K-BLOCK	TCP UDP
300	tacacss	TLS Secure Login Host Protocol (TACACSS)	TCP
300	reserved		UDP
308	novastorbakcup	Novastor Backup	TCP UDP
309	entrusttime	EntrustTime	TCP UDP
310	bhmds	bhmds	TCP UDP
311	asip-webadmin	AppleShare IP WebAdmin	TCP UDP
312	vslmp	VSLMP	TCP UDP
313	magenta-logic	Magenta Logic	TCP UDP
314	opalis-robot	Opalis Robot	TCP UDP
315	dpsi	DPSI	TCP UDP
316	decauth	decAuth	TCP UDP
317	zannet	Zannet	TCP UDP
318	pkix-timestamp	PKIX TimeStamp	TCP UDP
319	ptp-event	PTP Event	TCP UDP
320	ptp-general	PTP General	TCP UDP
321	pip	PIP	TCP UDP
322	rtsps	RTSPS	TCP UDP
323	rpki-rtr	Resource PKI to Router Protocol	TCP
323	reserved		UDP
324	rpki-rtr-tls	Resource PKI to Router Protocol over TLS	TCP
324	reserved		UDP
333	texar	Texar Security Port	TCP UDP
344	pdap	Prospero Data Access Protocol	TCP UDP
345	pawserv	Perf Analysis Workbench	TCP UDP
346	zserv	Zebra server	TCP UDP
347	fatserv	Fatmen Server	TCP UDP
348	csi-sgwp	Cabletron Management Protocol	TCP UDP
349	mftp	mftp	TCP UDP
350	matip-type-a	MATIP Type A	TCP UDP
351	matip-type-b	MATIP Type B	TCP UDP
351	bhoetty	bhoetty	TCP UDP
352	dtag-ste-sb	DTAG	TCP UDP
352	bhoedap4	bhoedap4	TCP UDP
353	ndsauth	NDSAUTH	TCP UDP
354	bh611	bh611	TCP UDP
355	datex-asn	DATEX-ASN	TCP UDP
356	cloanto-net-1	Cloanto Net 1	TCP UDP
357	bhevent	bhevent	TCP UDP
358	shrinkwrap	Shrinkwrap	TCP UDP
359	reserved		TCP UDP
360	scoi2odialog	scoi2odialog	TCP UDP
361	semantix	Semantix	TCP UDP
362	srssend	SRS Send	TCP UDP
363	rsvp-tunnel	RSVP Tunnel	TCP UDP
363	rsvp_tunnel	RSVP Tunnel	TCP UDP
364	aurora-cmgr	Aurora CMGR	TCP UDP
365	dtk	DTK	TCP UDP
366	odmr	ODMR	TCP UDP
367	mortgageware	MortgageWare	TCP UDP
368	qbikgdp	QbikGDP	TCP UDP
369	rpc2portmap	rpc2portmap	TCP UDP
370	codaauth2	codaauth2	TCP UDP
371	clearcase	Clearcase	TCP UDP
372	ulistproc	ListProcessor	TCP UDP
373	legent-1	Legent Corporation	TCP UDP
374	legent-2	Legent Corporation	TCP UDP
375	hassle	Hassle	TCP UDP
376	nip	Amiga Envoy Network Inquiry Protocol	TCP UDP
377	tnETOS	NEC Corporation	TCP UDP
378	dsETOS	NEC Corporation	TCP UDP
379	is99c	TIA/EIA/IS-99 modem client	TCP UDP
380	is99s	TIA/EIA/IS-99 modem server	TCP UDP
381	hp-collector	hp performance data collector	TCP UDP
382	hp-managed-node	hp performance data managed node	TCP UDP
383	hp-alarm-mgr	hp performance data alarm manager	TCP UDP
384	arns	A Remote Network Server System	TCP UDP
385	ibm-app	IBM Application	TCP UDP
386	asa	ASA Message Router Object Def.	TCP UDP
387	aurp	Appletalk Update-Based Routing Pro.	TCP UDP
388	unidata-ldm	Unidata LDM	TCP UDP
389	ldap	Lightweight Directory Access Protocol	TCP UDP
390	uis	UIS	TCP UDP
391	synotics-relay	SynOptics SNMP Relay Port	TCP UDP
392	synotics-broker	SynOptics Port Broker Port	TCP UDP
393	meta5	Meta5	TCP UDP
394	embl-ndt	EMBL Nucleic Data Transfer	TCP UDP
395	netcp	NetScout Control Protocol	TCP UDP
396	netware-ip	Novell Netware over IP	TCP UDP
397	mptn	Multi Protocol Trans. Net.	TCP UDP
398	kryptolan	Kryptolan	TCP UDP
399	iso-tsap-c2	ISO Transport Class 2 Non-Control over TCP	TCP
399	iso-tsap-c2	ISO Transport Class 2 Non-Control over UDP	UDP
400	osb-sd	Oracle Secure Backup	TCP UDP
401	ups	Uninterruptible Power Supply	TCP UDP
402	genie	Genie Protocol	TCP UDP
403	decap	decap	TCP UDP
404	nced	nced	TCP UDP
405	ncld	ncld	TCP UDP
406	imsp	Interactive Mail Support Protocol	TCP UDP
407	timbuktu	Timbuktu	TCP UDP
408	prm-sm	Prospero Resource Manager Sys. Man.	TCP UDP
409	prm-nm	Prospero Resource Manager Node Man.	TCP UDP
410	decladebug	DECLadebug Remote Debug Protocol	TCP UDP
411	rmt	Remote MT Protocol	TCP UDP
412	synoptics-trap	Trap Convention Port	TCP UDP
413	smsp	Storage Management Services Protocol	TCP UDP
414	infoseek	InfoSeek	TCP UDP
415	bnet	BNet	TCP UDP
416	silverplatter	Silverplatter	TCP UDP
417	onmux	Onmux	TCP UDP
418	hyper-g	Hyper-G	TCP UDP
419	ariel1	Ariel 1	TCP UDP
420	smpte	SMPTE	TCP UDP
421	ariel2	Ariel 2	TCP UDP
422	ariel3	Ariel 3	TCP UDP
423	opc-job-start	IBM Operations Planning and Control Start	TCP UDP
424	opc-job-track	IBM Operations Planning and Control Track	TCP UDP
425	icad-el	ICAD	TCP UDP
426	smartsdp	smartsdp	TCP UDP
427	svrloc	Server Location	TCP UDP
428	ocs-cmu	OCS_CMU	TCP UDP
428	ocs_cmu	OCS_CMU	TCP UDP
429	ocs-amu	OCS_AMU	TCP UDP
429	ocs_amu	OCS_AMU	TCP UDP
430	utmpsd	UTMPSD	TCP UDP
431	utmpcd	UTMPCD	TCP UDP
432	iasd	IASD	TCP UDP
433	nnsp	NNTP for transit servers (NNSP)	TCP UDP
434	mobileip-agent	MobileIP-Agent	TCP UDP
435	mobilip-mn	MobilIP-MN	TCP UDP
436	dna-cml	DNA-CML	TCP UDP
437	comscm	comscm	TCP UDP
438	dsfgw	dsfgw	TCP UDP
439	dasp	dasp	TCP UDP
440	sgcp	sgcp	TCP UDP
441	decvms-sysmgt	decvms-sysmgt	TCP UDP
442	cvc-hostd	cvc_hostd	TCP UDP
442	cvc_hostd	cvc_hostd	TCP UDP
443	https	http protocol over TLS/SSL	TCP UDP
443	https	HTTPS	SCTP
444	snpp	Simple Network Paging Protocol	TCP UDP
445	microsoft-ds	Microsoft-DS	TCP UDP
446	ddm-rdb	DDM-Remote Relational Database Access	TCP UDP
447	ddm-dfm	DDM-Distributed File Management	TCP UDP
448	ddm-ssl	DDM-Remote DB Access Using Secure Sockets	TCP UDP
449	as-servermap	AS Server Mapper	TCP UDP
450	tserver	Computer Supported Telecomunication Applications	TCP UDP
451	sfs-smp-net	Cray Network Semaphore server	TCP UDP
452	sfs-config	Cray SFS config server	TCP UDP
453	creativeserver	CreativeServer	TCP UDP
454	contentserver	ContentServer	TCP UDP
455	creativepartnr	CreativePartnr	TCP UDP
456	macon-tcp	macon-tcp	TCP
456	macon-udp	macon-udp	UDP
457	scohelp	scohelp	TCP UDP
458	appleqtc	apple quick time	TCP UDP
459	ampr-rcmd	ampr-rcmd	TCP UDP
460	skronk	skronk	TCP UDP
461	datasurfsrv	DataRampSrv	TCP UDP
462	datasurfsrvsec	DataRampSrvSec	TCP UDP
463	alpes	alpes	TCP UDP
464	kpasswd	kpasswd	TCP UDP
465	urd	URL Rendezvous Directory for SSM	TCP
465	submissions	Message Submission over TLS protocol	TCP
465	igmpv3lite	IGMP over UDP for SSM	UDP
466	digital-vrc	digital-vrc	TCP UDP
467	mylex-mapd	mylex-mapd	TCP UDP
468	photuris	proturis	TCP UDP
469	rcp	Radio Control Protocol	TCP UDP
470	scx-proxy	scx-proxy	TCP UDP
471	mondex	Mondex	TCP UDP
472	ljk-login	ljk-login	TCP UDP
473	hybrid-pop	hybrid-pop	TCP UDP
474	tn-tl-w1	tn-tl-w1	TCP
474	tn-tl-w2	tn-tl-w2	UDP
475	tcpnethaspsrv	tcpnethaspsrv	TCP UDP
476	tn-tl-fd1	tn-tl-fd1	TCP UDP
477	ss7ns	ss7ns	TCP UDP
478	spsc	spsc	TCP UDP
479	iafserver	iafserver	TCP UDP
480	iafdbase	iafdbase	TCP UDP
481	ph	Ph service	TCP UDP
482	bgs-nsi	bgs-nsi	TCP UDP
483	ulpnet	ulpnet	TCP UDP
484	integra-sme	Integra Software Management Environment	TCP UDP
485	powerburst	Air Soft Power Burst	TCP UDP
486	avian	avian	TCP UDP
487	saft	saft Simple Asynchronous File Transfer	TCP UDP
488	gss-http	gss-http	TCP UDP
489	nest-protocol	nest-protocol	TCP UDP
490	micom-pfs	micom-pfs	TCP UDP
491	go-login	go-login	TCP UDP
492	ticf-1	Transport Independent Convergence for FNA	TCP UDP
493	ticf-2	Transport Independent Convergence for FNA	TCP UDP
494	pov-ray	POV-Ray	TCP UDP
495	intecourier	intecourier	TCP UDP
496	pim-rp-disc	PIM-RP-DISC	TCP UDP
497	retrospect	Retrospect backup and restore service	TCP UDP
498	siam	siam	TCP UDP
499	iso-ill	ISO ILL Protocol	TCP UDP
500	isakmp	isakmp	TCP UDP
501	stmf	STMF	TCP UDP
502	mbap	Modbus Application Protocol	TCP UDP
503	intrinsa	Intrinsa	TCP UDP
504	citadel	citadel	TCP UDP
505	mailbox-lm	mailbox-lm	TCP UDP
506	ohimsrv	ohimsrv	TCP UDP
507	crs	crs	TCP UDP
508	xvttp	xvttp	TCP UDP
509	snare	snare	TCP UDP
510	fcp	FirstClass Protocol	TCP UDP
511	passgo	PassGo	TCP UDP
512	exec	remote process execution; authentication performed using passwords and UNIX login names	TCP
512	comsat		UDP
512	biff	used by mail system to notify users of new mail received; currently receives messages only from processes on the same machine	UDP
513	login	remote login a la telnet; automatic authentication performed based on priviledged port numbers and distributed data bases which identify "authentication domains"	TCP
513	who	maintains data bases showing who's logged in to machines on a local net and the load average of the machine	UDP
514	shell	cmd like exec, but automatic authentication is performed as for login server	TCP
514	syslog		UDP
515	printer	spooler	TCP UDP
516	videotex	videotex	TCP UDP
517	talk	like tenex link, but across machine - unfortunately, doesn't use link protocol (this is actually just a rendezvous port from which a tcp connection is established)	TCP UDP
518	ntalk		TCP UDP
519	utime	unixtime	TCP UDP
520	efs	extended file name server	TCP
520	router	local routing process (on site); uses variant of Xerox NS routing information protocol - RIP	UDP
521	ripng	ripng	TCP UDP
522	ulp	ULP	TCP UDP
523	ibm-db2	IBM-DB2	TCP UDP
524	ncp	NCP	TCP UDP
525	timed	timeserver	TCP UDP
526	tempo	newdate	TCP UDP
527	stx	Stock IXChange	TCP UDP
528	custix	Customer IXChange	TCP UDP
529	irc-serv	IRC-SERV	TCP UDP
530	courier	rpc	TCP UDP
531	conference	chat	TCP UDP
532	netnews	readnews	TCP UDP
533	netwall	for emergency broadcasts	TCP UDP
534	windream	windream Admin	TCP UDP
535	iiop	iiop	TCP UDP
536	opalis-rdv	opalis-rdv	TCP UDP
537	nmsp	Networked Media Streaming Protocol	TCP UDP
538	gdomap	gdomap	TCP UDP
539	apertus-ldp	Apertus Technologies Load Determination	TCP UDP
540	uucp	uucpd	TCP UDP
541	uucp-rlogin	uucp-rlogin	TCP UDP
542	commerce	commerce	TCP UDP
543	klogin		TCP UDP
544	kshell	krcmd	TCP UDP
545	appleqtcsrvr	appleqtcsrvr	TCP UDP
546	dhcpv6-client	DHCPv6 Client	TCP UDP
547	dhcpv6-server	DHCPv6 Server	TCP UDP
548	afpovertcp	AFP over TCP	TCP UDP
549	idfp	IDFP	TCP UDP
550	new-rwho	new-who	TCP UDP
551	cybercash	cybercash	TCP UDP
552	devshr-nts	DeviceShare	TCP UDP
553	pirp	pirp	TCP UDP
554	rtsp	Real Time Streaming Protocol (RTSP)	TCP UDP
555	dsf		TCP UDP
556	remotefs	rfs server	TCP UDP
557	openvms-sysipc	openvms-sysipc	TCP UDP
558	sdnskmp	SDNSKMP	TCP UDP
559	teedtap	TEEDTAP	TCP UDP
560	rmonitor	rmonitord	TCP UDP
561	monitor		TCP UDP
562	chshell	chcmd	TCP UDP
563	nntps	nntp protocol over TLS/SSL (was snntp)	TCP UDP
564	9pfs	plan 9 file service	TCP UDP
565	whoami	whoami	TCP UDP
566	streettalk	streettalk	TCP UDP
567	banyan-rpc	banyan-rpc	TCP UDP
568	ms-shuttle	microsoft shuttle	TCP UDP
569	ms-rome	microsoft rome	TCP UDP
570	meter	demon	TCP UDP
571	meter	udemon	TCP UDP
572	sonar	sonar	TCP UDP
573	banyan-vip	banyan-vip	TCP UDP
574	ftp-agent	FTP Software Agent System	TCP UDP
575	vemmi	VEMMI	TCP UDP
576	ipcd	ipcd	TCP UDP
577	vnas	vnas	TCP UDP
578	ipdd	ipdd	TCP UDP
579	decbsrv	decbsrv	TCP UDP
580	sntp-heartbeat	SNTP HEARTBEAT	TCP UDP
581	bdp	Bundle Discovery Protocol	TCP UDP
582	scc-security	SCC Security	TCP UDP
583	philips-vc	Philips Video-Conferencing	TCP UDP
584	keyserver	Key Server	TCP UDP
586	password-chg	Password Change	TCP UDP
587	submission	Message Submission	TCP UDP
588	cal	CAL	TCP UDP
589	eyelink	EyeLink	TCP UDP
590	tns-cml	TNS CML	TCP UDP
591	http-alt	FileMaker, Inc. - HTTP Alternate (see Port 80)	TCP UDP
592	eudora-set	Eudora Set	TCP UDP
593	http-rpc-epmap	HTTP RPC Ep Map	TCP UDP
594	tpip	TPIP	TCP UDP
595	cab-protocol	CAB Protocol	TCP UDP
596	smsd	SMSD	TCP UDP
597	ptcnameservice	PTC Name Service	TCP UDP
598	sco-websrvrmg3	SCO Web Server Manager 3	TCP UDP
599	acp	Aeolon Core Protocol	TCP UDP
600	ipcserver	Sun IPC server	TCP UDP
601	syslog-conn	Reliable Syslog Service	TCP UDP
602	xmlrpc-beep	XML-RPC over BEEP	TCP UDP
603	idxp	IDXP	TCP UDP
604	tunnel	TUNNEL	TCP UDP
605	soap-beep	SOAP over BEEP	TCP UDP
606	urm	Cray Unified Resource Manager	TCP UDP
607	nqs	nqs	TCP UDP
608	sift-uft	Sender-Initiated/Unsolicited File Transfer	TCP UDP
609	npmp-trap	npmp-trap	TCP UDP
610	npmp-local	npmp-local	TCP UDP
611	npmp-gui	npmp-gui	TCP UDP
612	hmmp-ind	HMMP Indication	TCP UDP
613	hmmp-op	HMMP Operation	TCP UDP
614	sshell	SSLshell	TCP UDP
615	sco-inetmgr	Internet Configuration Manager	TCP UDP
616	sco-sysmgr	SCO System Administration Server	TCP UDP
617	sco-dtmgr	SCO Desktop Administration Server	TCP UDP
618	dei-icda	DEI-ICDA	TCP UDP
619	compaq-evm	Compaq EVM	TCP UDP
620	sco-websrvrmgr	SCO WebServer Manager	TCP UDP
621	escp-ip	ESCP	TCP UDP
622	collaborator	Collaborator	TCP UDP
623	oob-ws-http	DMTF out-of-band web services management protocol	TCP
623	asf-rmcp	ASF Remote Management and Control Protocol	UDP
624	cryptoadmin	Crypto Admin	TCP UDP
625	dec-dlm	DEC DLM	TCP UDP
625	dec_dlm	DEC DLM	TCP UDP
626	asia	ASIA	TCP UDP
627	passgo-tivoli	PassGo Tivoli	TCP UDP
628	qmqp	QMQP	TCP UDP
629	3com-amp3	3Com AMP3	TCP UDP
630	rda	RDA	TCP UDP
631	ipp	IPP (Internet Printing Protocol)	TCP UDP
631	ipps	Internet Printing Protocol over HTTPS	TCP
632	bmpp	bmpp	TCP UDP
633	servstat	Service Status update (Sterling Software)	TCP UDP
634	ginad	ginad	TCP UDP
635	rlzdbase	RLZ DBase	TCP UDP
636	ldaps	ldap protocol over TLS/SSL (was sldap)	TCP UDP
637	lanserver	lanserver	TCP UDP
638	mcns-sec	mcns-sec	TCP UDP
639	msdp	MSDP	TCP UDP
640	entrust-sps	entrust-sps	TCP UDP
641	repcmd	repcmd	TCP UDP
642	esro-emsdp	ESRO-EMSDP V1.3	TCP UDP
643	sanity	SANity	TCP UDP
644	dwr	dwr	TCP UDP
645	pssc	PSSC	TCP UDP
646	ldp	LDP	TCP UDP
647	dhcp-failover	DHCP Failover	TCP UDP
648	rrp	Registry Registrar Protocol (RRP)	TCP UDP
649	cadview-3d	Cadview-3d - streaming 3d models over the internet	TCP UDP
650	obex	OBEX	TCP UDP
651	ieee-mms	IEEE MMS	TCP UDP
652	hello-port	HELLO_PORT	TCP UDP
653	repscmd	RepCmd	TCP UDP
654	aodv	AODV	TCP UDP
655	tinc	TINC	TCP UDP
656	spmp	SPMP	TCP UDP
657	rmc	RMC	TCP UDP
658	tenfold	TenFold	TCP UDP
660	mac-srvr-admin	MacOS Server Admin	TCP UDP
661	hap	HAP	TCP UDP
662	pftp	PFTP	TCP UDP
663	purenoise	PureNoise	TCP UDP
664	oob-ws-https	DMTF out-of-band secure web services management protocol	TCP
664	asf-secure-rmcp	ASF Secure Remote Management and Control Protocol	UDP
665	sun-dr	Sun DR	TCP UDP
666	mdqs		TCP UDP
666	doom	doom Id Software	TCP UDP
667	disclose	campaign contribution disclosures - SDR Technologies	TCP UDP
668	mecomm	MeComm	TCP UDP
669	meregister	MeRegister	TCP UDP
670	vacdsm-sws	VACDSM-SWS	TCP UDP
671	vacdsm-app	VACDSM-APP	TCP UDP
672	vpps-qua	VPPS-QUA	TCP UDP
673	cimplex	CIMPLEX	TCP UDP
674	acap	ACAP	TCP UDP
675	dctp	DCTP	TCP UDP
676	vpps-via	VPPS Via	TCP UDP
677	vpp	Virtual Presence Protocol	TCP UDP
678	ggf-ncp	GNU Generation Foundation NCP	TCP UDP
679	mrm	MRM	TCP UDP
680	entrust-aaas	entrust-aaas	TCP UDP
681	entrust-aams	entrust-aams	TCP UDP
682	xfr	XFR	TCP UDP
683	corba-iiop	CORBA IIOP	TCP UDP
684	corba-iiop-ssl	CORBA IIOP SSL	TCP UDP
685	mdc-portmapper	MDC Port Mapper	TCP UDP
686	hcp-wismar	Hardware Control Protocol Wismar	TCP UDP
687	asipregistry	asipregistry	TCP UDP
688	realm-rusd	ApplianceWare managment protocol	TCP UDP
689	nmap	NMAP	TCP UDP
690	vatp	Velneo Application Transfer Protocol	TCP UDP
691	msexch-routing	MS Exchange Routing	TCP UDP
692	hyperwave-isp	Hyperwave-ISP	TCP UDP
693	connendp	almanid Connection Endpoint	TCP UDP
694	ha-cluster	ha-cluster	TCP UDP
695	ieee-mms-ssl	IEEE-MMS-SSL	TCP UDP
696	rushd	RUSHD	TCP UDP
697	uuidgen	UUIDGEN	TCP UDP
698	olsr	OLSR	TCP UDP
699	accessnetwork	Access Network	TCP UDP
700	epp	Extensible Provisioning Protocol	TCP
700	epp	EPP running over QUIC	UDP
701	lmp	Link Management Protocol (LMP)	TCP UDP
702	iris-beep	IRIS over BEEP	TCP UDP
704	elcsd	errlog copy/server daemon	TCP UDP
705	agentx	AgentX	TCP UDP
706	silc	SILC	TCP UDP
707	borland-dsj	Borland DSJ	TCP UDP
709	entrust-kmsh	Entrust Key Management Service Handler	TCP UDP
710	entrust-ash	Entrust Administration Service Handler	TCP UDP
711	cisco-tdp	Cisco TDP	TCP UDP
712	tbrpf	TBRPF	TCP UDP
713	iris-xpc	IRIS over XPC	TCP UDP
714	iris-xpcs	IRIS over XPCS	TCP UDP
715	iris-lwz	IRIS-LWZ	TCP UDP
716	pana	PANA Messages	UDP
729	netviewdm1	IBM NetView DM/6000 Server/Client	TCP UDP
730	netviewdm2	IBM NetView DM/6000 send/tcp	TCP UDP
731	netviewdm3	IBM NetView DM/6000 receive/tcp	TCP UDP
741	netgw	netGW	TCP UDP
742	netrcs	Network based Rev. Cont. Sys.	TCP UDP
744	flexlm	Flexible License Manager	TCP UDP
747	fujitsu-dev	Fujitsu Device Control	TCP UDP
748	ris-cm	Russell Info Sci Calendar Manager	TCP UDP
749	kerberos-adm	kerberos administration	TCP UDP
750	rfile		TCP
750	loadav		UDP
750	kerberos-iv	kerberos version iv	UDP
751	pump		TCP UDP
752	qrh		TCP UDP
753	rrh		TCP UDP
754	tell	send	TCP UDP
758	nlogin		TCP UDP
759	con		TCP UDP
760	ns		TCP UDP
761	rxe		TCP UDP
762	quotad		TCP UDP
763	cycleserv		TCP UDP
764	omserv		TCP UDP
765	webster		TCP UDP
767	phonebook	phone	TCP UDP
769	vid		TCP UDP
770	cadlock		TCP UDP
771	rtip		TCP UDP
772	cycleserv2		TCP UDP
773	submit		TCP
773	notify		UDP
774	rpasswd		TCP
774	acmaint-dbd		UDP
774	acmaint_dbd		UDP
775	entomb		TCP
775	acmaint-transd		UDP
775	acmaint_transd		UDP
776	wpages		TCP UDP
777	multiling-http	Multiling HTTP	TCP UDP
780	wpgs		TCP UDP
800	mdbs-daemon		TCP UDP
800	mdbs_daemon		TCP UDP
801	device		TCP UDP
802	mbap-s	Modbus Application Protocol Secure	TCP UDP
810	fcp-udp	FCP	TCP
810	fcp-udp	FCP Datagram	UDP
828	itm-mcell-s	itm-mcell-s	TCP UDP
829	pkix-3-ca-ra	PKIX-3 CA/RA	TCP UDP
830	netconf-ssh	NETCONF over SSH	TCP UDP
831	reserved		TCP UDP
832	reserved		TCP UDP
833	reserved		TCP UDP
847	dhcp-failover2	dhcp-failover 2	TCP UDP
848	gdoi	GDOI	TCP UDP
853	domain-s	DNS query-response protocol run over TLS	TCP
853	domain-s	DNS query-response protocol run over DTLS or QUIC	UDP
854	dlep	Dynamic Link Exchange Protocol (DLEP)	TCP UDP
860	iscsi	iSCSI	TCP UDP
861	owamp-control	OWAMP-Control	TCP
861	owamp-test	OWAMP-Test	UDP
862	twamp-control	TWAMP-Control	TCP
862	twamp-test	TWAMP-Test Receiver Port	UDP
873	rsync	rsync	TCP UDP
886	iclcnet-locate	ICL coNETion locate server	TCP UDP
887	iclcnet-svinfo	ICL coNETion server info	TCP UDP
887	iclcnet_svinfo	ICL coNETion server info	TCP UDP
888	accessbuilder	AccessBuilder	TCP UDP
888	cddbp	CD Database Protocol	TCP
900	omginitialrefs	OMG Initial Refs	TCP UDP
901	smpnameres	SMPNAMERES	TCP UDP
902	ideafarm-door	self documenting Telnet Door	TCP
902	ideafarm-door	self documenting Door: send 0x00 for info	UDP
903	ideafarm-panic	self documenting Telnet Panic Door	TCP
903	ideafarm-panic	self documenting Panic Door: send 0x00 for info	UDP
910	kink	Kerberized Internet Negotiation of Keys (KINK)	TCP UDP
911	xact-backup	xact-backup	TCP UDP
912	apex-mesh	APEX relay-relay service	TCP UDP
913	apex-edge	APEX endpoint-relay service	TCP UDP
914	reserved		TCP
914	rift-lies	Routing in Fat Trees Link Information Element	UDP
915	reserved		TCP
915	rift-ties	Routing in Fat Trees Topology Information Element	UDP
953	rndc	BIND9 remote name daemon controller	TCP
953	reserved		UDP
989	ftps-data	ftp protocol, data, over TLS/SSL	TCP UDP
990	ftps	ftp protocol, control, over TLS/SSL	TCP UDP
991	nas	Netnews Administration System	TCP UDP
992	telnets	telnet protocol over TLS/SSL	TCP UDP
993	imaps	IMAP over TLS protocol	TCP
993	reserved		UDP
994	reserved		TCP UDP
995	pop3s	POP3 over TLS protocol	TCP
995	pop3s	pop3 protocol over TLS/SSL (was spop3)	UDP
996	vsinet	vsinet	TCP UDP
997	maitrd		TCP UDP
998	busboy		TCP
998	puparp		UDP
999	garcon		TCP
999	applix	Applix ac	UDP
999	puprouter		TCP UDP
1000	cadlock2		TCP UDP
1001	webpush	HTTP Web Push	TCP
1001	reserved		UDP
1010	surf	surf	TCP UDP
1011–1020	reserved		—
1021	exp1	RFC3692-style Experiment 1	TCP UDP SCTP DCCP
1022	exp2	RFC3692-style Experiment 2	TCP UDP SCTP DCCP
1023	reserved		TCP UDP

Service Name and Transport Protocol Port Number Registry (2026-10-15), IANA.