,UDP TCP Port Service Multiplexer Official
2/TCP,UDPManagement Utility Official
3/TCP,UDPCompression Process Official
4/TCP,UDPUnassigned Official
5/TCP,UDPRemote Job Entry Official
6/TCP,UDPUnassigned Official
7/TCP,UDPEcho Official
8/TCP,UDPUnassigned Official
9/TCP,UDPDiscard Official
11/
Active Users Official
TCP,UDP
13/
DAYTIME – (RFC 867) Official
TCP,UDP
17/
Quote of the Day Official
TCP,UDP
18/
Message Send Protocol Official
TCP,UDP
19/
Character Generator Official
TCP,UDP
20/TCP FTP – data Official
21/TCP FTP—control (command) Official
22/ Secure Shell (SSH)—used for secure logins, file transfers (scp, sftp) and
Official
TCP,UDP port forwarding
23/TCP Telnet protocol—unencrypted text communications Official
25/ Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between
Official
TCP,UDP mail servers
34/
Remote File (RF)—used to transfer files between machines Unofficial
TCP,UDP
35/
Any private printer server protocol Official
TCP,UDP
35/
QMS Magicolor 2 printer server protocol Unofficial
TCP,UDP
37/
TIME protocol Official
TCP,UDP
39/ Resource Location Protocol[2] (RLP)—used for determining the location
Official
TCP,UDP of higher level services from hosts on a network
41/
Graphics Official
TCP,UDP
42/
nameserver, ARPA Host Name Server Protocol Official
TCP,UDP
42/
WINS Unofficial
TCP,UDP
43/TCP WHOIS protocol Official
47/TCP GRE protocol Official
49/
TACACS Login Host protocol Official
TCP,UDP
52/
XNS (Xerox Network Systems) Time Protocol Official
TCP,UDP
53/
Domain Name System (DNS) Official
TCP,UDP
54/
XNS (Xerox Network Systems) Clearinghouse Official
TCP,UDP
55/
ISI-GL (ISI Graphics Language) Unofficial
TCP,UDP
56/
XNS (Xerox Network Systems) Authentication Official
TCP,UDP
56/
RAP (Route Access Protocol)[3] Unofficial
TCP,UDP
57/TCP MTP, Mail Transfer Protocol Unofficial
58/
XNS (Xerox Network Systems) Mail Official
TCP,UDP
Bootstrap Protocol (BOOTP) Server; also used by Dynamic Host
67/UDP Official
Configuration Protocol (DHCP)
Bootstrap Protocol (BOOTP) Client; also used by Dynamic Host
68/UDP Official
Configuration Protocol (DHCP)
69/UDP Trivial File Transfer Protocol (TFTP) Official
70/TCP Gopher protocol Official
79/TCP Finger protocol Official
80/
Hypertext Transfer Protocol (HTTP) Official
TCP,UDP
81/TCP Torpark—Onion routing Unofficial
82/UDP Torpark—Control Unofficial
83/TCP MIT ML Device Official
88/
Kerberos—authentication system Official
TCP,UDP
90/ dnsix (DoD Network Security for Information Exchange) Securit Attribute
Official
TCP,UDP Token Map
90/
Pointcast Unofficial
TCP,UDP
99/TCP WIP Message Protocol Unofficial
101/TCP NIC host name Official
102/TCP ISO-TSAP (Transport Service Access Point) Class 0 protocol[4] Official
104/
ACR/NEMA Digital Imaging and Communications in Medicine Official
TCP,UDP
105/
CCSO Nameserver Protocol (Qi/Ph) Official
TCP,UDP
107/TCP Remote TELNET Service[5] protocol Official
109/TCP Post Office Protocol 2 (POP2) Official
110/TCP Post Office Protocol 3 (POP3) Official
111/
Sun Remote Procedure Call Official
TCP,UDP
113/UDP ident—user identification system, used by IRC servers to identify users Official
113/
Authentication Service (auth) Official
TCP,UDP
115/TCP Simple File Transfer Protocol (SFTP) Official
117/TCP UUCP Path Service Official
118/
SQL (Structured Query Language) Services Official
TCP,UDP
Network News Transfer Protocol (NNTP)—used for retrieving newsgroup
119/TCP Official
messages
123/UDP Network Time Protocol (NTP)—used for time synchronization Official
135/
DCE endpoint resolution Official
TCP,UDP
Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator
135/
service[6], used to remotely manage services including DHCP server, DNS Unofficial
TCP,UDP
server and WINS. Also used by DCOM
137/
NetBIOS NetBIOS Name Service Official
TCP,UDP
138/
NetBIOS NetBIOS Datagram Service Official
TCP,UDP
139/
NetBIOS NetBIOS Session Service Official
TCP,UDP
143/ Internet Message Access Protocol (IMAP)—used for retrieving,
Official
TCP,UDP organizing, and synchronizing e-mail messages
152/
Background File Transfer Program (BFTP)[7] Official
TCP,UDP
153/
SGMP, Simple Gateway Monitoring Protocol Official
TCP,UDP
156/
SQL Service Official
TCP,UDP
158/
DMSP, Distributed Mail Service Protocol Unofficial
TCP,UDP
161/
Simple Network Management Protocol (SNMP) Official
TCP,UDP
162/
Simple Network Management Protocol Trap (SNMPTRAP)[8] Official
TCP,UDP
170/TCP Print-srv, Network PostScript Official
177/
X Display Manager Control Protocol (XDMCP) Official
TCP,UDP
179/TCP BGP (Border Gateway Protocol) Official
194/
IRC (Internet Relay Chat) Official
TCP,UDP
199/
SMUX, SNMP Unix Multiplexer Official
TCP,UDP
201/
AppleTalk Routing Maintenance Official
TCP,UDP
209/
The Quick Mail Transfer Protocol Official
TCP,UDP
210/
ANSI Z39.50 Official
TCP,UDP
213/
IPX Official
TCP,UDP
218/
MPP, Message Posting Protocol Official
TCP,UDP
220/
IMAP, Interactive Mail Access Protocol, version 3 Official
TCP,UDP
256/
2DEV "2SP" Port Unofficial
TCP,UDP
259/
ESRO, Efficient Short Remote Operations Official
TCP,UDP
264/
BGMP, Border Gateway Multicast Protocol Official
TCP,UDP
308/TCP Novastor Online Backup Official
311/TCP Mac OS X Server Admin (officially AppleShare IP Web administration) Official
318/
PKIX TSP, Time Stamp Protocol Official
TCP,UDP
323/
IMMP, Internet Message Mapping Protocol Unofficial
TCP,UDP
350/
MATIP-Type A, Mapping of Airline Traffic over Internet Protocol Official
TCP,UDP
351/
MATIP-Type B, Mapping of Airline Traffic over Internet Protocol Official
TCP,UDP
366/
ODMR, On-Demand Mail Relay Official
TCP,UDP
369/
Rpc2portmap Official
TCP,UDP
370/
codaauth2 – Coda authentication server Unofficial
TCP,UDP
370/ securecast1 – Outgoing packets to NAI's servers, http://www.nai.com/
Unofficial
TCP,UDP asp_set/anti_virus/alerts/faq.as
371/
ClearCase albd Official
TCP,UDP
383/
HP data alarm manager Official
TCP,UDP
384/
A Remote Network Server System Official
TCP,UDP
387/
AURP, AppleTalk Update-based Routing Protocol Official
TCP,UDP
389/
Lightweight Directory Access Protocol (LDAP) Official
TCP,UDP
401/
UPS Uninterruptible Power Supply Official
TCP,UDP
402/TCP Altiris, Altiris Deployment Client Unofficial
411/TCP Direct Connect Hub Unofficial
412/TCP Direct Connect Client-to-Client Unofficial
427/
Service Location Protocol (SLP) Official
TCP,UDP
443/
Hypertext Transfer Protocol over TLS/SSL (HTTPS) Official
TCP,UDP
444/
SNPP, Simple Network Paging Protocol (RFC 1568) Official
TCP,UDP
445/TCP Microsoft-DS Active Directory, Windows shares Official
445/UDP Microsoft-DS SMB file sharing Official
464/
Kerberos Change/Set password Official
TCP,UDP
465/TCP Cisco protocol Unofficial
465/TCP SMTP over SSL Unofficial
475/TCP tcpnethaspsrv (Hasp services, TCP/IP version) Official
497/TCP Dantz Retrospect Official
500/UDP Internet Security Association and Key Management Protocol (ISAKMP) Official
STMF, Simple Transportation Management Framework – DOT NTCIP
501/TCP Unofficial
1101
502/
Modbus, Protocol Unofficial
TCP,UDP
504/ Citadel – multiservice protocol for dedicated clients for the Citadel
Official
TCP,UDP groupware system
510/TCP First Class Protocol Unofficial
512/TCP Rexec, Remote Process Execution Official
512/UDP comsat, together with biff Official
513/TCP Login Official
513/UDP Who Official
514/TCP Shell—used to execute non-interactive commands on a remote system Official
514/UDP Syslog—used for system logging Official
515/TCP Line Printer Daemon—print service Official
517/UDP Talk Official
518/UDP NTalk Official
520/TCP efs, extended file name server Official
520/UDP Routing—RIP Official
524/ NCP (NetWare Core Protocol) is used for a variety things such as access
Official
TCP,UDP to primary NetWare server resources, Time Synchronization, etc.
525/UDP Timed, Timeserver Official
530/
RPC Official
TCP,UDP
531/
AOL Instant Messenger, IRC Unofficial
TCP,UDP
532/TCP netnews Official
533/UDP netwall, For Emergency Broadcasts Official
540/TCP UUCP (Unix-to-Unix Copy Protocol) Official
542/
commerce (Commerce Applications) Official
TCP,UDP
543/TCP klogin, Kerberos login Official
544/TCP kshell, Kerberos Remote shell Official
545/TCP OSIsoft PI (VMS), OSISoft PI Server Client Access Unofficial
546/
DHCPv6 client Official
TCP,UDP
547/
DHCPv6 server Official
TCP,UDP
548/TCP Apple Filing Protocol (AFP) over TCP Official
550/UDP new-rwho, new-who Official
554/
Real Time Streaming Protocol (RTSP) Official
TCP,UDP
556/TCP Remotefs, RFS, rfs_server Official
560/UDP rmonitor, Remote Monitor Official
561/UDP monitor Official
563/
NNTP protocol over TLS/SSL (NNTPS) Official
TCP,UDP
587/TCP e-mail message submission[9] (SMTP) Official
591/TCP FileMaker 6.0 (and later) Web Sharing (HTTP Alternate, also see port 80) Official
HTTP RPC Ep Map, Remote procedure call over Hypertext Transfer
593/
Protocol, often used by Distributed Component Object Model services Official
TCP,UDP
and Microsoft Exchange Server
TUNNEL profile[10], a protocol for BEEP peers to form an application
604/TCP Official
layer tunnel
623/UDP ASF Remote Management and Control Protocol (ASF-RMCP) Official
631/
Internet Printing Protocol (IPP) Official
TCP,UDP
636/
Lightweight Directory Access Protocol over TLS/SSL (LDAPS) Official
TCP,UDP
639/
MSDP, Multicast Source Discovery Protocol Official
TCP,UDP
641/ SupportSoft Nexus Remote Command (control/listening): A proxy
Official
TCP,UDP gateway connecting remote control traffic
646/ LDP, Label Distribution Protocol, a routing protocol used in MPLS
Official
TCP,UDP networks
647/TCP DHCP Failover protocol[11] Official
648/TCP RRP (Registry Registrar Protocol)[12] Official
652/TCP DTCP, Dynamic Tunnel Configuration Protocol Unofficial
653/ SupportSoft Nexus Remote Command (data): A proxy gateway
Official
TCP,UDP connecting remote control traffic
654/TCP AODV (Ad-hoc On-demand Distance Vector) Official
655/TCP IEEE MMS (IEEE Media Management System)[13][14] Official
IBM RMC (Remote monitoring and Control) protocol, used by System p5
657/ AIX Integrated Virtualization Manager (IVM)[15] and Hardware
Official
TCP,UDP Management Console to connect managed logical partitions (LPAR) to
enable dynamic partition reconfiguration
660/TCP Mac OS X Server administration Official
665/TCP sun-dr, Remote Dynamic Reconfiguration Unofficial
666/UDP Doom, first online first-person shooter Official
674/TCP ACAP (Application Configuration Access Protocol) Official
691/TCP MS Exchange Routing Official
692/TCP Hyperwave-ISP Official
694/
Linux-HA High availability Heartbeat Official
TCP,UDP
695/TCP IEEE-MMS-SSL (IEEE Media Management System over SSL)[16] Official
698/UDP OLSR (Optimized Link State Routing) Official
699/TCP Access Network Official
EPP (Extensible Provisioning Protocol), a protocol for communication
700/TCP Official
between domain name registries and registrars (RFC 5734)
LMP (Link Management Protocol (Internet))[17], a protocol that runs
701/TCP between a pair of nodes and is used to manage traffic engineering (TE) Official
links
IRIS[18][19] (Internet Registry Information Service) over BEEP (Blocks
702/TCP Official
Extensible Exchange Protocol)[20] (RFC 3983)
706/TCP SILC, Secure Internet Live Conferencing Official
Cisco TDP, Tag Distribution Protocol[21][22][23]—being replaced by the
711/TCP Official
MPLS Label Distribution Protocol[24]
TBRPF, Topology Broadcast based on Reverse-Path Forwarding routing
712/TCP Official
protocol (RFC 3684)
712/UDP Promise RAID Controller Unofficial
720/TCP SMQP, Simple Message Queue Protocol Unofficial
749/
Kerberos administration Official
TCP,UDP
750/TCP rfile Official
750/UDP loadav Official
750/UDP kerberos-iv, Kerberos version IV Official
751/
pump Official
TCP,UDP
751/
kerberos_master, Kerberos authentication Unofficial
TCP,UDP
752/TCP qrh Official
752/UDP qrh Official
752/UDP passwd_server, Kerberos Password (kpasswd) server Unofficial
753/TCP Reverse Routing Header (rrh)[25] Official
753/UDP Reverse Routing Header (rrh) Official
753/UDP userreg_server, Kerberos userreg server Unofficial
754/TCP tell send Official
754/TCP krb5_prop, Kerberos v5 slave propagation Unofficial
754/UDP tell send Official
760/
ns Official
TCP,UDP
760/
krbupdate [kreg], Kerberos registration Unofficial
TCP,UDP
782/TCP Conserver serial-console management server Unofficial
783/TCP SpamAssassin spamd daemon Unofficial
829/TCP CMP (Certificate Management Protocol) Unofficial
843/TCP Adobe Flash socket policy server Unofficial
860/TCP iSCSI (RFC 3720) Official
873/TCP rsync file synchronisation protocol Official
cddbp, CD DataBase (CDDB) protocol (CDDBP)—unassigned but
888/TCP Unofficial
widespread use
901/TCP Samba Web Administration Tool (SWAT) Unofficial
901/TCP, VMware Virtual Infrastructure Client (UDP from server being managed to
Unofficial
UDP management console)
VMware Server Console (TCP from management console to server being
902/TCP Unofficial
Managed)
VMware Server Console (UDP from server being managed to
902/UDP Unofficial
management console)
903/TCP VMware Remote Console [26] Unofficial
904/TCP VMware Server Alternate (if 902 is in use, i.e. SUSE linux) Unofficial
911/TCP Network Console on Acid (NCA)—local tty redirection over OpenSSH Unofficial
953/
Domain Name System (DNS) RNDC Service Unofficial
TCP,UDP
SofaWare Technologies Remote HTTPS management for firewall devices
981/TCP Unofficial
running embedded Check Point FireWall-1 software
989/
FTPS Protocol (data): FTP over TLS/SSL Official
TCP,UDP
990/
FTPS Protocol (control): FTP over TLS/SSL Official
TCP,UDP
991/
NAS (Netnews Administration System) Official
TCP,UDP
992/
TELNET protocol over TLS/SSL Official
TCP,UDP
993/TCP Internet Message Access Protocol over SSL (IMAPS) Official
995/TCP Post Office Protocol 3 over TLS/SSL (POP3S) Official
999/TCP ScimoreDB Database System Unofficial
1001/TCP JtoMB Unofficial
1023/
Reserved[1] Official
TCP,UDP
