1/TCP,UDP
TCP Port Service Multiplexer
2/TCP,UDP
Management Utility
3/TCP,UDP
Compression Process
5/TCP,UDP
Remote Job Entry
7/TCP,UDP
Echo
9/TCP,UDP
Discard
11/TCP,UDP
Active Users
13/TCP,UDP
DAYTIME - (RFC 867)
17/TCP,UDP
Quote of the Day
18/TCP,UDP
Message Send Protocol
19/TCP,UDP
Character Generator
20/TCP
FTP - data
21/TCP
FTP—control (command)
22/TCP,UDP
Secure Shell (SSH)—used for secure logins, file transfers (scp, sftp) and port forwarding
23/TCP
Telnet protocol—unencrypted text communications
25/TCP
Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between mail servers
35/TCP,UDP
Any private printer server protocol
35/TCP,UDP
QMS Magicolor 2 printer server protocol
37/TCP,UDP
TIME protocol
39/TCP,UDP
Resource Location Protocol[3] (RLP)—used for determining the location of higher level services from hosts on a network
41/TCP,UDP
Graphics
42/TCP,UDP
nameserver, ARPA Host Name Server Protocol
42/TCP,UDP
WINS
43/TCP
WHOIS protocol
49/TCP,UDP
TACACS Login Host protocol
52/TCP,UDP
XNS (Xerox Network Services) Time Protocol
53/TCP,UDP
Domain Name System (DNS)
54/TCP,UDP
XNS (Xerox Network Services) Clearinghouse
56/TCP,UDP
XNS (Xerox Network Services) Authentication
56/TCP,UDP
RAP (Route Access Protocol)[4]
57/TCP
MTP, Mail Transfer Protocol
58/TCP,UDP
XNS (Xerox Network Services) Mail
67/UDP
Bootstrap Protocol (BOOTP) Server; also used by Dynamic Host Configuration Protocol (DHCP)
68/UDP
Bootstrap Protocol (BOOTP) Client; also used by Dynamic Host Configuration Protocol (DHCP)
69/UDP
Trivial File Transfer Protocol (TFTP)
70/TCP
Gopher protocol
79/TCP
Finger protocol
80/TCP
Hypertext Transfer Protocol (HTTP)
81/TCP
Torpark—Onion routing
82/UDP
Torpark—Control
83/TCP
MIT ML Device
88/TCP
Kerberos—authentication system
90/TCP,UDP
dnsix (DoD Network Security for Information Exchange) Securit Attribute Token Map
90/TCP,UDP
Pointcast
101/TCP
NIC host name
102/TCP
ISO-TSAP (Transport Service Access Point) Class 0 protocol[5]
104/TCP,UDP
ACR/NEMA Digital Imaging and Communications in Medicine
107/TCP
Remote TELNET Service[6] protocol
109/TCP
Post Office Protocol 2 (POP2)
110/TCP
Post Office Protocol 3 (POP3)
111/TCP,UDP
Sun Remote Procedure Call
113/UDP
ident—old user identification system, still used by IRC servers to identify users
113/TCP,UDP
Authentication Service (auth)
115/TCP
Simple File Transfer Protocol (SFTP)
117/TCP
UUCP Path Service
118/TCP,UDP
SQL (Structured Query Language) Services
119/TCP
Network News Transfer Protocol (NNTP)—used for retrieving newsgroup messages
123/UDP
Network Time Protocol (NTP)—used for time synchronization
135/TCP,UDP
DCE endpoint resolution
135/TCP,UDP
Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator service[7], used to remotely manage services including DHCP server, DNS server and WINS
137/TCP,UDP
NetBIOS NetBIOS Name Service
138/TCP,UDP
NetBIOS NetBIOS Datagram Service
139/TCP,UDP
NetBIOS NetBIOS Session Service
143/TCP,UDP
Internet Message Access Protocol (IMAP)—used for retrieving, organizing, and synchronizing e-mail messages
152/TCP,UDP
Background File Transfer Program (BFTP)[8]
153/TCP,UDP
SGMP, Simple Gateway Monitoring Protocol
156/TCP,UDP
SQL Service
158/TCP,UDP
DMSP, Distributed Mail Service Protocol
161/TCP,UDP
Simple Network Management Protocol (SNMP)
162/TCP,UDP
Simple Network Management Protocol Trap (SNMPTRAP)[9]
170/TCP
Print-srv, Network PostScript
177/TCP,UDP
X Display Manager Control Protocol (XDMCP)
179/TCP
BGP (Border Gateway Protocol)
194/UDP
IRC (Internet Relay Chat)
201/TCP,UDP
AppleTalk Routing Maintenance
209/TCP,UDP
The Quick Mail Transfer Protocol
213/TCP,UDP
IPX
218/TCP,UDP
MPP, Message Posting Protocol
220/TCP,UDP
IMAP, Interactive Mail Access Protocol, version 3
259/TCP,UDP
ESRO, Efficient Short Remote Operations
264/TCP,UDP
BGMP, Border Gateway Multicast Protocol
311/TCP
Mac OS X Server Admin (officially AppleShare IP Web admistration)
308/TCP
Novastor Online Backup
318/TCP,UDP
PKIX TSP, Time Stamp Protocol
323/TCP,UDP
IMMP, Internet Message Mapping Protocol
350/TCP,UDP
MATIP-Type A, Mapping of Airline Traffic over Internet Protocol
351/TCP,UDP
MATIP-Type B, Mapping of Airline Traffic over Internet Protocol
366/TCP,UDP
ODMR, On-Demand Mail Relay
369/TCP,UDP
Rpc2portmap
371/TCP,UDP
ClearCase albd
383/TCP,UDP
HP data alarm manager
384/TCP,UDP
A Remote Network Server System
387/TCP,UDP
AURP, AppleTalk Update-based Routing Protocol
389/TCP,UDP
Lightweight Directory Access Protocol (LDAP)
401/TCP,UDP
UPS Uninterruptible Power Supply
402/TCP
Altiris, Altiris Deployment Client
411/TCP
Direct Connect Hub
412/TCP
Direct Connect Client-to-Client
427/TCP,UDP
Service Location Protocol (SLP)
443/TCP,UDP
Hypertext Transfer Protocol over TLS/SSL (HTTPS)
444/TCP,UDP
SNPP, Simple Network Paging Protocol (RFC 1568)
445/TCP
Microsoft-DS Active Directory, Windows shares
445/UDP
Microsoft-DS SMB file sharing
464/TCP,UDP
Kerberos Change/Set password
465/TCP
Cisco protocol
465/TCP
SMTP over SSL
475/TCP
tcpnethaspsrv (Hasp services, TCP/IP version)
497/TCP
Dantz Retrospect
500/UDP
Internet Security Association and Key Management Protocol (ISAKMP)
502/TCP,UDP
Modbus, Protocol
504/TCP,UDP
Citadel - multiservice protocol for dedicated clients for the Citadel groupware system
510/TCP
First Class Protocol
512/TCP
Rexec, Remote Process Execution
512/UDP
comsat, together with biff
513/TCP
Login
513/UDP
Who
514/TCP
Shell—used to execute non-interactive commands on a remote system
514/UDP
Syslog—used for system logging
515/TCP
Line Printer Daemon—print service
517/UDP
Talk
518/UDP
NTalk
520/TCP
efs, extended file name server
520/UDP
Routing—RIP
524/TCP,UDP
NCP (NetWare Core Protocol) is used for a variety things such as access to primary NetWare server resources, Time Synchronization, etc.
525/UDP
Timed, Timeserver
530/TCP,UDP
RPC
531/TCP,UDP
AOL Instant Messenger, IRC
532/TCP
netnews
533/UDP
netwall, For Emergency Broadcasts
540/TCP
UUCP (Unix-to-Unix Copy Protocol)
542/TCP,UDP
commerce (Commerce Applications)
543/TCP
klogin, Kerberos login
544/TCP
kshell, Kerberos Remote shell
546/TCP,UDP
DHCPv6 client
547/TCP,UDP
DHCPv6 server
548/TCP
Apple Filing Protocol (AFP) over TCP
550/UDP
new-rwho, new-who
554/TCP,UDP
Real Time Streaming Protocol (RTSP)
556/TCP
Remotefs, RFS, rfs_server
560/UDP
rmonitor, Remote Monitor
561/UDP
monitor
563/TCP,UDP
NNTP protocol over TLS/SSL (NNTPS)
587/TCP
e-mail message submission[10] (SMTP)
591/TCP
FileMaker 6.0 (and later) Web Sharing (HTTP Alternate, also see port 80)
593/TCP,UDP
HTTP RPC Ep Map, Remote procedure call over Hypertext Transfer Protocol, often used by Distributed Component Object Model services and Microsoft Exchange Server
604/TCP
TUNNEL profile[11], a protocol for BEEP peers to form an application layer tunnel
623/UDP
ASF Remote Management and Control Protocol (ASF-RMCP)
631/TCP,UDP
Internet Printing Protocol (IPP)
636/TCP,UDP
Lightweight Directory Access Protocol over TLS/SSL (LDAPS)
639/TCP,UDP
MSDP, Multicast Source Discovery Protocol
646/TCP,UDP
LDP, Label Distribution Protocol, a routing protocol used in MPLS networks
647/TCP
DHCP Failover protocol[12]
648/TCP
RRP (Registry Registrar Protocol)[13]
652/TCP
DTCP, Dynamic Tunnel Configuration Protocol
654/TCP
AODV (Ad-hoc On-demand Distance Vector)
655/TCP
IEEE MMS (IEEE Media Management System)[14][15]
657/TCP,UDP
IBM RMC (Remote monitoring and Control) protocol, used by System p5 AIX Integrated Virtualization Manager (IVM)[16] and Hardware Management Console to connect managed logical partitions (LPAR) to enable dynamic partition reconfiguration
660/TCP
Mac OS X Server administration
665/TCP
sun-dr, Remote Dynamic Reconfiguration
666/UDP
Doom, first online first-person shooter
674/TCP
ACAP (Application Configuration Access Protocol)
691/TCP
MS Exchange Routing
692/TCP
Hyperwave-ISP
694/UDP
Linux-HA High availability Heartbeat
695/TCP
IEEE-MMS-SSL (IEEE Media Management System over SSL)[17]
698/UDP
OLSR (Optimized Link State Routing)
699/TCP
Access Network
700/TCP
EPP (Extensible Provisioning Protocol), a protocol for communication between domain name registries and registrars (RFC 4934)
701/TCP
LMP (Link Management Protocol (Internet))[18], a protocol that runs between a pair of nodes and is used to manage traffic engineering (TE) links
702/TCP
IRIS[19][20] (Internet Registry Information Service) over BEEP (Blocks Extensible Exchange Protocol)[21] (RFC 3983)
706/TCP
SILC, Secure Internet Live Conferencing
711/TCP
Cisco TDP, Tag Distribution Protocol[22][23][24]—being replaced by the MPLS Label Distribution Protocol[25]
712/TCP
TBRPF, Topology Broadcast based on Reverse-Path Forwarding routing protocol (RFC 3684)
712/UDP
Promise RAID Controller
720/TCP
SMQP, Simple Message Queue Protocol
749/TCP,UDP
Kerberos administration
750/TCP
rfile
750/UDP
loadav
750/UDP
kerberos-iv, Kerberos version IV
751/TCP,UDP
pump
751/TCP,UDP
kerberos_master, Kerberos authentication
752/TCP
qrh
752/UDP
qrh
752/UDP
userreg_server, Kerberos Password (kpasswd) server
753/TCP
Reverse Routing Header (rrh)[26]
753/UDP
Reverse Routing Header (rrh)
753/UDP
passwd_server, Kerberos userreg server
754/TCP
tell send
754/TCP
krb5_prop, Kerberos v5 slave propagation
754/UDP
tell send
760/TCP,UDP
ns
760/TCP,UDP
krbupdate [kreg], Kerberos registration
782/TCP
Conserver serial-console management server
783/TCP
SpamAssassin spamd daemon
829/TCP
CMP (Certificate Management Protocol)
860/TCP
iSCSI (RFC 3720)
873/TCP
rsync file synchronisation protocol
888/TCP
cddbp, CD DataBase (CDDB) protocol (CDDBP)—unassigned but widespread use
901/TCP
Samba Web Administration Tool (SWAT)
901/TCP, UDP
VMware Virtual Infrastructure Client (UDP from server being managed to management console)
902/TCP
VMware Server Console (TCP from management console to server being Managed)
904/TCP
VMware Server Alternate (if 902 is in use, i.e. SUSE linux)
911/TCP
Network Console on Acid (NCA)—local tty redirection over OpenSSH
953/TCP,UDP
Domain Name System (DNS) RDNC Service
981/TCP
SofaWare Technologies Remote HTTPS management for firewall devices running embedded Check Point FireWall-1 software
989/TCP,UDP
FTPS Protocol (data): FTP over TLS/SSL
990/TCP,UDP
FTPS Protocol (control): FTP over TLS/SSL
991/TCP,UDP
NAS (Netnews Administration System)
992/TCP,UDP
TELNET protocol over TLS/SSL
993/TCP
Internet Message Access Protocol over SSL (IMAPS)
995/TCP
Post Office Protocol 3 over TLS/SSL (POP3S)
999/TCP
ScimoreDB Database System
1023/TCP,UDP
Reserved[1]
