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19 March, 2017

Common/Popular IANA-Registered Ports




PORT
LAYER
NAME
DESCRIPTION
1
TCP
tcpmux
TCP port service multiplexer
5
TCP
rje
Remote Job Entry
7
TCP
echo
Echo service
9
TCP
discard
Null service for connection testing
11
TCP
systat
System Status service for listing connected ports
13
TCP
daytime
Sends date and time to requesting host
17
TCP
qotd
Sends quote of the day to connected host
18
TCP
msp
Message Send Protocol
19
TCP
chargen
Character Generation service; sends endless stream of characters
20
TCP
ftp-data
FTP data port
21
TCP
ftp
File Transfer Protocol (FTP) port; sometimes used by File Service Protocol (FSP)
22
TCP
ssh
Secure Shell (SSH) service
23
TCP
telnet
The Telnet service
25
TCP
smtp
Simple Mail Transfer Protocol (SMTP)
37
TCP
time
Time Protocol
39
TCP
rlp
Resource Location Protocol
42
TCP
nameserver
Internet Name Service
43
TCP
nicname
WHOIS directory service
49
TCP
tacacs
Terminal Access Controller Access Control System for TCP/IP based authentication and access
50
TCP
re-mail-ck
Remote Mail Checking Protocol
53
TCP
domain
domain name services (such as BIND)
63
TCP
whois++
WHOIS++, extended WHOIS services
67
TCP
bootps
Bootstrap Protocol (BOOTP) services; also used by Dynamic Host Configuration Protocol (DHCP) services
68
TCP
bootpc
Bootstrap (BOOTP) client; also used by Dynamic Host Control Protocol (DHCP) clients
69
TCP
tftp
Trivial File Transfer Protocol (TFTP)
70
TCP
gopher
Gopher Internet document search and retrieval
71
TCP
netrjs-1
Remote Job Service
72
TCP
netrjs-2
Remote Job Service
73
TCP
netrjs-3
Remote Job Service
73
TCP
netrjs-4
Remote Job Service
79
TCP
finger
Finger service for user contact information
80
TCP
http
HyperText Transfer Protocol (HTTP) for World Wide Web (WWW) services
88
TCP
kerberos
Kerberos network authentication system
95
TCP
supdup
Telnet protocol extension
101
TCP
hostname
Hostname services on SRI-NIC machines
102
TCP
iso-tsap
ISO Development Environment (ISODE) network applications
105
TCP
csnet-ns
Mailbox nameserver; also used by CSO nameserver
107
TCP
rtelnet
Remote Telnet
109
TCP
pop2
Post Office Protocol version 2
110
TCP
POP3
Post Office Protocol version 3
111
TCP
sunrpc
Remote Procedure Call (RPC) Protocol for remote command execution, used by Network Filesystem (NFS)
113
TCP
auth
Authentication and Ident protocols
115
TCP
sftp
Secure File Transfer Protocol (SFTP) services
117
TCP
uucp-path
Unix-to-Unix Copy Protocol (UUCP) Path services
119
TCP
nntp
Network News Transfer Protocol (NNTP) for the USENET discussion system
123
TCP
ntp
Network Time Protocol (NTP)
137
TCP
netbios-ns
NETBIOS Name Service used in Red Hat Enterprise Linux by Samba
138
TCP
netbios-dgm
NETBIOS Datagram Service used in Red Hat Enterprise Linux by Samba
139
TCP
netbios-ssn
NETBIOS Session Service used in Red Hat Enterprise Linux by Samba
143
TCP
IMAP
Internet Message Access Protocol (IMAP)
161
TCP
snmp
Simple Network Management Protocol (SNMP)
162
TCP
snmptrap
Traps for SNMP
163
TCP
cmip-man
Common Management Information Protocol (CMIP)
164
TCP
cmip-agent
Common Management Information Protocol (CMIP)
174
TCP
mailq
MAILQ email transport queue
177
TCP
xdmcp
X Display Manager Control Protocol (XDMCP)
178
TCP
nextstep
NeXTStep window server
179
TCP
bgp
Border Gateway Protocol
191
TCP
prospero
Prospero distributed filesystem services
194
TCP
irc
Internet Relay Chat (IRC)
199
TCP
smux
SNMP UNIX Multiplexer
201
TCP
at-rtmp
AppleTalk routing
202
TCP
at-nbp
AppleTalk name binding
204
TCP
at-echo
AppleTalk echo
206
TCP
at-zis
AppleTalk zone information
209
TCP
qmtp
Quick Mail Transfer Protocol (QMTP)
210
TCP
z39.50
NISO Z39.50 database
213
TCP
ipx
Internetwork Packet Exchange (IPX), a datagram protocol commonly used in Novell Netware environments
220
TCP
IMAP3
Internet Message Access Protocol version 3
245
TCP
link
LINK / 3-DNS iQuery service
347
TCP
fatserv
FATMEN file and tape management server
363
TCP
rsvp_tunnel
RSVP Tunnel
369
TCP
rpc2portmap
Coda file system portmapper
370
TCP
codaauth2
Coda file system authentication services
372
TCP
ulistproc
UNIX LISTSERV
389
TCP
ldap
Lightweight Directory Access Protocol (LDAP)
427
TCP
svrloc
Service Location Protocol (SLP)
434
TCP
mobileip-agent
Mobile Internet Protocol (IP) agent
435
TCP
mobilip-mn
Mobile Internet Protocol (IP) manager
443
TCP
https
Secure Hypertext Transfer Protocol (HTTP)
444
TCP
snpp
Simple Network Paging Protocol
445
TCP
microsoft-ds
Server Message Block (SMB) over TCP/IP
464
TCP
kpasswd
Kerberos password and key changing services
468
TCP
photuris
Photuris session key management protocol
487
TCP
saft
Simple Asynchronous File Transfer (SAFT) protocol
488
TCP
gss-http
Generic Security Services (GSS) for HTTP
496
TCP
pim-rp-disc
Rendezvous Point Discovery (RP-DISC) for Protocol Independent Multicast (PIM) services
500
TCP
isakmp
Internet Security Association and Key Management Protocol (ISAKMP)
535
TCP
iiop
Internet Inter-Orb Protocol (IIOP)
538
TCP
gdomap
GNUstep Distributed Objects Mapper (GDOMAP)
546
TCP
dhcpv6-client
Dynamic Host Configuration Protocol (DHCP) version 6 client
547
TCP
dhcpv6-server
Dynamic Host Configuration Protocol (DHCP) version 6 Service
554
TCP
rtsp
Real Time Stream Control Protocol (RTSP)
563
TCP
nntps
Network News Transport Protocol over Secure Sockets Layer (NNTPS)
565
TCP
whoami
whoami user ID listing
587
TCP
submission
Mail Message Submission Agent (MSA)
610
TCP
npmp-local
Network Peripheral Management Protocol (NPMP) local / Distributed Queueing System (DQS)
611
TCP
npmp-gui
Network Peripheral Management Protocol (NPMP) GUI / Distributed Queueing System (DQS)
612
TCP
hmmp-ind
HyperMedia Management Protocol (HMMP) Indication / DQS
631
TCP
ipp
Internet Printing Protocol (IPP)
636
TCP
ldaps
Lightweight Directory Access Protocol over Secure Sockets Layer (LDAPS)
674
TCP
acap
Application Configuration Access Protocol (ACAP)
694
TCP
ha-cluster
Heartbeat services for High-Availability Clusters
749
TCP
kerberos-adm
Kerberos version 5 (v5) ‘kadmin’ database administration
750
TCP
kerberos-iv
Kerberos version 4 (v4) services
765
TCP
webster
Network Dictionary
767
TCP
phonebook
Network Phonebook
873
TCP
rsync
rsync file transfer services
992
TCP
telnets
Telnet over Secure Sockets Layer (TelnetS)
993
TCP
IMAPS
Internet Message Access Protocol over Secure Sockets Layer (IMAPS)
994
TCP
ircs
Internet Relay Chat over Secure Sockets Layer (IRCS)
995
TCP
POP3s
Post Office Protocol version 3 over Secure Sockets Layer (POP3S)

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