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Common Port Numbers
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 |
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For a complete list of port number assignments, see the
IANA's list of port numbers.
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|
Port
|
Keywords
|
Protocols
|
Assignment/Description
|
|
6
|
echo
|
TCP, UDP
|
Echo (ICMP)
|
|
20
|
ftp-data
|
TCP
|
File Transfer (FTP) Default Data
|
|
21
|
ftp
|
TCP
|
File Transfer (FTP) Control
|
|
22
|
ssh
|
TCP, UDP
|
Secure Shell (SSH) Remote Login
|
|
23
|
telnet
|
TCP, UDP
|
Telnet
|
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25
|
smtp
|
TCP, UDP
|
Simple Mail Transfer (SMTP)
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|
42
|
name, nameserver
|
TCP, UDP
|
Host Name Server
|
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43
|
nicname
|
TCP
|
Who Is (WHOIS)
|
|
49
|
tacacs
|
TCP, UDP
|
Login Host Protocol (TACACS)
|
|
53
|
domain
|
TCP, UDP
|
Domain Name Server (DNS)
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|
67
|
bootps, dhcp
|
UDP
|
Bootstrap Protocol (BOOTP) Server Dynamic Host Configuration Protocol (DHCP) Client
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|
68
|
bootpc, dhcp
|
UDP
|
BOOTP Client, DHCP Server
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|
69
|
tftp
|
UDP
|
Trivial File Transfer (TFTP)
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|
70
|
gopher
|
TCP
|
Gopher
|
|
79
|
finger
|
TCP
|
Finger
|
|
80
|
http, www
|
TCP
|
World Wide Web/Hypertext Transfer (HTTP)
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|
81
|
http, www
|
TCP
|
HTTP alternate
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|
88
|
kerberos
|
TCP
|
Kerberos
|
|
107
|
rtelnet
|
TCP
|
Remote Telnet Service
|
|
110
|
pop3
|
TCP
|
Post Office Protocol (POP) Version 3
|
|
111
|
sunrpc
|
TCP, UDP
|
SUN Remote Procedure Call (SUN RPC) Open Network Computing RPC (ONC RPC)
|
|
115
|
sftp
|
TCP
|
Simple File Transfer Protocol (SFTP)
|
|
118
|
sqlserv
|
TCP, UDP
|
SQL Services
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|
119
|
nntp
|
TCP
|
Network News Transfer Protocol (NNTP)
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|
123
|
ntp
|
UDP
|
Network Time Protocol (NTP)
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|
135
|
epmap
|
TCP, UDP
|
DCE Endpoint Mapper (Epmap)
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|
137
|
netbois-ns
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TCP, UDP
|
NETBIOS Name Service
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|
138
|
netbois-dgm
|
TCP, UDP
|
NETBIOS Datagram Service
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|
139
|
netbois-ssn
|
TCP, UDP
|
NETBIOS Session Service
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|
143
|
imap
|
TCP, UDP
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Internet Message Access Protocol (IMAP)
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161
|
snmp
|
TCP, UDP
|
Simple Network Management Protocol (SNMP)
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|
162
|
snmptrap
|
TCP, UDP
|
SNMP TRAP
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|
179
|
bgp
|
TCP
|
Border Gateway Protocol (BGP)
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194
|
irc
|
TCP
|
Internet Relay Chat Protocol (IRC)
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|
213
|
ipx
|
TCP, UDP
|
Internetwork Packet Exchange (IPX)
|
|
389
|
ldap
|
TCP, UDP
|
Lightweight Directory Access Protocol (LDAP)
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|
396
|
netware-ip
|
TCP, UDP
|
Novell Netware over IP
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|
401
|
ups
|
TCP, UDP
|
Uninterruptible Power Supply
|
|
427
|
svrloc
|
TCP, UDP
|
Service Location Protocol (SLP)
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|
443
|
https
|
TCP
|
HTTP over TLS/SSL
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464
|
kpasswd
|
TCP, UDP
|
Kerberos Change/Set password
|
|
465
|
smtps
|
TCP
|
SMTP over TLS/SSL
|
|
500
|
isakmp
|
TCP, UDP
|
Internet Key Exchange (IKE) / Internet Security Association & Key Management
Protocol (ISAKMP)
|
|
514
|
rsh
|
TCP
|
Remote Shell (rsh) Protocol
|
|
514
|
syslog
|
UDP
|
System Logging (Syslog)
|
|
Port
|
Keywords
|
Protocols
|
Assignment/Description
|
|
515
|
lpd
|
TCP
|
Line Printer (LPR), Line Printer Daemon (LPD)
|
|
520
|
router
|
UDP
|
Routing Information Protocol (RIP)
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|
530
|
courier
|
TCP, UDP
|
Remote Procedure Call (RPC)
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|
531
|
conference
|
TCP
|
IRC
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|
543
|
klogin
|
TCP
|
Kerberos klogin
|
|
544
|
kshell
|
TCP
|
Kerberos kshell
|
|
546
|
dhcpv6-client
|
TCP, UDP
|
DHCP version 6 Server
|
|
547
|
dhcpv6-server
|
TCP, UDP
|
DHCP version 6 Client
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|
554
|
rtsp
|
TCP, UDP
|
Real-time Streaming Protocol (RTSP)
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|
563
|
nntps
|
TCP, UDP
|
NNTP over SSL
|
|
587
|
submission
|
TCP
|
SMTP Message Submission
|
|
593
|
http-rpc-epmap
|
TCP, UDP
|
HTTP RPC Epmap / RPC over HTTP
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|
631
|
ipp
|
TCP, UDP
|
Internet Printing Protocol (IPP)
|
|
636
|
ldaps
|
TCP, UDP
|
LDAP over TLS/SSL
|
|
749
|
kerberos-adm
|
TCP, UDP
|
Kerberos Administration
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|
860
|
iscsi
|
TCP
|
iSCSI
|
|
873
|
rsync
|
TCP
|
rsync File synchornization protocol
|
|
888
|
cddbp
|
TCP
|
CD Database Protocol
|
|
989
|
ftps-data
|
TCP, UDP
|
FTP Data over TLS/SSL
|
|
990
|
ftps
|
TCP, UDP
|
FTP Control over TLS/SSL
|
|
992
|
telnets
|
TCP, UDP
|
Telnet Protocol over TLS/SSL
|
|
993
|
imaps
|
TCP
|
IMAP4 over TLS/SSL
|
|
994
|
ircs
|
|
IRC Protocol over TLS/SSL
|
|
995
|
pop3s
|
TCP
|
POP3 over TLS/SSL
|
|
1067
|
instl_boots
|
TCP
|
Installation Bootstrap Protocol Server
|
|
1068
|
instl_bootc
|
TCP
|
Installation Bootstrap Protocol Client
|
|
1512
|
wins
|
TCP, UDP
|
Microsoft Windows Internet Name Service (WINS)
|
|
1645
|
<unassigned>
|
UDP
|
RADIUS Authentication Protocol legacy
|
|
1646
|
<unassigned>
|
UDP
|
RADIUS Accounting Protocol legacy
|
|
1701
|
l2f, l2tp
|
UDP
|
Layer 2 Tunneling Protocol (L2TP)
|
|
1723
|
pptp
|
TCP, UDP
|
Point-to-Point Tunneling Protocol (PPTP)
|
|
1812
|
radius
|
UDP
|
RADIUS Authentication Protocol
|
|
1813
|
radius-acct
|
UDP
|
RADIUS Accounting Protocol
|
|
1900
|
ssdp
|
UDP
|
Simple Service Discovery Protocol (SSDP)
|
|
2049
|
nfs
|
UDP
|
Network File System (NFS)
|
|
3205
|
isns
|
TCP
|
Internet Storage Name Service (iSNS)
|
|
3260
|
iscsi
|
TCP
|
Internet Small Computer Systems Interface (iSCSI) Target
|
|
5004
|
avt-profile-1
|
TCP, UDP
|
Real-time Transport Protocol (RTP) Media Data
|
|
5005
|
avt-profile-2
|
TCP, UDP
|
RTP Control Protocol
|
|
5222
|
xmpp-client
|
TCP
|
Extensible Messaging & Presence Protocol (XMPP) Jabber Client
|
|
5223
|
<unassigned>
|
TCP
|
XMPP/Jabber over SSL
|
|
5269
|
<unassigned>
|
TCP
|
XMPP/Jabber Server
|
|
5351
|
nat-pmp
|
TCP, UDP
|
Network Address Translation (NAT) Port Mapping Protocol
|
|
6346
|
gnutella-svc
|
TCP, UDP
|
Gnutella Service
|
|
6665
|
ircu
|
TCP
|
Internet Relay Chat Protocol (IRC), thru port 6669
|
|
8010
|
<unassigned>
|
TCP
|
XMPP/Jabber File Transfer
|
|
9100
|
pdl-datastream
|
TCP, UDP
|
Print Description Language (PDL) Data
|
|
33434
|
traceroute
|
UDP
|
traceroute (may use range up to 33454)
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