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19 March, 2017

Common Ports in Linux


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)

UNIX-Specific Ports
PORT
LAYER
NAME
DESCRIPTION
512
TCP
exec
Authentication for remote process execution
512
UDP
biff [comsat]
Asynchrous mail client (biff) and service (comsat)
513
TCP
login
Remote Login (rlogin)
513
UDP
who [whod]
whod user logging daemon
514
TCP
shell [cmd]
Remote shell (rshell) and remote copy (rcp) with no logging
514
UDP
syslog
UNIX system logging service
515
printer [spooler]
Line printer (lpr) spooler
517
UDP
talk
Talk remote calling service and client
518
UDP
ntalk
Network talk (ntalk) remote calling service and client
519
utime [unixtime]
UNIX time (utime) protocol
520
TCP
efs
Extended Filename Server (EFS)
520
UDP
router [route, routed]
Routing Information Protocol (RIP)
521
ripng
Routing Information Protocol for Internet Protocol version 6 (IPv6)
525
timed [timeserver]
Time daemon (timed)
526/
TCP
tempo [newdate]
Tempo
530
TCP
courier [rpc]
Courier Remote Procedure Call (RPC) protocol
531
TCP
conference [chat]
Internet Relay Chat
532
netnews
Netnews newsgroup service
533
UDP
netwall
Netwall for emergency broadcasts
540
TCP
uucp [uucpd]
UNIX-to-UNIX copy services
543
TCP
klogin
Kerberos version 5 (v5) remote login
544
TCP
kshell
Kerberos version 5 (v5) remote shell
548
afpovertcp
Appletalk Filing Protocol (AFP) over Transmission Control Protocol (TCP)
556
remotefs [rfs_server, rfs]
Brunhoff’s Remote Filesystem (RFS)

Ports Submitted To IANA By Network Community
PORT
LAYER
NAME
COMMENT
1080
socks
SOCKS network application proxy services
1236
bvcontrol [rmtcfg]
Remote configuration server for Gracilis Packeten network switches[a]
1300
h323hostcallsc
H.323 telecommunication Host Call Secure
1433
ms-sql-s
Microsoft SQL Server
1434
ms-sql-m
Microsoft SQL Monitor
1494
ica
Citrix ICA Client
1512
wins
Microsoft Windows Internet Name Server
1524
ingreslock
Ingres Database Management System (DBMS) lock services
1525
prospero-np
Prospero non-privileged
1645
datametrics [old-radius]
Datametrics / old radius entry
1646
sa-msg-port [oldradacct]
sa-msg-port / old radacct entry
1649
kermit
Kermit file transfer and management service
1701
l2tp [l2f]
Layer 2 Tunneling Protocol (LT2P) / Layer 2 Forwarding (L2F)
1718
h323gatedisc
H.323 telecommunication Gatekeeper Discovery
1719
h323gatestat
H.323 telecommunication Gatekeeper Status
1720
h323hostcall
H.323 telecommunication Host Call setup
1758
tftp-mcast
Trivial FTP Multicast
1759
UDP
mtftp
Multicast Trivial FTP (MTFTP)
1789
hello
Hello router communication protocol
1812
radius
Radius dial-up authentication and accounting services
1813
radius-acct
Radius Accounting
1911
mtp
Starlight Networks Multimedia Transport Protocol (MTP)
1985
hsrp
Cisco Hot Standby Router Protocol
1986
licensedaemon
Cisco License Management Daemon
1997
gdp-port
Cisco Gateway Discovery Protocol (GDP)
2049
nfs [nfsd]
Network File System (NFS)
2102
zephyr-srv
Zephyr distributed messaging Server
2103
zephyr-clt
Zephyr client
2104
zephyr-hm
Zephyr host manager
2401
cvspserver
Concurrent Versions System (CVS) client/server operations
2430
TCP
venus
Venus cache manager for Coda file system (codacon port)
2430
UDP
venus
Venus cache manager for Coda file system (callback/wbc interface)
2431
TCP
venus-se
Venus Transmission Control Protocol (TCP) side effects
2431
UDP
venus-se
Venus User Datagram Protocol (UDP) side effects
2432
UDP
codasrv
Coda file system server port
2433
TCP
codasrv-se
Coda file system TCP side effects
2433
UDP
codasrv-se
Coda file system UDP SFTP side effect
2600
hpstgmgr [zebrasrv]
Zebra routing[b]
2601
discp-client [zebra]
discp client; Zebra integrated shell
2602
discp-server [ripd]
discp server; Routing Information Protocol daemon (ripd)
2603
servicemeter [ripngd]
Service Meter; RIP daemon for IPv6
2604
nsc-ccs [ospfd]
NSC CCS; Open Shortest Path First daemon (ospfd)
2605
nsc-posa
NSC POSA; Border Gateway Protocol daemon (bgpd)
2606
netmon [ospf6d]
Dell Netmon; OSPF for IPv6 daemon (ospf6d)
2809
corbaloc
Common Object Request Broker Architecture (CORBA) naming service locator
3130
icpv2
Internet Cache Protocol version 2 (v2); used by Squid proxy caching server
3306
mysql
MySQL database service
3346
trnsprntproxy
Transparent proxy
4011
pxe
Pre-execution Environment (PXE) service
4321
rwhois
Remote Whois (rwhois) service
4444
krb524
Kerberos version 5 (v5) to version 4 (v4) ticket translator
5002
rfe
Radio Free Ethernet (RFE) audio broadcasting system
5308
cfengine
Configuration engine (Cfengine)
5999
cvsup [CVSup]
CVSup file transfer and update tool
6000
TCP
x11 [X]
X Window System services
7000
afs3-fileserver
Andrew File System (AFS) file server
7001
afs3-callback
AFS port for callbacks to cache manager
7002
afs3-prserver
AFS user and group database
7003
afs3-vlserver
AFS volume location database
7004
afs3-kaserver
AFS Kerberos authentication service
7005
afs3-volser
AFS volume management server
7006
afs3-errors
AFS error interpretation service
7007
afs3-bos
AFS basic overseer process
7008
afs3-update
AFS server-to-server updater
7009
afs3-rmtsys
AFS remote cache manager service
9876
sd
Session Director for IP multicast conferencing
10080
amanda
Advanced Maryland Automatic Network Disk Archiver (Amanda) backup services
11371
pgpkeyserver
Pretty Good Privacy (PGP) / GNU Privacy Guard (GPG) public keyserver
11720
h323callsigalt
H.323 Call Signal Alternate
13720
bprd
Veritas NetBackup Request Daemon (bprd)
13721
bpdbm
Veritas NetBackup Database Manager (bpdbm)
13722
bpjava-msvc
Veritas NetBackup Java / Microsoft Visual C++ (MSVC) protocol
13724
vnetd
Veritas network utility
13782
bpcd
Veritas NetBackup
13783
vopied
Veritas VOPIE authentication daemon
22273
wnn6 [wnn4]
Kana/Kanji conversion system
26000
quake
Quake (and related) multi-player game servers
26208
wnn6-ds
Wnn6 Kana/Kanji server
33434
traceroute
Traceroute network tracking tool

Red Hat Enterprise Linux (RHEL) Ports
PORT
LAYER
NAME
COMMENT
15
tcp
netstat
Network Status (netstat)
98
tcp
linuxconf
Linuxconf Linux administration tool
106
poppassd
Post Office Protocol password change daemon (POPPASSD)
465
tcp
smtps
Simple Mail Transfer Protocol over Secure Sockets Layer (SMTPS)
616
tcp
gii
Gated (routing daemon) Interactive Interface
808
omirr [omirrd]
Online Mirror (Omirr) file mirroring services
871
tcp
supfileserv
Software Upgrade Protocol (SUP) server
901
tcp
swat
Samba Web Administration Tool (SWAT)
953
rndc
Berkeley Internet Name Domain version 9 (BIND 9) remote configuration tool
1127
tcp
supfiledbg
Software Upgrade Protocol (SUP) debugging
1178
tcp
skkserv
Simple Kana to Kanji (SKK) Japanese input server
1313
tcp
xtel
French Minitel text information system
1529
tcp
support [prmsd, gnatsd]
GNATS bug tracking system
2003
tcp
cfinger
GNU finger
2150
ninstall
Network Installation Service
2988
afbackup
afbackup client-server backup system
3128
tcp
squid
Squid Web proxy cache
3455
prsvp
RSVP port
5432
postgres
PostgreSQL database
4557
tcp
fax
FAX transmission service (old service)
4559
tcp
hylafax
HylaFAX client-server protocol (new service)
5232
sgi-dgl
SGI Distributed Graphics Library
5354
noclog
NOCOL network operation center logging daemon (noclogd)
5355
hostmon
NOCOL network operation center host monitoring
5680
tcp
canna
Canna Japanese character input interface
6010
tcp
x11-ssh-offset
Secure Shell (SSH) X11 forwarding offset
6667
ircd
Internet Relay Chat daemon (ircd)
7100
tcp
xfs
X Font Server (XFS)
7666
tcp
tircproxy
Tircproxy IRC proxy service
8008
http-alt
Hypertext Tranfer Protocol (HTTP) alternate
8080
webcache
World Wide Web (WWW) caching service
8081
tproxy
Transparent Proxy
9100
tcp
jetdirect [laserjet, hplj]
Hewlett-Packard (HP) JetDirect network printing service
9359
mandelspawn [mandelbrot]
Parallel mandelbrot spawning program for the X Window System
10081
kamanda
Amanda backup service over Kerberos
10082
tcp
amandaidx
Amanda index server
10083
tcp
amidxtape
Amanda tape server
20011
isdnlog
Integrated Services Digital Network (ISDN) logging system
20012
vboxd
ISDN voice box daemon (vboxd)
22305
tcp
wnn4_Kr
kWnn Korean input system
22289
tcp
wnn4_Cn
cWnn Chinese input system
22321
tcp
wnn4_Tw
tWnn Chinese input system (Taiwan)
24554
binkp
Binkley TCP/IP Fidonet mailer daemon
27374
asp
Address Search Protocol
60177
tfido
Ifmail FidoNet compatible mailer service
60179
fido
FidoNet electronic mail and news network

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