|
Port
|
Description
|
Status
|
| 0/TCP,UDP |
Reserved |
IANA |
| 1/TCP,UDP |
TCP Port Service Multiplexer |
IANA |
| 2/TCP,UDP |
Management Utility |
IANA |
| 3/TCP,UDP |
Compression Process |
IANA |
| 5/TCP,UDP |
Remote Job Entry |
IANA |
| 7/TCP,UDP |
Echo |
IANA |
| 9/TCP,UDP |
Discard |
IANA |
| 11/TCP,UDP |
Active Users |
IANA |
| 13/TCP,UDP |
DAYTIME – (RFC 867) |
IANA |
| 17/TCP,UDP |
Quote of the Day |
IANA |
| 18/TCP,UDP |
Message Send Protocol |
IANA |
| 19/TCP,UDP |
Character Generator |
IANA |
| 20/TCP |
FTP – data |
IANA |
| 21/TCP |
FTP—control (command) |
IANA |
| 22/TCP,UDP |
Secure Shell (SSH)—used for secure logins, file transfers (scp, sftp) and port forwarding |
IANA |
| 23/TCP |
Telnet protocol—unencrypted text communications |
IANA |
| 25/TCP |
Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between mail servers |
IANA |
| 35/TCP,UDP |
Any private printer server protocol |
IANA |
| 35/TCP,UDP |
QMS Magicolor 2 printer server protocol |
Unregistered |
| 37/TCP,UDP |
TIME protocol |
IANA |
| 39/TCP,UDP |
Resource Location Protocol[2] (RLP)—used for determining the location of higher level services from hosts on a network |
IANA |
| 41/TCP,UDP |
Graphics |
IANA |
| 42/TCP,UDP |
nameserver, ARPA Host Name Server Protocol |
IANA |
| 42/TCP,UDP |
WINS |
Unregistered |
| 43/TCP |
WHOIS protocol |
IANA |
| 49/TCP,UDP |
TACACS Login Host protocol |
IANA |
| 52/TCP,UDP |
XNS (Xerox Network Services) Time Protocol |
IANA |
| 53/TCP,UDP |
Domain Name System (DNS) |
IANA |
| 54/TCP,UDP |
XNS (Xerox Network Services) Clearinghouse |
IANA |
| 55/TCP,UDP |
ISI-GL (ISI Graphics Language) |
Unregistered |
| 56/TCP,UDP |
XNS (Xerox Network Services) Authentication |
IANA |
| 56/TCP,UDP |
RAP (Route Access Protocol)[3] |
Unregistered |
| 57/TCP |
MTP, Mail Transfer Protocol |
Unregistered |
| 58/TCP,UDP |
XNS (Xerox Network Services) Mail |
IANA |
| 67/UDP |
Bootstrap Protocol (BOOTP) Server; also used by Dynamic Host Configuration Protocol (DHCP) |
IANA |
| 68/UDP |
Bootstrap Protocol (BOOTP) Client; also used by Dynamic Host Configuration Protocol (DHCP) |
IANA |
| 69/UDP |
Trivial File Transfer Protocol (TFTP) |
IANA |
| 70/TCP |
Gopher protocol |
IANA |
| 79/TCP |
Finger protocol |
IANA |
| 80/TCP,UDP |
Hypertext Transfer Protocol (HTTP) |
IANA |
| 81/TCP |
Torpark—Onion routing |
Unregistered |
| 82/UDP |
Torpark—Control |
Unregistered |
| 83/TCP |
MIT ML Device |
IANA |
| 88/TCP,UDP |
Kerberos—authentication system |
IANA |
| 90/TCP,UDP |
dnsix (DoD Network Security for Information Exchange) Securit Attribute Token Map |
IANA |
| 90/TCP,UDP |
Pointcast |
Unregistered |
| 101/TCP |
NIC host name |
IANA |
| 102/TCP |
ISO-TSAP (Transport Service Access Point) Class 0 protocol[4] |
IANA |
| 104/TCP,UDP |
ACR/NEMA Digital Imaging and Communications in Medicine |
IANA |
| 107/TCP |
Remote TELNET Service[5] protocol |
IANA |
| 109/TCP |
Post Office Protocol 2 (POP2) |
IANA |
| 110/TCP |
Post Office Protocol 3 (POP3) |
IANA |
| 111/TCP,UDP |
Sun Remote Procedure Call |
IANA |
| 113/UDP |
ident—user identification system, used by IRC servers to identify users |
IANA |
| 113/TCP,UDP |
Authentication Service (auth) |
IANA |
| 115/TCP |
Simple File Transfer Protocol (SFTP) |
IANA |
| 117/TCP |
UUCP Path Service |
IANA |
| 118/TCP,UDP |
SQL (Structured Query Language) Services |
IANA |
| 119/TCP |
Network News Transfer Protocol (NNTP)—used for retrieving newsgroup messages |
IANA |
| 123/UDP |
Network Time Protocol (NTP)—used for time synchronization |
IANA |
| 135/TCP,UDP |
DCE endpoint resolution |
IANA |
| 135/TCP,UDP |
Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator service[6], used to remotely manage services including DHCP server, DNS server and WINS |
Unregistered |
| 137/TCP,UDP |
NetBIOS NetBIOS Name Service |
IANA |
| 138/TCP,UDP |
NetBIOS NetBIOS Datagram Service |
IANA |
| 139/TCP,UDP |
NetBIOS NetBIOS Session Service |
IANA |
| 143/TCP,UDP |
Internet Message Access Protocol (IMAP)—used for retrieving, organizing, and synchronizing e-mail messages |
IANA |
| 152/TCP,UDP |
Background File Transfer Program (BFTP)[7] |
IANA |
| 153/TCP,UDP |
SGMP, Simple Gateway Monitoring Protocol |
IANA |
| 156/TCP,UDP |
SQL Service |
IANA |
| 158/TCP,UDP |
DMSP, Distributed Mail Service Protocol |
Unregistered |
| 161/TCP,UDP |
Simple Network Management Protocol (SNMP) |
IANA |
| 162/TCP,UDP |
Simple Network Management Protocol Trap (SNMPTRAP)[8] |
IANA |
| 170/TCP |
Print-srv, Network PostScript |
IANA |
| 177/TCP,UDP |
X Display Manager Control Protocol (XDMCP) |
IANA |
| 179/TCP |
BGP (Border Gateway Protocol) |
IANA |
| 194/UDP |
IRC (Internet Relay Chat) |
IANA |
| 201/TCP,UDP |
AppleTalk Routing Maintenance |
IANA |
| 209/TCP,UDP |
The Quick Mail Transfer Protocol |
IANA |
| 213/TCP,UDP |
IPX |
IANA |
| 218/TCP,UDP |
MPP, Message Posting Protocol |
IANA |
| 220/TCP,UDP |
IMAP, Interactive Mail Access Protocol, version 3 |
IANA |
| 259/TCP,UDP |
ESRO, Efficient Short Remote Operations |
IANA |
| 264/TCP,UDP |
BGMP, Border Gateway Multicast Protocol |
IANA |
| 311/TCP |
Mac OS X Server Admin (IANAly AppleShare IP Web administration) |
IANA |
| 308/TCP |
Novastor Online Backup |
IANA |
| 318/TCP,UDP |
PKIX TSP, Time Stamp Protocol |
IANA |
| 323/TCP,UDP |
IMMP, Internet Message Mapping Protocol |
Unregistered |
| 350/TCP,UDP |
MATIP-Type A, Mapping of Airline Traffic over Internet Protocol |
IANA |
| 351/TCP,UDP |
MATIP-Type B, Mapping of Airline Traffic over Internet Protocol |
IANA |
| 366/TCP,UDP |
ODMR, On-Demand Mail Relay |
IANA |
| 369/TCP,UDP |
Rpc2portmap |
IANA |
| 371/TCP,UDP |
ClearCase albd |
IANA |
| 383/TCP,UDP |
HP data alarm manager |
IANA |
| 384/TCP,UDP |
A Remote Network Server System |
IANA |
| 387/TCP,UDP |
AURP, AppleTalk Update-based Routing Protocol |
IANA |
| 389/TCP,UDP |
Lightweight Directory Access Protocol (LDAP) |
IANA |
| 401/TCP,UDP |
UPS Uninterruptible Power Supply |
IANA |
| 402/TCP |
Altiris, Altiris Deployment Client |
Unregistered |
| 411/TCP |
Direct Connect Hub |
Unregistered |
| 412/TCP |
Direct Connect Client-to-Client |
Unregistered |
| 427/TCP,UDP |
Service Location Protocol (SLP) |
IANA |
| 443/TCP,UDP |
Hypertext Transfer Protocol over TLS/SSL (HTTPS) |
IANA |
| 444/TCP,UDP |
SNPP, Simple Network Paging Protocol (RFC 1568) |
IANA |
| 445/TCP |
Microsoft-DS Active Directory, Windows shares |
IANA |
| 445/UDP |
Microsoft-DS SMB file sharing |
IANA |
| 464/TCP,UDP |
Kerberos Change/Set password |
IANA |
| 465/TCP |
Cisco protocol |
Unregistered |
| 465/TCP |
SMTP over SSL |
Unregistered |
| 475/TCP |
tcpnethaspsrv (Hasp services, TCP/IP version) |
IANA |
| 497/TCP |
Dantz Retrospect |
IANA |
| 500/UDP |
Internet Security Association and Key Management Protocol (ISAKMP) |
IANA |
| 502/TCP,UDP |
Modbus, Protocol |
Unregistered |
| 504/TCP,UDP |
Citadel – multiservice protocol for dedicated clients for the Citadel groupware system |
IANA |
| 510/TCP |
First Class Protocol |
Unregistered |
| 512/TCP |
Rexec, Remote Process Execution |
IANA |
| 512/UDP |
comsat, together with biff |
IANA |
| 513/TCP |
Login |
IANA |
| 513/UDP |
Who |
IANA |
| 514/TCP |
Shell—used to execute non-interactive commands on a remote system |
IANA |
| 514/UDP |
Syslog—used for system logging |
IANA |
| 515/TCP |
Line Printer Daemon—print service |
IANA |
| 517/UDP |
Talk |
IANA |
| 518/UDP |
NTalk |
IANA |
| 520/TCP |
efs, extended file name server |
IANA |
| 520/UDP |
Routing—RIP |
IANA |
| 524/TCP,UDP |
NCP (NetWare Core Protocol) is used for a variety things such as access to primary NetWare server resources, Time Synchronization, etc. |
IANA |
| 525/UDP |
Timed, Timeserver |
IANA |
| 530/TCP,UDP |
RPC |
IANA |
| 531/TCP,UDP |
AOL Instant Messenger, IRC |
Unregistered |
| 532/TCP |
netnews |
IANA |
| 533/UDP |
netwall, For Emergency Broadcasts |
IANA |
| 540/TCP |
UUCP (Unix-to-Unix Copy Protocol) |
IANA |
| 542/TCP,UDP |
commerce (Commerce Applications) |
IANA |
| 543/TCP |
klogin, Kerberos login |
IANA |
| 544/TCP |
kshell, Kerberos Remote shell |
IANA |
| 546/TCP,UDP |
DHCPv6 client |
IANA |
| 547/TCP,UDP |
DHCPv6 server |
IANA |
| 548/TCP |
Apple Filing Protocol (AFP) over TCP |
IANA |
| 550/UDP |
new-rwho, new-who |
IANA |
| 554/TCP,UDP |
Real Time Streaming Protocol (RTSP) |
IANA |
| 556/TCP |
Remotefs, RFS, rfs_server |
IANA |
| 560/UDP |
rmonitor, Remote Monitor |
IANA |
| 561/UDP |
monitor |
IANA |
| 563/TCP,UDP |
NNTP protocol over TLS/SSL (NNTPS) |
IANA |
| 587/TCP |
e-mail message submission[9] (SMTP) |
IANA |
| 591/TCP |
FileMaker 6.0 (and later) Web Sharing (HTTP Alternate, also see port 80) |
IANA |
| 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 |
IANA |
| 604/TCP |
TUNNEL profile[10], a protocol for BEEP peers to form an application layer tunnel |
IANA |
| 623/UDP |
ASF Remote Management and Control Protocol</ref> (ASF-RMCP) |
IANA |
| 631/TCP,UDP |
Internet Printing Protocol (IPP) |
IANA |
| 636/TCP,UDP |
Lightweight Directory Access Protocol over TLS/SSL (LDAPS) |
IANA |
| 639/TCP,UDP |
MSDP, Multicast Source Discovery Protocol |
IANA |
| 641/TCP,UDP |
SupportSoft Nexus Remote Command (control/listening): A proxy gateway connecting remote control traffic |
IANA |
| 646/TCP,UDP |
LDP, Label Distribution Protocol, a routing protocol used in MPLS networks |
IANA |
| 647/TCP |
DHCP Failover protocol[11] |
IANA |
| 648/TCP |
RRP (Registry Registrar Protocol)[12] |
IANA |
| 652/TCP |
DTCP, Dynamic Tunnel Configuration Protocol |
Unregistered |
| 653/TCP,UDP |
SupportSoft Nexus Remote Command (data): A proxy gateway connecting remote control traffic |
IANA |
| 654/TCP |
AODV (Ad-hoc On-demand Distance Vector) |
IANA |
| 655/TCP |
IEEE MMS (IEEE Media Management System)[13][14] |
IANA |
| 657/TCP,UDP |
IBM RMC (Remote monitoring and Control) protocol, used by System p5 AIX Integrated Virtualization Manager (IVM)[15] and Hardware Management Console to connect managed logical partitions (LPAR) to enable dynamic partition reconfiguration |
IANA |
| 660/TCP |
Mac OS X Server administration |
IANA |
| 665/TCP |
sun-dr, Remote Dynamic Reconfiguration |
Unregistered |
| 666/UDP |
Doom, first online first-person shooter |
IANA |
| 674/TCP |
ACAP (Application Configuration Access Protocol) |
IANA |
| 691/TCP |
MS Exchange Routing |
IANA |
| 692/TCP |
Hyperwave-ISP |
IANA |
| 694/UDP |
Linux-HA High availability Heartbeat |
Unregistered |
| 695/TCP |
IEEE-MMS-SSL (IEEE Media Management System over SSL)[16] |
IANA |
| 698/UDP |
OLSR (Optimized Link State Routing) |
IANA |
| 699/TCP |
Access Network |
IANA |
| 700/TCP |
EPP (Extensible Provisioning Protocol), a protocol for communication between domain name registries and registrars (RFC 4934) |
IANA |
| 701/TCP |
LMP (Link Management Protocol (Internet))[17], a protocol that runs between a pair of nodes and is used to manage traffic engineering (TE) links |
IANA |
| 702/TCP |
IRIS[18][19] (Internet Registry Information Service) over BEEP (Blocks Extensible Exchange Protocol)[20] (RFC 3983) |
IANA |
| 706/TCP |
SILC, Secure Internet Live Conferencing |
IANA |
| 711/TCP |
Cisco TDP, Tag Distribution Protocol[21][22][23]—being replaced by the MPLS Label Distribution Protocol[24] |
IANA |
| 712/TCP |
TBRPF, Topology Broadcast based on Reverse-Path Forwarding routing protocol (RFC 3684) |
IANA |
| 712/UDP |
Promise RAID Controller |
Unregistered |
| 720/TCP |
SMQP, Simple Message Queue Protocol |
Unregistered |
| 749/TCP,UDP |
Kerberos administration |
IANA |
| 750/TCP |
rfile |
IANA |
| 750/UDP |
loadav |
IANA |
| 750/UDP |
kerberos-iv, Kerberos version IV |
IANA |
| 751/TCP,UDP |
pump |
IANA |
| 751/TCP,UDP |
kerberos_master, Kerberos authentication |
Unregistered |
| 752/TCP |
qrh |
IANA |
| 752/UDP |
qrh |
IANA |
| 752/UDP |
userreg_server, Kerberos Password (kpasswd) server |
Unregistered |
| 753/TCP |
Reverse Routing Header (rrh)[25] |
IANA |
| 753/UDP |
Reverse Routing Header (rrh) |
IANA |
| 753/UDP |
passwd_server, Kerberos userreg server |
Unregistered |
| 754/TCP |
tell send |
IANA |
| 754/TCP |
krb5_prop, Kerberos v5 slave propagation |
Unregistered |
| 754/UDP |
tell send |
IANA |
| 760/TCP,UDP |
ns |
IANA |
| 760/TCP,UDP |
krbupdate [kreg], Kerberos registration |
Unregistered |
| 782/TCP |
Conserver serial-console management server |
Unregistered |
| 783/TCP |
SpamAssassin spamd daemon |
Unregistered |
| 829/TCP |
CMP (Certificate Management Protocol) |
Unregistered |
| 843/TCP |
Adobe Flash socket policy server |
Unregistered |
| 860/TCP |
iSCSI (RFC 3720) |
IANA |
| 873/TCP |
rsync file synchronisation protocol |
IANA |
| 888/TCP |
cddbp, CD DataBase (CDDB) protocol (CDDBP)—unassigned but widespread use |
Unregistered |
| 901/TCP |
Samba Web Administration Tool (SWAT) |
Unregistered |
| 901/TCP, UDP |
VMware Virtual Infrastructure Client (UDP from server being managed to management console) |
Unregistered |
| 902/TCP |
VMware Server Console (TCP from management console to server being Managed) |
Unregistered |
| 902/UDP |
VMware Server Console (UDP from server being managed to management console) |
Unregistered |
| 904/TCP |
VMware Server Alternate (if 902 is in use, i.e. SUSE linux) |
Unregistered |
| 911/TCP |
Network Console on Acid (NCA)—local tty redirection over OpenSSH |
Unregistered |
| 953/TCP,UDP |
Domain Name System (DNS) RDNC Service |
IANA |
| 981/TCP |
SofaWare Technologies Remote HTTPS management for firewall devices running embedded Check Point FireWall-1 software |
Unregistered |
| 989/TCP,UDP |
FTPS Protocol (data): FTP over TLS/SSL |
IANA |
| 990/TCP,UDP |
FTPS Protocol (control): FTP over TLS/SSL |
IANA |
| 991/TCP,UDP |
NAS (Netnews Administration System) |
IANA |
| 992/TCP,UDP |
TELNET protocol over TLS/SSL |
IANA |
| 993/TCP |
Internet Message Access Protocol over SSL (IMAPS) |
IANA |
| 995/TCP |
Post Office Protocol 3 over TLS/SSL (POP3S) |
IANA |
| 999/TCP |
ScimoreDB Database System |
Unregistered |
| 1001/TCP |
JtoMB |
Unregistered |
| 1023/TCP,UDP |
Reserved |
IANA |
