Here you can find some of the frequently used ports in windows by various applications/services. For more detailed information, please refer to detailed information about ports in this site (official microsoft site).
Port |
TCP/UDP |
Service |
TCP |
Microsoft POP3 Service (POP3) |
|
TCP |
Network News Transfer Protocol (NNTP) |
|
UDP |
Windows Time (NTP) |
|
TCP |
Simple TCP/IP Services (Daytime) |
|
UDP |
Simple TCP/IP Services (Daytime) |
|
TCP |
Remote Procedure Call (RPC) |
|
TCP |
Fax Service (RPC) |
|
TCP |
Microsoft Exchange Server (RPC) |
|
TCP |
File Replication Service (RPC) |
|
UDP |
Server (NetBIOS Name Resolution) |
|
TCP |
Exchange Server (IMAP) |
|
TCP |
Microsoft SQL Server (SQL over TCP) |
|
TCP |
Simple TCP/IP Services (Quotd) |
|
UDP |
Simple TCP/IP Services (Quotd) |
|
TCP |
Windows Media Services (MMS) |
|
UDP |
Windows Media Services (MMS) |
|
TCP |
Simple TCP/IP Services (Chargen) |
|
UDP |
Simple TCP/IP Services (Chargen) |
|
TCP |
FTP Publishing Service (FTP default data) |
|
TCP |
FTP Publishing Service (FTP control) |
|
TCP |
Telnet (Telnet) |
|
TCP |
Simple Mail Transfer Protocol (SMTP) |
|
TCP |
Exchange Server (SMTP) |
|
TCP |
Universal Plug and Play Device Host (UPNP) |
|
UDP |
Cluster Service (Cluster Services) |
|
TCP |
Terminal Services (Terminal Services) |
|
TCP |
Windows Internet Name Service (WINS Replication) |
|
UDP |
Windows Internet Name Service (WINS Replication) |
|
TCP |
HTTP SSL (HTTPS) |
|
TCP |
Fax Service (SMB) |
|
TCP |
Print Spooler (SMB) |
|
TCP |
TCP/IP Print Server (LPD) |
|
TCP |
DNS Server (DNS) |
|
UDP |
DNS Server (DNS) |
|
TCP |
File Server for Macintosh (File Server for Macintosh) |
|
TCP |
Windows Media Services (RTSP) |
|
TCP |
Network News Transfer Protocol (NNTP over SSL) |
|
TCP |
Local Security Authority (LDAP SSL) |
|
UDP |
DHCP Server (DHCP Server) |
|
UDP |
Internet Firewall/ Connection sharing (DHCP Server) |
|
TCP |
Simple TCP/IP Services (Echo) |
|
UDP |
Simple TCP/IP Services (Echo) |
|
TCP |
Windows Media Services (HTTP) |
|
TCP |
WWW Publishing Service (HTTP) |
|
TCP |
Simple TCP/IP Services (Discard) |
|
UDP |
Simple TCP/IP Services (Discard) |
|
TCP |
Exchange Server (IMAP over SSL) |
|
TCP |
Exchange Server (POP3 over SSL) |