windows port number

windows port numbers

If you are a windows administrator then you have to know the port numbers for the windows services like port number for DNS, DHCP, and LDAP and so on….


I have received several queries regarding the port numbers for different services, port numbers for ADS (Active Directory Services), Exchanges and Windows, here I have given the consolidated port numbers



RDP - 3389 - (windows rdp port number and remote desktop port number)

FTP - 21 - (file transfer protocol)

TFTP - 69 - ( tftp port number )

Telnet - 23 - ( telnet port number)

SMTP - 25 - ( SMTP port number)

DNS - 53 - ( dns port number and Domain Name System port number)

DHCP - 68 - (DHCP port number and Dynamic Host Configuration Protocol port number )

POP3 - 110 - ( post office Protocol 3 port )

HTTP - 80 - (http port number)

HTTPS - 443 - (https port number)

NNTP - 119 - ( Network News Transfer Protocol Port number )

NTP - 123 - (ntp port number and network Time Protocol and SNTP port number )

IMAP - 143 - (Internet Message Access Protocol port number)

SSMTP - 465 - ( SMTP Over SSl )

SIMAP - 993 - ( IMAP Over SSL )

SPOP3 - 995 - ( POP# Over SS L)

Time - 123 - ( ntp port number and network Time Protocol and SNTP port number )

NetBios - 137 - ( Name Service )

NetBios - 139 - ( Datagram Service )

DHCP Client - 546 - (DHCP Client port number)

DHCP Server - 547 - (DHCP Server port number)

Global Catalog - 3268 - (Global Catalog port number)

LDAP - 389 - ( LDAP port number and Lightweight Directory Access Protocol port number )

RPC - 135 - (remote procedure call Port number)

Kerberos - 88 - ( Kerberos Port Number)

SSH - 22 - ( ssh port number and Secure Shell port number)

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