List of protocol and port numbers

Port Number


Protocol


15


 Netstat


21


  FTP


23


  Telnet


25


  SMTP


42


  WINS


53


  DNS


67


  Bootp


68


  DHCP


80


  HTTP


88


  Kerberos


101


 HOSTNAME


110


 POP3


119


 NNTP


123


 NTP     (Networktimeprotocol)


139


 NetBIOS


161


 SNMP


180


 RIS


389


 LDAP (LightweightDirectoryAccessProtocol)


443


 HTTPS(HTTPoverSSL/TLS)


520


 RIP


79


  FINGER


37


  Time


3389


Terminalservices


443


 SSL(https)(httpprotocoloverTLS/SSL)


220


 IMAP3


3268


ADGlobalCatalog


3269


ADGlobalCatalogoverSSL


500


 InternetKeyExchange,IKE(IPSec)(UDP500)


110


POP3


25


SMTP


143


IMAP


80


HTTP


443


HTTPS


107


TELNET


20


FTP (For Data Transfer)


21


FTP (To establish connection between computers)


465


Secure SMTP (SSMTP)


585


Secure IMAP (IMAP4 SSL)


993


IMAP4 over SSL


995


Secure POP3(SSL-POP)


3389


Remote Desktop


53


DNS (Client/Server)


64327


Log shippping in Exchange Server

(Active to passive and vice versa)


50636


Microsoft Exchange EdgeSync service

from Hub Transport server to Edge

Transport server(using LDAP over

SSL (LDAPS)


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