Important Port Numbers

Hi friends

This articles gives you the list of important port numbers. The knowledge of the important port numbers are vital in terms of managing the domains and services. The below are list of important port numbers,

FTP(DATA) 20,21

TELNET 23

SMTP 25

HTTP 80

Kerberos 88

POP3 110

NNTP 119

RPC 135

IMAP4 143

LDAP 389

HTTPS 443

SMB 445 - Log shipping and DB seeding

SMTP(SSL) 465

LDAP(SSL) 636

Routing Group Master 691

IMAP4(SSL) 993

POP3(SSL) 995

Global Catalog 3268,3269

RDP 3389

Tcp/ip - 64327 - for exchange DAG log shipping and DB seeding

Thanks

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