What are the standard port numbers for SMTP, POP3, IMAP4, RPC, LDAP and Global Catalog?

SMTP port 25 or 2525 or 587. Secure SMTP (SSL / TLS) – port 465 or 25 or587, 2526 POP3 Port 110, non-encrypted port- 995 IMAP protocol default ports: Port 143 and IMAP non-encrypted port. Port 993 RPC are used for Microsoft Message Queuing (MSMQ) operations: RPC Port: 135, 2101*, 2103*, 2105* Standard LDAP port 389 and global catalog queries port 3268

STMP-25, POP3-110, IMAPS-143, RPC-135, LDAP- 389

SMTP 25,POP3 110, IMAP4 143,RPC135,LDAP 636,GLOBAL CATALOG 3269 

smtp - 25 

pop3 -110 

imap4 -143 

rpc -135 

ldap - 389 

global catalog - 3268

I agreed with Mr. Raman Sinha. 

Smtp "simple mail transfer protocol"25 ssl 587 Pop3"post office protocol"110 ssl 995 Imap4 "internet message access protocol" 143 ssl 993 Rpc "remote procedure call" 135 Ldap "lightweight directory access protocol" 389 Global catalog 3268

25 (SMTP), 110 (POP3), 143 (IMAP4), 135 (RPC), 389 (LDAP) and 3268 (Global Catalog)

SMTP-25

POP3-110

IMAP4-143

RPC-135

LDAP-389

Global Catalog-3268

Simple Mail Transfer Protocal Port (25)

Post Office Protocol 3 Port (110)

Internet Message Access Protocol 4 Port (143)

LDAP port (389) & (636)

RPC Port (135, 101, 105)

Global Catalogue port (3268)

 

These  above mentioned port numbers are used commonly and these are the standard network ports prefered by networking Experts.

 

STMP-25

POP3-110

IMAPS-143

RPC-135

LDAP- 389

SMTP - 25

POP3 - 110

IMAP4 - 143

RPC - 135

LDAP - 636

GLOBAL CATALOG - 3269