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) |