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) |