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20 Cards in this Set

  • Front
  • Back

FTP


File Transfer Protocol

20, 21

SSH/SFTP


Secure Shell/Secure File Transfer Protocol

22

Telnet


Terminal Emulation

23

SMTP


Simple Mail Transport Protocol


Outgoing e-mail

25

DNS


Domain Name Service

53

DHCP


Dynamic Host Control Protocol


Automatic IP addressing

67, 68

HTTP


Hypertext Transfer Protocol


Web pages

80

POP3


Post Office Protocol 3


Incoming e-mail

110

SMB/CIFS via UDP


Windows naming/folder sharing

137, 138, 139

IMAP


Internet Message Access Protocol


Incoming e-mail

143

SNMP


Simple Network Management Protocol


Remote management of network devices

161

LDAP


Lightweight Directory Access Protocol


Querying directories

389

HTTPS


Hypertext Transfer Secure


Secure web pages

443

SMB/CIFS via TCP


Server Message Block/Common Internet File System


Windows naming/folder sharing

445

AFP


Apple File Protocol


Mac OS X file services

427, 548

RDP


Remote Desktop Protocol

3389

SIP


Session Initiation Protocol


Voice over IP

5060

Common or Well-Known Ports

0-1,023

Registered Ports

1,024-49,151

Dynamic or Private Ports

49,152-65,535