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CCNA Flash Cards UDP & TCP Protocol 15 Port Numbers
UDP & TCP Protocol Port Numbers
15
Computer Networking
Undergraduate 2
12/28/2019

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Cards

Term
FTP - File Transfer Protocol: Transfers files with a remote host typically requires authentication of user credentials
Definition
TCP PORT 20 and 21
Term
SSH - Secure Shell: Securely connect to a remote host (typically via a terminal emulator)
Definition
TCP Port 22
Term
SFTP - Secure FTP: Provides FTP file-transfer service over an SSH connection
Definition
TCP Port 22
Term
Telnet - Telnet: Used to connect to a remote host (typically via a terminal emulator)
Definition
TCP Port 23
Term
SMTP - Simple Mail Transfer Protocol: Used for sending e-mail
Definition
TCP Port 25
Term
DNS - Domain Name System: Resolves domain names to corresponding IP addresses
Definition
TCP Port 53 & UDP PORT 53
Term
TFTP - Trivial File Transfer Protocol - Transfer files with a remote host (does not require authentication of user credentials)
Definition
UDP Port 69
Term
DHCP - Dynamic Host Configuration Protocol: Dynamically assigns IP address information (for example IP address, subnet mask, DNS server's IP address and default gateway's IP address) to a network device
Definition
UDP Port 67
Term
HTTP - Hypertext Transfer Protocol: Retrieves content from a web server
Definition
CP Port 80
Term
POP3 - Post Office Protocol version 3: Retrieves e-mail from and e-mail server
Definition
TCP Port 110
Term
NTP - Network Time Protocol: Used by a network device to synchronize its clock with a time server (NTP server)
Definition
UDP Port 123
Term
IMAP4 - Internet Message Access Protocol version 4: Retrieves e-mail from and e-mail server
Definition
TCP Port 143
Term
LDAP - Lightweight Directory Access Protocol: Provides directory services (for example, a user directory-including username, password, e-mail, and phone number information) to network clients
Definition
TCP Port 389
Term
HTTPS - Hypertext Transfer Protocol Secure: Used to securely retrieve content from a web server
Definition
TCP Port 443
Term
RDP - Remote Desktop Protocol: A Microsoft protocol that allows a user to view and control the desktop of a remote computer
Definition
TCP Port 3389
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