Network Ports Flashcards (Ports 21-6514)

Question-and-answer flashcards covering common network ports, their abbreviated names, full names, protocols, and purposes.

What is the abbreviated name for Port 21?

FTP (File Transfer Protocol)

What protocol does Port 22 use?

TCP

What is the abbreviated name for Port 23?

Telnet

What is the abbreviated name for Port 25?

SMTP

What protocol does Port 53 use?

TCP/UDP

What is the abbreviated name for Port 69?

TFTP

What is the abbreviated name for Port 80?

HTTP

Which protocol family does Port 88 use?

TCP/UDP

What is the abbreviated name for Port 110?

POP3

What is the abbreviated name for Port 119?

NNTP

What is the abbreviated name for Port 135?

RPC

What is the abbreviated name for Ports 137-139?

NetBIOS

What is the abbreviated name for Port 143?

IMAP

What is the abbreviated name for Port 161?

SNMP

What is the abbreviated name for Port 162?

SNMP Trap

What is the abbreviated name for Port 389?

LDAP

What is the abbreviated name for Port 443?

HTTPS

What is the abbreviated name for Port 445?

SMB

What is the abbreviated name for the service using ports 465 and 587?

SMTPS

What is the abbreviated name for Port 514?

Syslog

What is the abbreviated name for Port 636?

LDAPS

What is the abbreviated name for Port 993?

IMAPS

What is the abbreviated name for Port 995?

POP3S

What is the abbreviated name for Port 1433?

Microsoft SQL

What is the abbreviated name for Ports 1645-1646?

RADIUS

What are the UDP ports used for the IETF standard RADIUS?

Port 1812 (authentication) and Port 1813 (accounting)

What is the abbreviated name for Port 3389?

RDP

What is the abbreviated name for Port 6514?

Syslog TLS