Ports Flashcards

1
Q

What is SSH?

A

Port 22
Secure Shell Protocol
Secure Remote Access
TCP

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2
Q

What is DNS?

A

Port 53
Domain Name System
UDP/TCP

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3
Q

What is SMTP?

A

Port 25
Simple Mail Transfer Protocol
TCP

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4
Q

What is SFTP?

A

Port 22
Secure File Transfer Protocol
TCP

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5
Q

What is FTP?

A

Ports 20, 21
File Transfer Protocol
TCP

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6
Q

What is TFTP?

A

Port 69
Trivial File Transfer Protocol
UDP

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7
Q

What is TELNET?

A

Port 23
TCP/IP Application protocol supporting remote command-line administration of a host.
TCP

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8
Q

What is DHCP?

A

Ports 67, 68
Dynamic Host Configuration Protocol
UDP

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9
Q

What is HTTP?

A

Port 80
Hyper Text Transfer Protocol
TCP

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10
Q

What is HTTPS?

A

Port 443
Hyper Text Transfer Protocol Secure
TCP

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11
Q

What is SNMP?

A

Port 161
Simple Network Management Protocol
UDP

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12
Q

What is RDP?

A

Port 3389
Remote Desktop Protocol
TCP

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13
Q

What is NTP?

A

Port 123
Network Time Protocol
Sets time for all systems
UDP

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14
Q

What is SIP?

A

Ports 5060, 5061
Session Initiation Protocol
TCP/UDP

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15
Q

What is SMB?

A

Port 445
Server Message Block
TCP

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16
Q

What is POP3?

A

Port 110
Post Office Protocol
Enables client to access email messages on remote server.
TCP

17
Q

What is IMAP?

A

Port 143
Internet Message Access Protocol
TCP

18
Q

What is LDAP?

A

Port 389
Lightweight Directory Access Protocol
TCP/UDP

19
Q

What is LDAPS?

A

Port 636
Lightweight Directory Access Protocol Secure
TCP

20
Q

What is H. 323?

A

Port 1720
Session Control Protocol for VoIP
TCP

21
Q

What is RTP?

A

Any Port in range 1024-65535
Real-time Transport Protocol
Audio and Video over IP
UDP

22
Q

What is TACAS+?

A

Port 49
Terminal Access Controller Access Control System
TCP/UDP

23
Q

What is VoIP?

A

Port 1720
Voice Over IP
Protocol enables carrying voice over data networks.
UDP