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Port Numbers > Port numbers are important > Flashcards

Port numbers are important Flashcards

1
Q

What Port numbers are responsible for the File Transfer Protocol and what is it used for?

A

tcp/20, tcp/21 File Transfer Protocol. Sends and receives files between systems.

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2
Q

What port number is Secure Shell and what is it used for?

A

tcp/22 Secure Shell. Encrypted Console access

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3
Q

What port number is Telnet and what is it used for?

A

tcp/23. Insecure console access

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4
Q

What port number is SMTP and what is it used for?

A

tcp/25. Simple Mail Transfer Protocol. It is used to transfer email between servers.

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5
Q

What port number is DNS and what is it used for?

A

udp/53, tcp/53. Domain Name System. Convert domain names to IP addresses.

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6
Q

What port number is DHCP and what is it used for?

A

udp/67, udp/68. Dynamic Host Configuration Protocol. Automate the IP address configuration process

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7
Q

What port number is HTTP and what is it used for?

A

tcp/80. Hypertext Transfer Protocol. Web Server Communication

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8
Q

What port number is HTTPS and what is it used for?

A

tcp/443. Hypertext Transfer Protocol Secure. Web server communication with encryption.

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9
Q

What port number is POP3 and what is it used for?

A

tcp/110. Post Office Protocol version 3. Receive email into a email client.

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10
Q

What port number is IMAP4 and what is it used for?

A

tcp/143. Internet Message Access Protocol v4. A newer email Client Protocol.

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11
Q

What port number is NETBIOS and what is it used for?

A

udp/137/ NetBIOS name service. Register, remove, and find windows services by name

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12
Q

What port number is NETBIOS and what is it used for?

A

tcp/139. NETBIOS session service. Windows connection-oriented data transfer.

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13
Q

What port number is SMB and what is it used for?

A

tcp/445. Server Message. Block Windows file transfers and printer sharing,

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14
Q

What port number is SNMP Query and what is it used for?

A

udp/161. Simple Network Management Protocol. Gather metrics and manage network devices.

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15
Q

What port number is SNMP Trap and what is it used for?

A

udp/162. Simple Network Management Protocol. Receive alerts from network devices.

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16
Q

What port number is LDAP and what is it used for?

A

tcp/389. Lightweight Directory Access Protocol. Directory services.

17
Q

What port number is RDP and what is it used for?

A

tcp/3389. Remote Desktop Protocol. Graphical display of remote devices.

Port Numbers (1 decks)

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