Port Number and Protocol Flashcards

Learn about port numbers and their protocol

1
Q

Port 20

A

TCP
Protocol: FTP
Description: File Transfer Protocol - Data

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2
Q

Port 21

A

TCP
Protocol: FTP
Description: File Transfer Protocol - Control

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3
Q

Port 23

A

TCP
Protocol: Telnet
Description: For remotely connecting or managing devices ( not secure )

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4
Q

Port 22

A

TCP
Protocol: SSH
DESCRIPTION: Secure version of Telnet

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5
Q

Port 25

A

TCP
PROTOCOL: SMTP
Description: simple mail transfer Protocol
( think of email)

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6
Q

Port 53

A

TCP/UDP
Protocol: DNS
Description: Domain Name Server, name to the IP Address

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7
Q

Port 67

A

UDP
Protocol: DHCP
DESCRIPTION: DHCP server, used when sending IP Addresses

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8
Q

Port 68

A

UDP
Protocol: DHCP
Description: DHCP Client , used when recieving IP Addresses

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9
Q

Port 80

A

TCP
Protocol: HTTP
Description: Hyper Text Transfer Protocol

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10
Q

Port 110

A

TCP
Protocol: POP3
Description: Post Office Protocol, used to receive MAIL

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11
Q

Port 123

A

UDP
PROTOCOL: NTP
Description: network time protocol

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12
Q

Port 137-139

A

UDP/TCP
Protocol: NETBT
Description: NetBIOS over TCP/IP

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13
Q

Port 143

A

TCP
Protocol: IMAP
Description: internet mail access protocol

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14
Q

Port 161

A

UDP
PROTOCOL: SNMP-Query
Description: simple network management protocol

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15
Q

Port 162

A

UDP
PROTOCOL: SNMP-Trap
Description: Simple network management protocol

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16
Q

Port 389

A

TCP
PROTOCOL: LDAP
DESCRIPTION: Lightweight Directory access protocol

17
Q

Port 427

A

TCP
PROTOCOL: SLP
DESCRIPTION: Service Location Protocol

18
Q

Port 443

A

TCP
PROTOCOL: HTTPS
DESCRIPTION: HTTP Secure

19
Q

Port 445

A

TCP
Protocol: SMB/CIFS
Description: Server Message Block/Common Internet File System

20
Q

Port 548

A

TCP
Protocol: AFP
Description: Applie Filing Protocol

21
Q

Port 3389

A

TCP
Protocol: RDP
Description: Remote Desktop Protocol