Ports Flashcards by Matthew Stevenson | Brainscape

Q

POP3 and POP3S
Post office protocol 3

Receives email to an email client

A

TCP 110

TCP 995

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Q

IMAP and IMAPS
Internet message access protocol 4

A newer email client protocol

A

TCP 143

TCP 993

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Q

SMTP
Simple mail transfer protocol

Transfer email between mail servers

A

Authenticated TCP 25

Unauthenticated TCP 687

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Q

Non-ephemeral port numbers

Permanent port numbers

A

0-1023

Usually on a server or service

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Q

Ephemeral ports

Temporary ports

A

1024 - 65535

Determined in real time by the client

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Q

TCPs name?

A

Transmission Control Protocol

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Q

UDPs name

A

User datagram protocol

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Q

FTP
File transfer protocol

Sends and receives files between systems.

A

Active TCP 20

Control TCP 21

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Q

SSH
Secure Shell

Encrypted console access

A

TCP 22

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Q

Telnet
Telecommunications Network

Insecure console access

A

TCP 23

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Q

DNS
Domain Name System

Convert domain names into IP addresses

A

UDP 53

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Q

HTTP and HTTPS

Hypertext Transfer Protocol

A

TCP 80

TCP 443

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Q

RDP
Remote Desktop Protocol

Graphical display of remote devices

A

TCP 3389

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Q

SMB
Server Message Board

Windows file transfer and printer sharing

A

TCP 445

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Q

AFP
Apple Filing Protocol

MacOS file transfers

A

TCP 548

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Q

DHCP
Dynamic Host Configuration Protocol

Automate the IP address configuration

A

UDP 67 - 68

Q

LDAP
Lightweight Directory Access Protocol

Directory services

A

TCP 389

Q

SNMP
Simple Network Management Protocol

Gather metrics and manage network devices

A

Queries UDP 161

Traps. UDP 162

Q

nbname
NetBIOS Name Service

Register, remove, and fine Windows services by name

A

UDP 137

Q

nbdatagram
NetBIOS Datagram Service

Windows connection-less data transfer

A

UDP 138

Q

nbsessions
NetBIOS Session Service

Windows connection-orientated data transfer

A

TCP 139