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Common Networking Ports > Common Networking Ports > Flashcards

Common Networking Ports Flashcards

1
Q

File Transfer Protocol?

A

20, 21

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2
Q

20 & 21?

A

File Transfer Protocol - Unsecured file transfers

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3
Q

Secure Shell File Transfer Protocol

A

22

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4
Q

22?

A

SSH FTP - Secured file transfer protocol

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5
Q

Telnet?

A

23

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6
Q

23?

A

Telnet - Bidirectional interactive text based communication using virtual terminal connection

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7
Q

Simple Mail Transfer Protocol

A

25

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8
Q

25?

A

SMTP - Internet standard for sending email

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9
Q

Domain Name Service

A

53

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10
Q

53?

A

DNS - Hierarchical naming service, converts domains to IP and vice versa

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11
Q

Dynamic Host Control Protocol

A

67 & 68

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12
Q

67 & 68

A

DHCP - Automatically assigns IP addresses to your clients to simplify network admin

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13
Q

Trivial File Transfer System

A

69

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14
Q

69?

A

TFTS - Sends trivial files through a network - commonly used to send configurations to network devices. Can boot operating system through this - stripped version of 20,21!

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15
Q

Hyper Text Transfer Protocol

A

80

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16
Q

80?

A

HTTP - All insecure internet browsing

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17
Q

Post Office Protocol Version Three

A

110

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18
Q

110?

A

POPv3 - Used for retrieving emails from server - doesn’t synchronise read status, so less helpful across multiple end clients

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19
Q

Network Time Protocol

A

123

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20
Q

123

A

NTP - Keeping a local time for clients on a network

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21
Q

Network Basic Input Output Services

A

139

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22
Q

139

A

NetBIOS - Used for file sharing or printer sharing in Windows environments

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23
Q

Internet Message Access Protocol

A

143

24
Q

143

A

IMAP - Improved email retrieval over TCP/IP - Will synchronise with the server for multiple clients

25
Q

Simple Network Management Protocol

A

161

26
Q

161

A

SNMP - Can be used to collect information on netowrk devices in the environment. Can also be used to modify behaviour, and monitor uptime

27
Q

Hyper Text Transfer Protocol Secure

A

443

28
Q

443

A

HTTPS - All secure internet browsing - ecommerce, banking etc

29
Q

Server Message Block

A

445

30
Q

445

A

SMB - Provides shared access to files, printers and misc communications between devices on a network

31
Q

System Logging Protocol

A

514

32
Q

514

A

SysLOG - Used for sending logs back to a centralised point - MSS, EDR etc

33
Q

Simple Mail Transfer Protocol Transport Layer Security

A

587

34
Q

587

A

SMTP TLS - Used for sending encrypted emails

35
Q

Lightweight Directory Access Services Secure

A

636

36
Q

636

A

LDAP-S - Secure method of providing directory services

37
Q

Internet Message Access Protocol Secure

A

993

38
Q

Post Office Protocol Version Three Secure

A

995

39
Q

995

A

POPv3-S - Provides the same services as 110 with the sae drawbacks, however secure

40
Q

Structured Query Language Server Protocol

A

1433

41
Q

1433

A

SQL - Used for communicating with a windows database or server

42
Q

Structured Query Language Network Protocol

A

1521

43
Q

1521

A

SQLnet - Used for communicating with Oracle servers

44
Q

MySQL

A

3306

45
Q

3306

A

MySQL - Used for communicating with a server on the MySQL database engine - that is an opensource SQL system

46
Q

Remote Desktop Protocol

A

3389

47
Q

3389

A

RDP - Windows control program, provides a full graphical interface compared with 23 where it is only text

48
Q

Session Initiation Protocol

A

5060, 5061

49
Q

5060, 5061

A

SIP - Session Initiation Protocol - Provides signaling and controlling multimedia communication sessions. Used for VOIP services, voice and video calls and instant messaging

50
Q

Secure Shell

A

22

51
Q

22

A

SSH - Cryptographic network protocol, providing secure connection on insecure network. Best known for remote login to computer system

52
Q

Lightweight Directory Access Protocol

A

389

53
Q

389

A

LDAP - Insecure directory services

54
Q

993

A

IMAP-S - Secure way to receive and send encrypted emails

55
Q
A

Common Networking Ports (3 decks)

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