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Cybersecurity Blue Team > Ports And Protocols > Flashcards

Ports And Protocols Flashcards

1
Q

FTP

A

FTP
Ports 20, 21
Provides insecure file transfers

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2
Q

SSH

A

Secure Shell
Port 22
Provide secure remote control of another machine using text-based environment

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3
Q

SFTP

A

Secure file transfer protocol
Port 22
Provide secure file transfer using SSH

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4
Q

Telnet

A

Port 23
Insecure remote control to another machine using a text-based environment
No encryption, sent in the clear. Do not use

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5
Q

SMTP

A

Simple mail transfer protocol
Port 25
Provides ability to SEND emails over the network

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6
Q

DNS

A

Domain name system
Port 53
Converts IP addresses to domain names and vice versa

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7
Q

DHCP

A

Dynamic host control protocol
Port 67, 68
Automatically provides network parameters to your clients, such as their assigned IP address, subnet mask, default gateway, DNS server they should use

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8
Q

TFTP

A

Trivial file transfer protocol
Port 69
Used as a lightweight file transfer method for sending configuration files or network booting of an operating system

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9
Q

HTTP

A

Hypertext transfer protocol
Port 80
Used for insecure web browsing

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10
Q

POP3

A

Post office protocol version 3
Port 110
Used for RECEIVING incoming emails

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11
Q

NTP

A

Network time protocol
Port 123
Used to keep accurate time for clients on a network

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12
Q

NetBIOS

A

Network basic input/output system
Port 139
Used for file or printer sharing in a Windows network

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13
Q

IMAP

A

Internet mail application protocol
Port 143
Newer method of retrieving emails which improves upon the older POP3
Keeps message status synced across devices

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14
Q

SNMP

A

Simple network management protocol
Ports 161, 162
Used to collect data about network devices and monitor their status

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15
Q

LDAP

A

Lightweight directory access protocol
Port 389
Used to provide directory services to your network

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16
Q

HTTPS

A

Hypertext transfer protocol secure
Port 443
Secure web browsing using encrypted tunnel (TLS or SSL)

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17
Q

SMB

A

Server message block
Port 445
Used for Windows file and printer sharing services

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18
Q

Syslog

A

System logging
Port 514
Used to send logging data back to a centralized server

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19
Q

SMTP TLS

A

Port 587
Secure and encrypted way to send emails

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20
Q

LDAPS

A

LDAP secure
Port 636
Provide secure directory services

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21
Q

IMAP over SSL

A

Port 993
Secure and encrypted way to receive emails

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22
Q

POP3 over SSL

A

Port 995
Secure and encrypted way to receive emails

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23
Q

SQL

A

Structured query language
Port 1433
Used for communication from a client to the database engine

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24
Q

Oracle

A

Port 1521
Used for communication from a client to an Oracle database

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25
Q

MySQL

A

Port 3306
Used for communication from a client to the MySQL database engine

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26
Q

RDP

A

Remote desktop protocol
Port 3389
Provides graphical remote control of another client or server

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27
Q

SIP

A

Session initiation protocol
Ports 5060, 5061
Used to initiate VoIP and video calls

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28
Q

Port 5061

A

SIP

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29
Q

Port 5060

30
Q

Port 3389

31
Q

Port 3306

32
Q

Port 1521

33
Q

Port 1433

34
Q

Port 995

A

POP3 over SSL

35
Q

Port 993

A

IMAP over SSL

36
Q

Port 636

37
Q

Port 587

38
Q

Port 514

39
Q

Port 445

40
Q

Port 443

41
Q

Port 389

42
Q

Port 162

43
Q

Port 161

44
Q

Port 143

45
Q

Port 139

46
Q

Port 123

47
Q

Port 110

48
Q

Port 80

49
Q

Port 69

50
Q

Port 68

51
Q

Port 67

52
Q

Port 53

53
Q

Port 25

54
Q

Port 23

55
Q

Port 22

56
Q

Port 21

57
Q

Port 20

58
Q

Ports

A

Logical opening on a system representing a service or application that is listening and waiting for traffic
Numbered 0-65,535

59
Q

Well-Known/Reserved Ports

60
Q

Ephemeral Ports

A

1024-65,535

61
Q

Port 1812

A

RADIUS Authentication Messages

62
Q

Port 1813

A

RADIUS Accounting Messages

63
Q

RADIUS

A

Ports 1812, 1813
Authenticate users, authorize them to services, and account for their usage of those services

64
Q

Port 49

65
Q

TACACS+

A

Port 49
Used to perform the role of an authenticator in an 802.1x network

66
Q

VNC

A

Port 5900
Remote access method

67
Q

Port 5900

68
Q

Metasploit

A

Commonly used exploit framework for penetration testing and red team operations. Metasploit can be used to easily run exploits on a machine and connect back to a meterpreter shell.
Default port is 4444

69
Q

Port 4444

A

Metasploit

70
Q

When initiating a new SSH connection, what is transferred between the client and the server?

A

The keys and encryption algorithm that will be used to encrypt the connection

71
Q

What is an SSH Key Authentication?

A

A passwordless SSH login method using a cryptographic key rather than a password.

Cybersecurity Blue Team (12 decks)

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