Ports

Question 1

File Transfer Protocol

Answer 1

20, 21 Provides insecure file transfers

Question 2

Secure Shell (SSH)

Answer 2

• Port 22
• Provides secure remote control of another machine using a text-based environment

Question 3

Telnet

Answer 3

• Port 23
• Provides insecure remote control of another machine using as text-based environment

Question 4

Simple Mail Transfer Protocol (SMTP)

Answer 4

• Port 25
• Provides the ability to send emails over the network

Question 5

Domain Name Services (DNS)

Answer 5

• Port 53
• Converts domain names to IP addresses, and IP addresses to domain name

Question 6

Dynamic Host Control Protocol (DHCP)

Answer 6

• Ports 67, 68
• Automatically provides network parameters to your clients, such as their assigned IP address, subnet mask, default gateway, and the DNS server they should use

Question 7

Trivial File Transfer Protocol (TFTP)

Answer 7

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

Question 8

Hypertext Transfer Protocol(HTTP)

Answer 8

• Port 80
• Used for insecure web browsing

Question 9

Post Office Protocol Version Three (POP3)

Answer 9

• Port 110
• Used for receiving incoming emails

Question 10

Network Time Protocol (NTP)

Answer 10

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

Question 11

Network Basic Input/Output System (NetBIOS)

Answer 11

• Port 139
• Used for file or printer sharing in a windows network

Question 12

Internet Mail Application Protocol

Answer 12

• Port 143
• A newer method of retrieving incoming emails which improves upon the older POP3

Question 13

Simple Network Management Protocol (SNMP)

Answer 13

• Ports 161, 162
• Used to collect data about network devices and monitor their status

Question 14

Lightweight Directory Access Protocol (LDAP)

Answer 14

• Ports 389
• Used to provide directory services to your network

Question 15

Hypertext Transfer Protocol - Secure (HTTPS)

Answer 15

• Port 443
• Used for secure and encrypted web browsing
• Using an encrypted tunnel SSL, TLS

Question 16

Server Message Block (SMB)

Answer 16

• Port 445
• Used for Windows file and printer sharing services

Question 17

System Logging Protocol (Syslog)

Answer 17

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

Question 18

Simple Mail Transfer Protocol Transport Layer Security (SMTP TLS)

Answer 18

• Port 587
• Secure and encrypted way to send emails

Question 19

Lightweight Directory Access Protocol - Secure (LDAPS)

Answer 19

• Port 636
• Provides secure directory services

Question 20

Internet Message Access Protocol over SSL (IMAP over SSL)

Answer 20

• Port 993
• Secure and encrypted way to receive emails
• Over Server

Question 21

Post Office Protocol Version 3 over SSL (POP3 over SSL)

Answer 21

• Port 995
• Secure and encrypted way to receive emails
• Over phones

Question 22

Structured Query Language Server Protocol (SQL)

Answer 22

• Port 1433
• Used for communication from a client to the database engine

Question 23

SQLnet Protocol

Answer 23

• Port 1521
• Used for Communication from a client to and Oracle database

Question 24

MySQL

Answer 24

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

Question 25

Remote Desktop Protocol (RDP)

Answer 25

- Port 3389 - Provides graphical remote control of another client or server - RDP provides a full graphical user interface

Question 26

Session Initiation Protocol (SIP)

Answer 26

- Ports 5060, 5061 - Used to initiate VoIP and video calls