Ports

Question 1

FTP

Answer 1

• Port 20/21
• File Transfer Protocol

Question 2

SSH

Answer 2

• Port 22
• Secure shell

Question 3

SFTP

Answer 3

• Port 22
• Secure FTP

Question 4

Telnet

Answer 4

• Port 23

Question 5

SMTP

Answer 5

• Port 25
• Simple Mail Transfer Protocol

Question 6

DNS

Answer 6

• Port 53
• Domain Name System

Question 7

DHCP

Answer 7

• Port 67/68
• Dynamic Host Configuration Protocol

Question 8

TFTP

Answer 8

• Port 69
• Trivial FTP

Question 9

HTTP

Answer 9

• Port 80
• Hypertext Transfer Protocol

Question 10

POP3

Answer 10

• Port 110
• Post Office Protocol v3

Question 11

NTP

Answer 11

• Port 123
• Network Time Protocol

Question 12

IMAP

Answer 12

• Port 143
• Internet Message Access Protocol

Question 13

SNMP

Answer 13

• Port 161 for SNMP requests / responses
• Port 162 for SNMP traps
• Simple Network Management Protocol

Question 14

LDAP

Answer 14

• Port 389
• Lightweight Directory Access Protocol

Question 15

HTTPS

Answer 15

• Port 443

Question 16

SMB

Answer 16

• Port 445
• Server Message Block

Question 17

Syslog

Answer 17

• Port 514

Question 18

SMTP TLS

Answer 18

• Port 587

Question 19

LDAPS

Answer 19

• Port 636

Question 20

IMAP over SSL

Answer 20

• Port 993

Question 21

POP3 over SSL

Answer 21

• Port 995

Question 22

SQL Server

Answer 22

• Port 1433

Question 23

SQLnet

Answer 23

• Port 1521

Question 24

MySQL

Answer 24

Port 3306

Question 25

RDP

Answer 25

- Port 3389 - Remote Desktop Protocol

Question 26

SIP

Answer 26

- Port 5060/5061 - Session Initiation Protocol