Ports and Protocols

Question 1

SSH (Secure Shell)

Answer 1

Port 22

Question 2

DNS (Domain Name System)

Answer 2

Port 53

Question 3

SMTP (Simple Main Transfer Protocol)

Answer 3

Port 25

Question 4

FTP (File Transfer Protocol)

Answer 4

Port 20 and 21

Question 5

SFTP (SSH File Transfer Protocol)

Answer 5

Port 22

Question 6

TFTP (Trivial File Transfer Protocol)

Answer 6

Port 69

Question 7

TELNET

Answer 7

Port 23

Question 8

DHCP (Dynamic Host Configuration Protocol)

Answer 8

Port 67 and 68

Question 9

HTTP (Hyper Text Transmission Protocol)

Answer 9

Port 80

Question 10

HTTPS (Hyper Text Transmission Protocol over SSL)

Answer 10

Port 443

Question 11

SNMP (Simple Network Management Protocol)

Answer 11

Port 445

Question 12

RDP (Remote Desktop Protocol)

Answer 12

Port 3389

Question 13

NTP (Network Time Protocol)

Answer 13

Port 123

Question 14

SIP (Session Initiation Protocol)

Answer 14

Port 5060 and 5061

Question 15

SMB (Server Message Block)

Answer 15

Port 445(TCP) and 137/138 (UDP)

Question 16

POPv3 (Post Office Protocol)

Answer 16

Port 110

Question 17

IMAP (Internet Message Access Protocol)

Answer 17

Port 143

Question 18

LDAP (Lightweight Directory Access Protocol)

Answer 18

Port 389

Question 19

LDAPS (Lightweight Directory Access Protocol over SSL)

Answer 19

Port 636

Question 20

H.323

Answer 20

Port 1720