Ports

Question 1

Which port is FTP?

Answer 1

File Transfer Protocol - Ports 20, 21

Question 2

Which port is SSH?

Answer 2

Secure Shell - Secure Remote Access - Port 22

Question 3

Which port is SFTP?

Answer 3

Secure File Transfer Protocol - Port 22

Question 4

Which port is Telnet?

Answer 4

Unsecure Remote Access - Port 23

Question 5

Which port is SMTP?

Answer 5

Simple Mail Transfer Protocol - Used for email - Port 25

Question 6

Which port is DNS?

Answer 6

Domain Name Service - Port 53

Question 7

Which port is BOOT/DHCP?

Answer 7

Dynamic Host Control Protocol-dynamically assigns IP addresses - Ports 67, 68

Question 8

Which port is TFTP?

Answer 8

Trivial File Transfer Protocol - Transmits files in both directions of a client-server application - Port 69

Question 9

Which port is HTTP?

Answer 9

Hyper Text Transfer Protocol - Foundation of data communication for WWW - Port 80

Question 10

Which port is POP3?

Answer 10

Post Office Protocol v3 - used by local email clients to retrieve email from a remote server TCP/IP connection - Port 110

Question 11

Which port is NTP?

Answer 11

Network Time Protocol - Provides clock sync between computer systems over packet-switched, variable latency data networks - Port 123

Question 12

Which port is NetBIOS?

Answer 12

Network BIOS - Port 137, 138, 139

Question 13

Which port is IMAP?

Answer 13

Internet Mail Application - Clients retrieve email messages from a mail server using a TCP/IP connection - Port 143

Question 14

Which port is TACACS+?

Answer 14

Terminal Access Control Access, Port 49

Question 15

Which port is AH (IPsec)?

Answer 15

Authentication Header, Port 51

Question 16

Which port is ESP (IPsec)?

Answer 16

Encapsulating Security Payload, Port 50

Question 17

Which port is Kerberos?

Answer 17

Port 88

Question 18

Which port is SNMP?

Answer 18

Simple Network Management Protocol, Port 161, 162

Question 19

Which port is BGP?

Answer 19

Border Gateway Protocol, Port 179

Question 20

Which port is LDAP?

Answer 20

Lightweight Directory Access Protocol, Port 389

Question 21

Which port is HTTPS?

Answer 21

Hypertext Transfer Protocol Secure, Port 443

Question 22

Which port is SMB?

Answer 22

Server Message Block, Port 445

Question 23

Which port is IKE?

Answer 23

Internet Key Exchange, Port 500

Question 24

Which port is SMTPS?

Answer 24

Simple Mail Transfer Protocol Secure, Port 587

Question 25

Which port is LDAPS?

Answer 25

Lightweight Directory Access Protocol Secure, Port 636

Question 26

Which port is FTPS?

Answer 26

File Transfer Protocol Secure, 989, 990

Question 27

Which port is IMAPS?

Answer 27

Internet Message Access Protocol, Port 993

Question 28

Which port is POPS?

Answer 28

Post Office Protocol Secure, Port 995

Question 29

Which port is L2TP?

Answer 29

Layer two tunneling protocol, Port 1701

Question 30

Which port is RADIUS?

Answer 30

Remote Authentication Dial-In User Service, Port 1812, 1813

Question 31

Which port is RDP?

Answer 31

Remote Desktop Protocol, Port 3389

Question 32

Which port is SIP?

Answer 32

Session Initiation Protocol, Port 5060, 5061

Question 33

Which port is VNC?

Answer 33

Virtual Networking Computer, Port 5900

Question 34

Which port is PPTP?

Answer 34

Point to Point Tunneling Protocol, TCP Port 1723

Question 35

Which port is SQLnet?

Answer 35

Structure Query Language, Port 1521

Question 36

Which port is MySQL?

Answer 36

Port 3306