PORTS

Question 1

Port 21

Answer 1

FTP (File Transfer Protocol)

Question 2

Port 22

Answer 2

SSH (Secure Shell)
SCP (Secure Copy Protocol)
SFTP (Secure File Transfer Protocol)

Question 3

Port 23

Answer 3

Telnet (Teletype Network)

Question 4

Port 25

Answer 4

SMTP (Simple Mail Transfer Protocol)

Question 5

Port 53

Answer 5

DNS (Domain Name System)

Question 6

Port 69

Answer 6

TFTP (Trivial File Transfer Protocol)

Question 7

Port 80

Answer 7

HTTP (Hypertext Transfer Protocol)

Question 8

Port 88

Answer 8

Kerberos

Question 9

Port 110

Answer 9

POP3 (Post Office Protocol Version 3)

Question 10

Port 110

Answer 10

NNTP (Network News Transfer Protocol)

Question 11

Port 135

Answer 11

RPC (Remote Procedure Call)

Question 12

Ports 137, 138, 139

Answer 12

NetBIOS

Question 13

Port 143

Answer 13

IMAP (Internet Message Access Protocol)

Question 14

Port 161

Answer 14

SNMP (Simple Network Management Protocol)

Question 15

Port 162

Answer 15

SNMP Trap

Question 16

Port 389

Answer 16

LDAP (Lightweight Directory Access Protocol)

Question 17

Port 443

Answer 17

HTTP (HTTP Secure)

Question 18

Port 445

Answer 18

SMB (Server Message Block)

Question 19

Ports 465, 587

Answer 19

SMTPS (SMTP Secure)

Question 20

Port 514

Answer 20

Syslog

Question 21

Port 636

Answer 21

LDAPS (LDAP Secure)

Question 22

Port 993

Answer 22

IMAPS (IMAP Secure)

Question 23

Port 995

Answer 23

POP3S (POP3 Secure)

Question 24

Port 1443

Answer 24

Microsoft SQL

Question 25

Ports 1645, 1646

Answer 25

RADIUS TCP

Question 26

Port 3389

Answer 26

RDP (Remote Desktop Protocol)

Question 27

Port 6514

Answer 27

Syslog TLS