Protocols and Ports

Question 1

SSH

Answer 1

22

Secure Shell

Question 2

DNS

Answer 2

53

Domain Name System

Question 3

SFTP

Answer 3

22

SSH File Transfer Protocol

Question 4

FTP

Answer 4

20, 21

File Transfer Protocol

Question 5

TFTP

Answer 5

69

Trivial File Transfer Protocol

Question 6

TELNET

Answer 6

23

Question 7

DHCP

Answer 7

67, 68

Dynamic Host Configuration Protocol

Question 8

HTTP

Answer 8

80

Hypertext Transfer Protocol

Question 9

HTTPS

Answer 9

443

Hypertext Transfer Protocol Secure

Question 10

HTTPS (TLS)

Answer 10

443

HTTPS (Transport Layer Security)

Question 11

SNMP

Answer 11

161, 162

Simple Network Management Protocol

Question 12

RDP

Answer 12

3389

Remote Desktop Protocol

Question 13

NTP

Answer 13

123

Network Time Protocol

Question 14

SIP

Answer 14

5060, 5061

Session Initiation Protocol

Question 15

SMB

Answer 15

445

Server Message Block

Question 16

SMTP

Answer 16

25

Simple Mail Transfer Protocol

Question 17

SMTP (TLS)

Answer 17

587

SMTP (Transport Layer Security)

Question 18

POP/POP3

Answer 18

110

Post Office Protocol

Question 19

POP3 (TLS)

Answer 19

995

POP3 (Transport Layer Security)

Question 20

IMAP/ IMAP4

Answer 20

143

Internet Message Access Protocol

Question 21

IMAP (SSL)/ IMAPS

Answer 21

993

IMAP over Secure Sockets Layer

Question 22

LDAP

Answer 22

389

Lightweight Directory Access Protocol

Question 23

LDAPS

Answer 23

636

LDAP over SLL

Question 24

Syslog

Answer 24

514

Question 25

SQL Server

Answer 25

1433 Microsoft's SQL Server

Question 26

SQLnet

Answer 26

1521 Oracle's SQLnet

Question 27

MySQL

Answer 27

3306 open source MySQL