PORTS

Question 1

20 and 21

Answer 1

FTP (20 is for data/ 21 is for connection/ C2)

FTP = File Transfer Protocol

Question 2

22

Answer 2

SSH, SCP, and SFTP ( All Secure)
SSH = Secure Shell
SCP = Secure Copy Protocol
SFTP = Secure File Transfer Protocol

Question 3

23

Answer 3

Telnet

Question 4

25

Answer 4

SMTP

SMTP = Simple Mail Transfer Protocol

Question 5

49

Answer 5

TACACS/ TACACS+
TACACS = Terminal Access Controller Access Control System
Separate authentication, authorization and auditing capabilities.
TACACS+ encrypts the entire body o fat packet, rather than the password like RADIUS

Question 6

53

Answer 6

DNS (UDP for queries, TCP for zone-transfers)

DNS = Domain Name Server

Question 7

69

Answer 7

TFTP

TFTP = Trivial File Transfer Protocol

Question 8

80

Answer 8

HTTP

HTTP = Hypertext Transfer Protocol

Question 9

88

Answer 9

Kerberos

Kerberos = Ticket Granting Ticket System

Question 10

110

Answer 10

POP3 (incoming email service)

Question 11

123

Answer 11

NTP

NTP = Network Time Protocol (Easy as NTP/123)

Question 12

137, 138, 139

Answer 12

NetBIOS (file, folder, and printer sharing)

Question 13

143

Answer 13

IMAP (incoming email)

Question 14

161

Answer 14

SNMP

SNMP = Simple Network Management Protocol

Question 15

389

Answer 15

LDAP

LDAP = Lightweight Directory Access Protocol

Question 16

443

Answer 16

SSL and HTTPS
SSL = Secure Socket Layer
HTTPS = Hypertext Transfer Protocol Secure

Question 17

636

Answer 17

Secure LDAP ( Secured with SSL or TLS)
LDAP = Lightweight Directory Access Protocol

Question 18

995

Answer 18

POP3 over SSL ( Secure Email)

POP3 = Email over Secure Socket Layer

Question 19

1433

Answer 19

MS-SQL Database

MS-SQL = Relational Database created by Microsoft

Question 20

1812, 1813

Answer 20

RADIUS

RADIUS = Remote Authentication Dial-In User Service

Question 21

3389

Answer 21

RDP

RDP = Remote Desktop

Question 22

6667

Answer 22

IRC

IRC = Internet Relay Chat