Ports, Protocols, Codes

Question 1

Port 80

Answer 1

HTTP

TCP / UDP

Question 2

Port 443

Answer 2

HTTPS

TCP / UDP

Question 3

Port 22

Answer 3

SSH / SCP

TCP

Question 4

ICMP

Answer 4

Internet control message protocol

Question 5

TCP

Answer 5

Transmission control protocol

Question 6

UDP

Answer 6

User datagram protocol

Question 7

Port 53

Answer 7

DNS

Not secure and unencrypted

TCP / UDP

Question 8

Port 20/ 21

Answer 8

FTP

TCP

Question 9

Port 123

Answer 9

NTP

UDP

Question 10

Port 161

Answer 10

SNMP

UDP

Question 11

Port 67 / 68

Answer 11

DHCP / BOOTP

UDP

Question 12

S/MIME

Answer 12

Secure multipurpose internet mail exchange

Question 13

ARP

Answer 13

Address resolution protocol

Fun fact: ARP has zero security and is often a target for attacks like ARP poisoning, MAC floods, etc

Question 14

Port 23

Answer 14

Telnet

Insecure protocol used to gain command-line access to a remote server

Replaced with SSH

TCP

Question 15

Port 7

Answer 15

Echo

TCP / UDP

Question 16

Port 25

Answer 16

SMTP, simple mail transfer protocol

TCP

Question 17

Port 69

Answer 17

TFTP, trivial file transfer protocol

UDP

Question 18

Port 88

Answer 18

Kerberos

TCP / UDP

Question 19

Port 110

Answer 19

POP3, post office protocol v3

TCP

Question 20

Port 137

Answer 20

NetBIOS

TCP / UDP

Question 21

Port 143

Answer 21

IMAP, internet message access protocol

TCP

Question 22

Port 194

Answer 22

IRC, internet relay chat

TCP / UDP

Question 23

Port 389

Answer 23

LDAP

TCP

Question 24

Port 445

Answer 24

SMB (Microsoft server message block)

TCP

AD, active directory

TCP / UDP

Question 25

Port 464

Answer 25

Kerberos password settings

TCP / UDP

Question 26

Port 547

Answer 26

DCHPv6

TCP / UDP

Question 27

Port 636

Answer 27

LDAP over TLS/SSL

TCP

Question 28

Port 1719 / 1720

Answer 28

H.323

voice and video services over IP networks

TCP / UDP

Question 29

Port 5060

Answer 29

SIP, session initiation protocol

Used for initiating, maintaining, and terminating communication sessions that include voice, video, and messaging applications

TCP / UDP

Question 30

Port 5601

Answer 30

SIP over TLS

TCP

Question 31

SSL

Answer 31

A now deprecated protocol that’s been officially renamed TLS, transport layer security

TLS currently is in v1.2 and 1.3

Question 32

SPT

Answer 32

Spanning tree protocol

Helps switches maintain a loop free environment

Question 33

Port 993

Answer 33

IMAP over SSL

TCP

Question 34

Port 995

Answer 34

POP3 over SSL

TCP / UDP

Question 35

Port 1433 / 1434

Answer 35

Microsoft MySQL server / monitor

TCP / UDP

Question 36

Port 3306

Answer 36

MySQL database system

TCP

Question 37

Port 3389

Answer 37

RDP, Microsoft remote desktop protocol

Officially registered as Windows based terminal (WBT)

TCP / UDP

Question 38

Port 587

Answer 38

SMTPS (simple mail transfer protocol secure with TLS)

TCP

Question 39

Port 514

Answer 39

Syslog

UDP

Question 40

HTTP status codes

Answer 40

1xx: Informational response

2xx: Success

3xx: Redirect

4xx: Client error

5xx: Server error

Question 41

Code 200

Answer 41

HTTP success: OK

Question 42

Code 301

Answer 42

Permanent redirect

Question 43

Code 302

Answer 43

Temporary redirect

Question 44

Code 404

Answer 44

Not found

Question 45

Code 410

Answer 45

Gone

Question 46

Code 500

Answer 46

Internal server error

Question 47

Code 503

Answer 47

Service unavailable