Networking_Protocol-Port, Name, Description

Question 1

FTP

Answer 1

tcp/20, tcp21
File Transfer Protocol
Sends and receives files between systems

Note/extra -
ports 989-990 used for FTPS (utilizes SSL/TLS)
port 22 - SFTP Secure FTP (SFTP) → uses (SSH)

Question 2

SSH

Answer 2

tcp/22
Secure Shell
Encrypted console access

Question 3

Telnet

Answer 3

tcp/23
Telecommunication network
Insecure console access

Question 4

SMTP

Answer 4

tcp/25
Simple Mail Transfer Protocol
Transfer email between mail servers

Note/Extra-
Secure Sockets Layer (SSL) / Transport Layer Security (TLS)
Port 465 or Port 587

Question 5

DNS

Answer 5

udp/53, tcp/53 —– DNS server has inbound port 53
Domain Name System
Convert domain names to IP addresses

Question 6

HTTP

Answer 6

tcp/80
Hypertext Transfer Protocol
Web server communication

Question 7

HTTPS

Answer 7

tcp/443
Hypertext Transfer Protocol
Secure Web server communication with encryption

Question 8

POP3

Answer 8

tcp/110
Post Office Protocol version 3
Receive email into a email client

Question 9

IMAP4 /

IMAP

Answer 9

tcp/143
Internet Message Access Protocol v4
A newer email client protocol

Question 10

RDP

Answer 10

tcp/3389
Remote Desktop Protocol
Graphical display of remote devices
Allows remote control

Question 11

NetBIOS / NetBT

port udp/137

Answer 11

NetBIOS name service

Register, remove, and find Windows services by name

Question 12

NetBIOS / NetBT

port udp/138

Answer 12

NetBIOS datagram service

Windows connectionless data transfer

Question 13

NetBIOS / NetBT

port tcp/139

Answer 13

NetBIOS session service

Windows connection - oriented data transfer

Question 14

SMB /

CIFS

Answer 14

note-
SMB was also referred to as the Common Internet File System (CIFS) protocol

tcp/445
Server Message Block
Windows file transfers and printer sharing

Question 15

AFP

Answer 15

tcp/548
Apple Filing Protocol
Mac OS file transfers

Question 16

SLP

Answer 16

tcp/427, udp/427
Service location Protocol
Find Mac OS services by name

Question 17

DHCP

Answer 17

udp/67, udp/68
Dynamic Host Configuration Protocol
Automate the IP address configuration process

Question 18

LDAP

Answer 18

tcp/389
Lightweight Directory Access Protocol
Directory services:
-Such as the kind involved with Microsoft domains
-(user accounts, computer accounts, groups, and the authentication and permissions involved with those accounts.)

Note/extra-
secure version of LDAP secure LDAP (LDAPS) port 636.

Question 19

SNMP

Answer 19

udp/161
Simple Network Management Protocol
Gather metrics/statistic and manage network devices