Ports and Protocols

Question 1

File Transfer Protocol (FTP) (20, 21)

Answer 1

Transfers computer files between a client and server on a computer network.
-Unsecure and In the Clear

*For File Transfer

Question 2

Secure Shell (SSH) (22)

Answer 2

Operating network services securely over an unsecured network.
-Remote Login to computers by any user

*For Secure Remote Access

Question 3

Secure Shell File Transfer Protocol (SFTP) (22)

Answer 3

File transfer, access and management over any reliable data stream.

*For Secure File Transfer

Question 4

Telnet (23)

Answer 4

Bidirectional text-oriented communication using a VIRTUAL TERMINAL CONNECTION.
-Like SSH(Secure Shell) but insecure

*For Unsecure Remote Access

Question 5

Simple Mail Transfer Protocol (SMTP) (25)

Answer 5

Internet standard for sending electronic mail (E-Mail)

*For Sending E-Mails

Question 6

Domain Name Service (DNS) (53)

Answer 6

Naming system for computers, resources, or anything connected to the Internet.
-Converts domain names to IP addresses

*For Domain Name Service

Question 7

Dynamic Host Control Protocol (DHCP) (67, 68)

Answer 7

Dynamically assigns IP addresses and other network configurations (DHCP Server)

• Devices can request IP addresses from the DHCP server
• Reduces burden on Network Admins

*For Dynamic Host Control

Question 8

Trivial File Transfer Protocol (TFTP) (69)

Answer 8

Transmits files in both directions of a client-server.

• Used for booting an Operating System from a LAN file server
• No User Authen
• Stripped-down version of (FTP)

*For Trivial File Transfer

Question 9

Hyper Text Transfer Protocol (HTTP) (80)

Answer 9

Foundation of data communication (WWW.)
-Hypermedia presentation

*For Web Browsing

Question 10

Post Office Protocol v3 (POP3) (110)

Answer 10

Used by local e-mail

*For Receiving E-Mails

Question 11

Network Time Protocol (NTP) (123)

Answer 11

Provides clock synchronization over packet-switched data networks.

*For Network Time (Synchronization)

Question 12

NetBIOS (139)

Answer 12

“Network Basic Input/Output System”
-Communication over a LAN for file and printer sharing, between computers

*For Windows File Sharing

Question 13

Internet Message Access Protocol (IMAP) (143)

Answer 13

Provides E-mail clients to retrieve E-mail messages from a mail server over a TCP/IP connection.
-End user (you) can view/manipulate messages

*For Receiving E-Mails

Question 14

Simple Network Management Protocol (SNMP) (161)

Answer 14

Collecting and organizing information about managed devices on IP networks.
-Managing device behavior

*For Network Management

Question 15

Lightweight Directory Access Protocol (LDAP) (389)

Answer 15

Industry standard for accessing and maintaining distributed directory information services.
-Active Directory also uses this port.

*For Directory Services

Question 16

Hyper Text Transfer Protocol Secure (HTTPS) (443)

Answer 16

Foundation of data communication (ecommerce) (WWW.)
-Adds security to the insecure (HTTP)-rotocol

*For Secure Web Browsing

Question 17

Server Message Block (SMB) (445)

Answer 17

Provides shared access to files, printers, and miscellaneous communications between devices on a network.

*For Windows File Sharing

Question 18

System Logging Protocol (Syslog) (514)

Answer 18

Used to send logging data back to a CENTRALIZED SERVER.

*For System Logging

Question 19

Simple Mail Transfer over TLS (SMTP TLS) (587)

Answer 19

Secure and encrypted way to send E-Mails.

*For Secure Sending of E-Mails

Question 20

Lightweight Directory Access Protocol Secure (LDAPS) (636)

Answer 20

Same as LDAP but provides security to directory services.

*For Secure Directory Services

Question 21

Internet Message Access Protocol over SSL (IMAP SSL) (993)

Answer 21

Secure and encrypted way to receive E-Mails.

*For Secure Receiving of E-Mails.

Question 22

Post Office Protocol v3 over SSL (POP3 over SSL) (995)

Answer 22

Secure and encrypted way to receive E-Mails.

*For Secure Receiving of E-Mails.

Question 23

Standard Query Language Server (SQL) (1433)

Answer 23

Used for communication from a client to the database engine.

*For Database Communication

Question 24

SQLnet Protocol (SQLnet) (1521)

Answer 24

Used for communication from a client to an Oracle Database.

*For Oracle Database (DB) Communication

Question 25

MySQL Protocol (3306)

Answer 25

Used for communication from a client to the MYSQL database engine.

*For MySQL Database (DB) Communication

Question 26

Remote Desktop Protocol (RDP) (3389)

Answer 26

Developed by Microsoft
Provides user with a graphical interface to connect to another computer over a network connection.
-User Employs RDP (Client Software) –> Other Computer Runs (Server Software)

*For Remote Desktop

Question 27

Session Initiation Protocol (SIP) (5060, 5061)

Answer 27

Provides signaling and controlling multimedia communication sessions in apps.
-Used for Telephony(INTERNET), voice and video calls, VoIP, and Instant Messaging.

*For VoIP and Video Calls.