PORTS - NAMES & DEFINITIONS

Question 1

Default Trivial File Transfer protocol

Answer 1

TFTP uses UDP protocol which is unsecure and has no error checking built into it. FTP uses TCP transfer protocol.

Question 2

Domain Name Service

Answer 2

Used to associate IP addresses with domain names, DNS local name queries go on UDP 53, whereas DNS Zone Transfer goes on TCP 53.

Question 3

Dynamic Host Configuration Protocol

Answer 3

Network management protocol used on Internet Protocol networks for automatically assigning IP addresses to devices connected to the network using a client-server architecture.

Question 4

HTTP

Answer 4

HTTP is used to load pages on the internet using hyperlinks.

Question 5

IMAP/S

Answer 5

used by email clients to retrieve email messages from a mail server over a TCP/IP connection. It is encrypted using SSL or TLS.

Question 6

Internet Message Access Protocol

Answer 6

TCP/IP connection and not encrypted.

Question 7

Internet Protocol Security

Answer 7

authenticates and encrypts the packets of data to provide secure encrypted comm between two computers over IP network. Used in VPN for creating secure tunnels

Question 8

Kerberos

Answer 8

computer network authentication protocol that works on the basis of tickets to allow nodes communicating over a non-secure network to prove their identity to one another in a secure manner.

Question 9

Layer 2 Tunneling Protocol

Answer 9

used to support VPNs or as part of the delivery of services by ISPs. It uses encryption only for its own control messages, and does not provide any encryption or confidentiality of content by itself.

Question 10

Lightweight Directory Access Protocol

Answer 10

Usernames, passwords, email addresses, printer connections, and other static data stored in directories. An open, vendor-neutral app protocol for accessing and maintaining that data. LDAP can tackle authentication, so users can sign on just once and access many different files on the server. This is not encrypted.

Question 11

Network Time Protocol

Answer 11

NTP is an IP that is used to synchronize clocks on computer networks within milliseconds of Universal Coordinated Time (UTC).

Question 12

NetBIOS

Answer 12

non-routable OSI session layer 5 protocol and a service that allows applications on comuters to communicate with one another over a local area network (LAN). It is used in Windows for its file and printer sharing.

Question 13

Point-to-point tunneling protocol.

Answer 13

PPTP, on TCP port 1723, is one of the oldest VPN protocols still in use, having been around since windows 95 and standard on all versions of windows since, PPTP is also subject to serious security vulnerabilities.

Question 14

Post Officed Protocol

Answer 14

POP3 is an app-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a mail server. It is not encrypted.

Question 15

Remote Authentication Dial In User Service

Answer 15

a networking protocol that provides centralized AAA mgmt for user who connect and use a network service.

Question 16

Remote Desktop protocol (RDP)

Answer 16

windows proprietary protocol that provides a remote connection between two computers. The RDP makes it possible for employees to connect to their work desktop computer when they work remotely.

Question 17

Secure Copy

Answer 17

means of securely transferring computer files between a local host and a remote host or between two remote hosts. It is based on the Secure Shell (SSH) protocol.

Question 18

Secure File Transfer Protocol

Answer 18

encrypted file transfer protocol using SSH encryption.

Question 19

FTPS

Answer 19

is an extension of the commonly used FTP that adds support for the Transport Layer Security (TLS) and the Secure Sockets Layer (SSL) cryptographic protocols.

Question 20

HTTPS

Answer 20

uses TLS (SSL) to encrypt normal HTTP requests and responses. As a result, HTTPS is far more secure than HTTP.

Question 21

Secure LDAP

Answer 21

Uses SSL or TLS for encryption.

Question 22

Secure Post Office Protocol

Answer 22

Uses SSL or TLS.

Question 23

Secure Shell

Answer 23

Transmit data through a remote connection.

Question 24

Secure Telnet

Answer 24

SSH connection for telnet

Question 25

SMB Server Message Block

Answer 25

network file sharing protocol, and is implemented in Windows knowns as Microsoft SMB protocol.

Question 26

SMTP

Answer 26

Is SSL encrypted.

Question 27

SMTP

Answer 27

internet standard protocol for electronic mail transmission.

Question 28

SNMP

Answer 28

protocol for monitoring, collecting, and organizing info about managed devices on IP networks. SNMP uses both port 161 and port 162 for sending commands and messages. SNMP ports are utilized via UDP 161 for SNMP Managers communicating with SNMP Agents and UDP 162 when agents send unsolicited Traps to the SNMP manager.

Question 29

SQL

Answer 29

relational database management system developed by Microsoft. Software product with primary function of storing and retrieving data as requested by other software applications.

Question 30

Telnet

Answer 30

standard method for terminal devices and terminal-oriented processes to interface. TELNET is commonly used by terminal emulation programs that allow you to log into a remote host. It is not encrypted at all.

Question 31

TACACS+

Answer 31

used in AAA framework to provide centralized authentication for users who want to gain access to the network. allows TACACS client to request detailed access control and allows the TACACS+ process to respond to each component of that request.

Question 32

Trivial File Transfer Protocol

Answer 32

TFTP is simple protocol for transferring files. Uses UDP to transport data from one end to another. TFTP is mostly used to read and write files/mail to or from a remote server.