Ports & Protocols

Question 1

What port does DNSSEC use?

Answer 1

53

Question 2

What port does HTTPS use?

Answer 2

443

Question 3

What ports does FTPS use?

Answer 3

989, 990

Question 4

What port does LDAPS use?

Answer 4

636

Question 5

What port does S/MIME use?

Answer 5

n/a (not applicable)

Question 6

What port does Secure POP/IMAP use?

Answer 6

993

Question 7

What port does SFTP use?

Answer 7

22

Question 8

What port does SNMPv3 use?

Answer 8

161

Question 9

What port does SRTP use?

Answer 9

** 5004**

Question 10

What port does SSH use?

Answer 10

** 22**

Question 11

What ports do SSL/TLS use?

Answer 11

443

Question 12

DNSSEC: Domain Name System Security Extensions

Answer 12

A suite of specifications for securing certain kinds of information provided by the Domain Name System (DNS) as used on Internet Protocol (IP) networks.

Question 13

FTPS: File Transfer Protocol Secure

Answer 13

An extension of the File Transfer Protocol (FTP) that supports cryptographic security protocols such as SSL/TLS.

Question 14

HTTPS: Hypertext Transfer Protocol Secure

Answer 14

An extension of the Hypertext Transfer Protocol (HTTP) for secure communication over a computer network, widely used on the Internet.

Question 15

LDAPS: Lightweight Directory Access Protocol Secure

Answer 15

A version of LDAP that is transmitted over a secure, encrypted SSL/TLS connection.

Question 16

S/MIME: Secure/Multipurpose Internet Mail Extensions

Answer 16

A standard for public key encryption and signing of MIME data, used for secure email transmission.

Question 17

Secure POP/IMAP: Post Office Protocol / Internet Message Access Protocol Secure

Answer 17

Versions of POP and IMAP that are used to retrieve email from a server, operating over an SSL/TLS encrypted connection.

Question 18

SFTP: SSH File Transfer Protocol

Answer 18

A network protocol that provides file access, file transfer, and file management functionalities over any reliable data stream.

Question 19

SNMPv3: Simple Network Management Protocol version 3

Answer 19

The third version of the SNMP protocol, which provides secure access to devices by a combination of authenticating and encrypting packets over the network.

Question 20

SRTP: Secure Real-time Transport Protocol

Answer 20

An extension of the Real-time Transport Protocol (RTP) providing encryption, message authentication, and integrity.

Question 21

SSH: Secure Shell

Answer 21

A cryptographic network protocol for operating network services securely over an unsecured network.

Question 22

SSL/TLS: Secure Sockets Layer / Transport Layer Security

Answer 22

Cryptographic protocols designed to provide communications security over a computer network.

Question 23

TFTP: Trivial File Transfer Protocol

Answer 23

A simple, lockstep, File Transfer Protocol which allows a client to get a file from or put a file onto a remote host.