3.1 - Secure Protocols Flashcards

1
Q

What is SRTP?

A

The secure version of RTP.

Adds AES to encrypt voice/video flow.

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2
Q

What is the secure version of NTP (Network Time Protocol)?

A

NTPSec

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3
Q

What is the secure version of MIME?

A

S/MIME

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4
Q

What is the secure version of POP3?

A

Secure POP3, uses SSL

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5
Q

What is the secure version of IMAP?

A

Secure IMAP, uses SSL

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6
Q

What is SSL/TLS?

A

Secure Sockets Layer/Transport Layer Security

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7
Q

What is HTTPS?

A

HTTP over TLS/ HTTP over SSL/ HTTP Secure

Uses a public key encryption with a private key on the server. (Asymmetric)

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8
Q

What is IPsec?

A

Security for OSI Layer 3.

It provides authentication and encryption for every packet and confidentiality and integrity (anti-replay) via encryption and packet signing.

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9
Q

What are the two core IPsec protocols?

A

Authentication Header (AH)
Encapsulation Security Payload (ESP)

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10
Q

What are the secure versions of FTP?

A

FTPS
- FTP over SSL (FTP-SSL)
- File Transfer Protocol Secure

SFTP
- SSH Transfer Protocol
- Provides file system functionality
- Resuming interrupted transfers, directory listings,
and remote file removal

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11
Q

What is the secure version of LDAP (Lightweight Directory Access Protocol)?

A

LDAPS (LDAP Secure)
- Uses SSL

Can run using SASL (Simple Authentication and Security Layer)
- Provides authentication using many different
methods

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12
Q

What is the secure version of telnet and FTP?

A

SSH (Secure Shell)

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13
Q

What is used to secure DNS?

A

DNSSEC (Domain Name System Security Extensions)

Validates DNS responses
- Origin authentication
- Data integrity

Public key cryptography

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14
Q

What is the current secure version of SNMP?

A

SNMPv3 (Simple Network Management Protocol version 3)
- Confidentiality - Encrypted data
- Integrity
- Authentication

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15
Q

What is used to secure DHCP?

A

There are no “secure” versions of the DHCP protocol.

DHCP Servers must be authorized
DHCP distribution is only allowed from trusted
interfaces
Switches can be configured to limit the number of
MAC addresses per interface

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16
Q
A