Network Security

Randomisation des ports éphémères

A technique where ephemeral (temporary) TCP/UDP ports are assigned randomly to reduce the risk of port prediction attacks, as defined in IETF RFC 6056 and NIST SP 800-77.

Quick answer: A technique where ephemeral (temporary) TCP/UDP ports are assigned randomly to reduce the risk of port prediction attacks, as defined in IETF RFC 6056 and NIST SP 800-77.

This term page is part of the Protermify Cybersecurity glossary and is published as static HTML for fast indexing and clear language coverage.

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Quick answer

A technique where ephemeral (temporary) TCP/UDP ports are assigned randomly to reduce the risk of port prediction attacks, as defined in IETF RFC 6056 and NIST SP 800-77.

Why it matters

Randomisation des ports éphémères matters because it supports clear communication in Network Security contexts for SOC Analysts, Security Engineers, and Incident Responders. It also connects to aviation training and exam language such as CISSP, CompTIA Security+, and CEH.

Editorial context

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Questions and answers

Questions and answers

What is Randomisation des ports éphémères?

In this glossary, Randomisation des ports éphémères refers to: A technique where ephemeral (temporary) TCP/UDP ports are assigned randomly to reduce the risk of port prediction attacks, as defined in IETF RFC 6056 and NIST SP 800-77.

How is Randomisation des ports éphémères used in cybersecurity?

In cybersecurity communication, this term appears in contexts such as: "Activez la randomisation des ports éphémères sur tous les appareils clients pour empêcher les attaquants de prédire les numéros de port et de lancer des exploits ciblés."

Why does Randomisation des ports éphémères matter in cybersecurity?

Randomisation des ports éphémères matters because it supports clear communication in Network Security contexts for SOC Analysts, Security Engineers, and Incident Responders. It also connects to aviation training and exam language such as CISSP, CompTIA Security+, and CEH.

Who uses Randomisation des ports éphémères?

Randomisation des ports éphémères is mainly used by SOC Analysts, Security Engineers, and Incident Responders.

What category does Randomisation des ports éphémères belong to?

In this glossary, Randomisation des ports éphémères is grouped under Network Security. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK and published by Protermify Cybersecurity as a static cybersecurity reference page.

Definition

A technique where ephemeral (temporary) TCP/UDP ports are assigned randomly to reduce the risk of port prediction attacks, as defined in IETF RFC 6056 and NIST SP 800-77.

Operational example

Enable ephemeral port randomization on all client devices to prevent attackers from predicting port numbers and launching targeted exploits.

Localized term

Randomisation des ports éphémères

Localized example

Activez la randomisation des ports éphémères sur tous les appareils clients pour empêcher les attaquants de prédire les numéros de port et de lancer des exploits ciblés.

Definition language

English reference definition

Source

ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK

Category

Network Security

Exam relevance

  • CISSP
  • CompTIA Security+
  • CEH

Target audience

  • SOC Analysts
  • Security Engineers
  • Incident Responders

Related terms

Use the related links below to continue through connected cybersecurity terminology.

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