What is Ephemeral Port Randomization?
Ephemeral Port Randomization 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.
Source: ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK
How is “Ephemeral Port Randomization” Used in Practice?
Enable ephemeral port randomization on all client devices to prevent attackers from predicting port numbers and launching targeted exploits.
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Who Needs to Know This Term?
- SOC Analysts
- Security Engineers
- Incident Responders
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What is Ephemeral Port Randomization?
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.
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