RADIUS accounting uses which port?

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Prepare for the CPSA Port Numbers exam with multiple choice questions and detailed explanations. Understand key protocols and services to excel in your test.

Multiple Choice

RADIUS accounting uses which port?

Explanation:
RADIUS uses separate UDP ports for authentication and accounting. By default, authentication requests are sent to port 1812, while accounting records go to port 1813. So RADIUS accounting uses UDP port 1813. This separation lets the server distinguish between login verification and usage tracking. The other ports listed serve different services, such as 1812 for authentication, 1900 for UPnP discovery, and 1723 for PPTP VPN control.

RADIUS uses separate UDP ports for authentication and accounting. By default, authentication requests are sent to port 1812, while accounting records go to port 1813. So RADIUS accounting uses UDP port 1813. This separation lets the server distinguish between login verification and usage tracking. The other ports listed serve different services, such as 1812 for authentication, 1900 for UPnP discovery, and 1723 for PPTP VPN control.

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