Port

Port 1813 — RADIUS acct

Port 1813 (UDP) is used by RADIUS acct. RADIUS accounting.

Port 1813 at a glance

PropertyValue
Port number1813
TransportUDP
ServiceRADIUS acct
CategoryRegistered port

What it is used for

RADIUS accounting.

Security considerations

Restrict to AAA infrastructure.

See our full TCP/UDP port reference and learn how firewalls filter ports in the CyberOps course.

Frequently asked questions

What is port 1813 used for?

Port 1813 (UDP) is used by RADIUS acct. RADIUS accounting.

Is port 1813 TCP or UDP?

Port 1813 uses UDP.

Is it safe to open port 1813?

Restrict to AAA infrastructure.

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