Port

Port 520 — RIP

Port 520 (UDP) is used by RIP. Routing Information Protocol — distance-vector routing updates.

Port 520 at a glance

PropertyValue
Port number520
TransportUDP
ServiceRIP
CategoryWell-known port

What it is used for

Routing Information Protocol — distance-vector routing updates.

Security considerations

Use authentication; RIP is easily spoofed.

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

Frequently asked questions

What is port 520 used for?

Port 520 (UDP) is used by RIP. Routing Information Protocol — distance-vector routing updates.

Is port 520 TCP or UDP?

Port 520 uses UDP.

Is it safe to open port 520?

Use authentication; RIP is easily spoofed.

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