520
RIP
High RiskUDP — System & Infrastructure
Port Overview
Port Number
520
Service Name
RIP
Transport Protocol
UDP
Category
System & Infrastructure
Security Risk
High
Port Range
Well-Known (0-1023)
What is Port 520?
Port 520 is assigned to RIP (Routing Information Protocol), one of the oldest distance-vector routing protocols. Exposure allows routing table poisoning.
UDP
System & Infrastructure
Commonly Used
Security Considerations
Port 520 (RIP) is classified as high risk. This port is a common target for automated scanning and brute-force attacks. If you must expose it, restrict access to known IP addresses.
Recommendation: Use firewall rules to whitelist trusted IPs. Enable rate limiting and intrusion detection.