2055
NetFlow
Low RiskUDP — System & Infrastructure
Port Overview
Port Number
2055
Service Name
NetFlow
Transport Protocol
UDP
Category
System & Infrastructure
Security Risk
Low
Port Range
Registered (1024-49151)
What is Port 2055?
Port 2055 is commonly used for Cisco NetFlow data export, a network protocol for collecting IP traffic flow information. Network devices export flow records to a NetFlow collector on this port for traffic analysis, capacity planning, and security monitoring. NetFlow data is invaluable for understanding network usage patterns.
UDP
System & Infrastructure
Commonly Used
Security Considerations
Port 2055 (NetFlow) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.
Recommendation: Standard security practices apply. Keep software updated and monitor access.