547
DHCPv6 Server
High RiskUDP — System & Infrastructure
Port Overview
Port Number
547
Service Name
DHCPv6 Server
Transport Protocol
UDP
Category
System & Infrastructure
Security Risk
High
Port Range
Well-Known (0-1023)
What is Port 547?
Port 547 is assigned to DHCPv6 server. A rogue DHCPv6 server can redirect traffic through adversary-controlled infrastructure.
UDP
System & Infrastructure
Commonly Used
Security Considerations
Port 547 (DHCPv6 Server) 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.