Port 547 — DHCPv6 server
Quick reference for TCP/UDP port 547, used by DHCPv6 server. Includes what the service does, security guidance and related ports.
Port
547
Protocol
UDP
Service
DHCPv6 server
What is port 547?
DHCPv6 server.
What port does DHCPv6 server use?
DHCPv6 server listens on port 547 by default.
Security guidance
Medium risk — open with care
Port 547 (DHCPv6 server) can safely face the internet if you keep the software up to date, restrict admin endpoints, and use TLS where possible. Audit who can reach it and watch your logs.
Related ports
Frequently asked
What is port 547 used for?+
Port 547 is the standard TCP/UDP port for DHCPv6 server. DHCPv6 server.
What port does DHCPv6 server use?+
DHCPv6 server listens on port 547 by default.
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