Port 3702 — WS-Discovery
Quick reference for TCP/UDP port 3702, used by WS-Discovery. Includes what the service does, security guidance and related ports.
What is port 3702?
Used by ONVIF cameras and Windows Network discovery.
What port does WS-Discovery use?
WS-Discovery listens on port 3702 by default.
Security guidance
Medium risk — open with care
Port 3702 (WS-Discovery) 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 3702 used for?+
Port 3702 is the standard TCP/UDP port for WS-Discovery. Used by ONVIF cameras and Windows Network discovery.
What port does WS-Discovery use?+
WS-Discovery listens on port 3702 by default.
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