Port 593 — HTTP RPC EPMAP
Quick reference for TCP/UDP port 593, used by HTTP RPC EPMAP. Includes what the service does, security guidance and related ports.
Port
593
Protocol
TCP
Service
HTTP RPC EPMAP
What is port 593?
Microsoft DCOM over HTTP.
What port does HTTP RPC EPMAP use?
HTTP RPC EPMAP listens on port 593 by default.
Security guidance
Medium risk — open with care
Port 593 (HTTP RPC EPMAP) 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 593 used for?+
Port 593 is the standard TCP/UDP port for HTTP RPC EPMAP. Microsoft DCOM over HTTP.
What port does HTTP RPC EPMAP use?+
HTTP RPC EPMAP listens on port 593 by default.
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