Port 5800 — VNC over HTTP
Quick reference for TCP/UDP port 5800, used by VNC over HTTP. Includes what the service does, security guidance and related ports.
What is port 5800?
VNC web client.
What port does VNC over HTTP use?
VNC over HTTP listens on port 5800 by default.
Security guidance
High risk — do not expose to the internet
Port 5800 (VNC over HTTP) is high-risk because the service it carries is a frequent target for credential attacks, brute force or unpatched-vulnerability scanning. Keep it bound to localhost or your VPN, never forward it directly on a router, and require strong authentication.
Related ports
Frequently asked
What is port 5800 used for?+
Port 5800 is the standard TCP/UDP port for VNC over HTTP. VNC web client.
What port does VNC over HTTP use?+
VNC over HTTP listens on port 5800 by default.
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