Port 5986 supports WinRM over HTTPS and wsmans (UDP reference coverage) across distinct transports. Review each protocol before writing firewall or monitoring policy.
Default Windows Remote Management listener protected by HTTPS.
Secure Windows administration and PowerShell remoting across network boundaries.
Client to server
Use a valid server certificate, constrain administrative access and maintain strong authentication and endpoint policy.
wsmans (UDP reference coverage) is documented as a network service convention for port 5986 over UDP.
Use this reference entry when identifying or validating systems documented to use 5986/UDP.
Varies
Confirm the listening process and current vendor documentation before permitting traffic; a listed convention does not prove the active service or its security posture.