8123
Home Assistant
High RiskTCP — Other
Port Overview
Port Number
8123
Service Name
Home Assistant
Transport Protocol
TCP
Category
Other
Security Risk
High
Port Range
Registered (1024-49151)
What is Port 8123?
Port 8123 is the default HTTP port for Home Assistant, the most popular open-source home automation platform. Users access Home Assistant's web interface and REST API on this port to control smart home devices, automations, and integrations. Exposing this port to the internet without proper authentication risks complete smart home system compromise.
TCP
Other
Commonly Used
Security Considerations
Port 8123 (Home Assistant) is classified as high risk. This port is a common target for automated scanning and brute-force attacks. If you must expose it, restrict access to known IP addresses.
Recommendation: Use firewall rules to whitelist trusted IPs. Enable rate limiting and intrusion detection.