TCP Port 4243

About TCP Port 4243

Port 4243 is not assigned to any service in the IANA Service Names and Port Numbers Registry. Ports in this numerical range can be assigned by IANA but this specific port has no current registration. It does not currently appear in the IDS rulesets or malware activity indicators in our data sources. Unregistered ports are still commonly repurposed by local software, games, and occasionally malware, so verify what is listening before allowing traffic.