scanlogd
5.7#24 in intrusion detection and prevention softwareFree planFree planLinuxSelf-hosted
Visitscanlogd suits administrators looking for a Linux or self-hosted TCP port scan detection tool. Those needing help with setup can inquire about commercial support.
Wazuh may suit organizations and individuals seeking security monitoring across endpoints, cloud services, and networks. It offers a self-hosted free option as well as paid Cloud plans.