detection

In computer terminology, a honeypot is a trap set to detect, deflect, or in some manner counteract attempts at unauthorized use of information systems. Generally it consists of a computer, data, or a network site that appears to be part of a network but which is actually isolated, (un)protected, and monitored, and which seems to contain information or a resource that would be of value to attackers.

There are a few ways a network technician can detect a NIC running in promiscuous mode. One way is to physically check all the local computers for any sniffer devices or programs. There are also software detection programs that can scan networks for devices that are running sniffer programs (for example, AntiSniff). These scanner programs use different aspects of the Domain Name Service and TCP/IP components of a network system to detect any malicious programs or devices that are capturing packets (running in promiscuous mode).