Linux network sniffers
- Ethereal: A Network Protocol Analyzer Experts in the networking community to add enhancements. It runs on all popular computing platforms, including Unix, Linux, and Windows.
- TCPdump Great tool, for capturing packets with Linux computers, working as sniffers.
- sniffdet – Remote Sniffer Detector for Linux Sniffdet implements various tests for the detection of machines running in promiscuous mode or with a sniffer.