detect_sniffer6 man page
detect_sniffer6 interface [target6]
Tests if systems on the local LAN are sniffing. Works against Windows, Linux, OS/X and *BSD If no target is given, the link-local-all-nodes address is used, which however not always works.
thc-ipv6 was written by van Hauser <firstname.lastname@example.org> / THC
The homepage for this toolkit is: http://www.thc.org/thc-ipv6
detect_sniffer6 v3.4 (c) 2018 by van Hauser / THC <email@example.com> www.thc.org