Honeyd Security Advisory 2006-001 – A bug in the IP reassembly codes causes Honeyd to reply to illegal fragments that other implementations would silently drop. Watching for replies, it is possible to detect IP addresses simulated by Honeyd.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/43930/honeyd-2006-001.txt
Source: https://packetstormsecurity.com/files/43930/honeyd-2006-001.txt.html