I was thinking of something similar, but in reverse -- turn this into part tarpit, part honeypot.
I was thinking I could take the IP address of anyone who hangs out in the tarpit for longer than a minute or so and automatically add it to my firewall's blacklist.
I was thinking I could take the IP address of anyone who hangs out in the tarpit for longer than a minute or so and automatically add it to my firewall's blacklist.