I made a clitd script I back when I had a box set up at highschool. If anyone tried to connect to standard tcp services that I decided were not supported (time/

I made a clitd script I back when I had a box set up at highschool. If anyone tried to connect to standard tcp services that I decided were not supported (time/port 7 and such), I would add their subnet to hosts deny for a day. It was pretty useful for fending off attacks that pre-empted with a port scan.