This may only disable downloading or may get error messages on requests. I am just looking at what's wrong in gnucleus and it seems there is some buffer problem on hashing data which is well computed (even if you may have noticed how slow). Both problems may be quite easily solved.

... and I added some other features (more intelligent blocking IP) and multiple choice for downloading and also working on a DoS massive conter-strike (getting info on DoS). It seems other are working on the latter on Gnucleus.