On Feb 12 2007 23:16, howard chen wrote: > > We have a web server, recently received a lot of requests from oversea > proxy. The requests are to spam our applications (i.e. leave > comments). They don't success, since they never get the correct > captacha. > > But the problem is: They are doing requests & requests forever (even > with no success). This lead to: > > 1. Waste of CPU time of our web server > 2. Waste of oversea bandwidth > > Can iptables or related tools or packages can do this for me? > > p.s. Since they are changing proxy all the time, so might be need a > automatic solutions, Block their proxies using TARPIT. Jan -- ft: http://freshmeat.net/p/chaostables/
