It's become clear that it is almost impossible to run an exit node with the default exit policy in the USA, due to bittorrent DMCA abuse spambots. I believe this means that we should try to come up with one or more standard, reduced exit policy sets that allow use of the majority of popular internet services without attracting bittorrent users and associated spam.
Using previous threads, I have an initial sketch of such a policy at: https://blog.torproject.org/blog/tips-running-exit-node-minimal-harassment It includes the following ports: 20-22, 53, 79-81, 110, 143, 443, 465, 563, 587, 706, 873, 993, 995, 1863, 5190, 5050, 5222, 5223, 8008, 8080, 8888. While looking over the Vidalia settings, I just noticed that IRC is missing from this list: 6666, 6667, 6697. However, IRC is also a common source of abuse and DDoS attacks, and is often forbidden by ISP AUP. Because of this, I was thinking we should probably define 3 or 4 levels of Exit Policy: 1. Low Abuse (above list, possibly minus 465, 587 and 563) 2. Medium Abuse (above list, plus IRC) 3. High Abuse (default exit policy) Now the question is, what other ports should we add or subtract from this list? -- Mike Perry Mad Computer Scientist fscked.org evil labs
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