Okay, I am getting confused. (OSI model here) ATM we are traffic shaping/blocking at layer 3
DNS is layer 7. destination IP and port should be layer 1-4, right? Markus 2016-10-04 22:18 GMT+02:00 Roger Dingledine <a...@mit.edu>: > On Tue, Oct 04, 2016 at 10:08:25PM +0200, Markus Koch wrote: >> Thank you very much, interesting. So I could block URLs but not on >> deep packet inspection? > > That's where it starts to get murky: where do headers end and contents > begin? It depends what protocol layer you're looking at. Law-makers > spend a lot of time debating exactly that question. > > In Tor's world, since Tor transports TCP streams, we think the headers > are what the TCP layer thinks of as headers, e.g. destination IP and > destination port. And the URL is way down in the payload. (After all, > what business is it of Tor's whether that stream you send over port 80 > is http or is something else?) > > --Roger > > _______________________________________________ > tor-relays mailing list > tor-relays@lists.torproject.org > https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays _______________________________________________ tor-relays mailing list tor-relays@lists.torproject.org https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
