[tor-relays] Dropping packets with TCP MSS=1400 to foil GFW active probing

2018-08-19 Thread David Fifield
A paper from FOCI 2018 by Arun Dunna, Ciarán O'Brien, and Phillipa Gill on the subject of Tor bridge blocking in China has this interesting suggestion (Section 5.2): https://www.usenix.org/conference/foci18/presentation/dunna To do this, we write a series specific rules using iptables in

Re: [tor-relays] question related to consensus weight fraction calculation

2018-08-19 Thread nusenu
Toralf Förster: > One possible explanation could be that most of the network growth was > made at the same AS as where I do reside? AS is not taken into account for path selection but same /16 IPv4 netblock and same family is. -- https://twitter.com/nusenu_ https://mastodon.social/@nusenu

Re: [tor-relays] question related to consensus weight fraction calculation

2018-08-19 Thread nusenu
Toralf Förster: > I do wonder about any changes in the algorithm which drops the cw of a > relay [1] by a magnitude within 1 year as seen in [2]? > > [1] > https://metrics.torproject.org/rs.html#details/1AF72E8906E6C49481A791A6F8F84F8DFEBBB2BA > [2] >

[tor-relays] question related to consensus weight fraction calculation

2018-08-19 Thread Toralf Förster
I do wonder about any changes in the algorithm which drops the cw of a relay [1] by a magnitude within 1 year as seen in [2]? [1] https://metrics.torproject.org/rs.html#details/1AF72E8906E6C49481A791A6F8F84F8DFEBBB2BA [2]