Re: [tor-dev] obfs4, meek, active probing and the timeline of pluggable transports

2018-10-27 Thread Sambuddho Chakravarty
Obfs4 can apparently solve most of the problems pertinent to identifying Tor bridge traffic by inspection of TLS headers... Meek relies on SNI field of TLS headers to communicate to bridges via a "front end ". >From an overall cursory glance it appears that obfs4 was introduced in 2014 while

Re: [tor-dev] (no subject)

2018-03-15 Thread Sambuddho Chakravarty
Hi All We (myself and my student, cc'ed here) have some questions regarding Tor relay bandwidth. We created a small testbed (private Tor network) involving relays, clients and servers over virtual machines. The client uses the relays to create two hop circtuits to communicate to the server. The

[tor-dev] Tor's current traffic scheduling

2012-10-02 Thread Sambuddho Chakravarty
Hi All I am a bit curious to know how does the traffic scheduling work in the present Tor distributions. Is it EWMA or the old round robin method ? Thanks Sambuddho ___ tor-dev mailing list tor-dev@lists.torproject.org

Re: [tor-dev] Reg : using the keep alive messages

2011-06-27 Thread Sambuddho Chakravarty
, Sambuddho Chakravarty sc2...@columbia.eduwrote: Which is the relevant part of the that should I look into for injecting such cells in streams ? Thanks Sambuddho On Thu, Jun 9, 2011 at 3:03 PM, Sambuddho Chakravarty sc2...@columbia.edu wrote: Dear Roger Thanks for your response. I read

Re: [tor-dev] Reg : using the keep alive messages

2011-06-24 Thread Sambuddho Chakravarty
Which is the relevant part of the that should I look into for injecting such cells in streams ? Thanks Sambuddho On Thu, Jun 9, 2011 at 3:03 PM, Sambuddho Chakravarty sc2...@columbia.eduwrote: Dear Roger Thanks for your response. I read the spec document about the RELAY_DROP cells. You

Re: [tor-dev] Reg : using the keep alive messages

2011-06-09 Thread Sambuddho Chakravarty
variant) . Thanks Sambuddho On Thu, Jun 9, 2011 at 12:29 PM, Roger Dingledine a...@mit.edu wrote: On Wed, Jun 08, 2011 at 08:11:58PM -0400, Sambuddho Chakravarty wrote: Hi All I read in the Tor design spec that Tor control protocol supports keepalive messages which could be used for link