Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-03-08 Thread George Kadianakis
Tariq Elahi writes: > On 05-Mar-14 5:19 PM, George Kadianakis wrote: >> >> OK, let's get back to this. This subthread is blocking us from writing >> a proposal for this project, so we should resolve it soon. >> >> There is one very important performance factor that I can't figure out >> how to me

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-03-06 Thread Tariq Elahi
On 05-Mar-14 5:19 PM, George Kadianakis wrote: OK, let's get back to this. This subthread is blocking us from writing a proposal for this project, so we should resolve it soon. There is one very important performance factor that I can't figure out how to measure well, and that's the impact on t

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-03-05 Thread George Kadianakis
Nicholas Hopper writes: > On Tue, Feb 25, 2014 at 5:04 PM, Nicholas Hopper wrote: >> Another thought: we also should investigate how various thresholds >> affect the relationship between the cumulative guard weight total and >> the total exit weight. > > Well, that turns out not to be a real iss

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-02-27 Thread George Kadianakis
Tariq Elahi writes: > Hey George, > Glad to see that guard questions are still being asked. > Some thoughts from your plots. > > On 24-Feb-14 9:06 PM, George Kadianakis wrote: >> >> And because release-early-release-often, here is a graph: >> https://people.torproject.org/~asn/guards/guard_boxp

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-02-26 Thread George Kadianakis
Nicholas Hopper writes: > On Tue, Feb 25, 2014 at 5:04 PM, Nicholas Hopper wrote: >> Another thought: we also should investigate how various thresholds >> affect the relationship between the cumulative guard weight total and >> the total exit weight. > > Well, that turns out not to be a real iss

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-02-25 Thread Nicholas Hopper
On Tue, Feb 25, 2014 at 5:04 PM, Nicholas Hopper wrote: > Another thought: we also should investigate how various thresholds > affect the relationship between the cumulative guard weight total and > the total exit weight. Well, that turns out not to be a real issue: even if we set the guard thres

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-02-25 Thread Nicholas Hopper
On Mon, Feb 24, 2014 at 1:10 PM, George Kadianakis wrote: > For example, I'm not sure if I'm using the correct bandwidth > values. I'm currently using the value in 'w' lines of the consensus > ('w Bandwidth=479'). I used to think that this is a unitless number, > but looking at dir-spec.t

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-02-25 Thread Phill Whiteside
Hi, I'm trying to follow this, so perhaps if someone could explain a little bit to me metrics reports. valid-after 2014-02-25 00:00:00 r phillw tNrlqRlQkVqUXVGLWFYhQeYBYI0 pR9ddClTA2Eo6AI989NA3BGXNs4

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-02-24 Thread Tariq Elahi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hey George, Glad to see that guard questions are still being asked. Some thoughts from your plots. On 24-Feb-14 9:06 PM, George Kadianakis wrote: > > And because release-early-release-often, here is a graph: > https://people.torproject.org/~asn/guar

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-02-24 Thread George Kadianakis
Ian Goldberg writes: > On Tue, Feb 25, 2014 at 02:06:39AM +, George Kadianakis wrote: >> And because release-early-release-often, here is a graph: >> https://people.torproject.org/~asn/guards/guard_boxplot_4000.png >> >> The middle boxplot is the probability distribution of our current >> gu

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-02-24 Thread Ian Goldberg
On Tue, Feb 25, 2014 at 02:06:39AM +, George Kadianakis wrote: > And because release-early-release-often, here is a graph: > https://people.torproject.org/~asn/guards/guard_boxplot_4000.png > > The middle boxplot is the probability distribution of our current > guard selection process (e.g. th

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-02-24 Thread George Kadianakis
George Kadianakis writes: > George Kadianakis writes: > >> A main theme in the recent Tor development meeting was guard node >> security as discussed in Roger's blog post and in Tariq's et al. paper [0]. >> >> Over the course of the meeting we discussed various guard-related >> subjects. Here ar

Re: [tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-02-24 Thread George Kadianakis
George Kadianakis writes: > A main theme in the recent Tor development meeting was guard node > security as discussed in Roger's blog post and in Tariq's et al. paper [0]. > > Over the course of the meeting we discussed various guard-related > subjects. Here are some of them: > > a) Reducing the

[tor-dev] Guard node security: ways forward (An update from the dev meeting)

2014-02-24 Thread George Kadianakis
A main theme in the recent Tor development meeting was guard node security as discussed in Roger's blog post and in Tariq's et al. paper [0]. Over the course of the meeting we discussed various guard-related subjects. Here are some of them: a) Reducing the number of guards to 1 or 2 (#9273). b)