Re: [tor-dev] Potential projects for SponsorR (Hidden Services)

2014-11-15 Thread Christopher Baines
On 29/10/14 13:01, George Kadianakis wrote: > Christopher Baines writes: > >> On 20/10/14 14:37, George Kadianakis wrote: >>> f) On a more researchy tone, this might also be a good point to start >>>poking at the HS scalability project since it will reall

Re: [tor-dev] Potential projects for SponsorR (Hidden Services)

2014-10-23 Thread Christopher Baines
On 20/10/14 14:37, George Kadianakis wrote: > f) On a more researchy tone, this might also be a good point to start >poking at the HS scalability project since it will really affect HS >performance. > >We should look at Christopher Baines' ideas and write a Tor

Re: [tor-dev] On picking Introduction Points in Next Generation Hidden Services

2014-08-12 Thread Christopher Baines
t, as explained > in [tor-dev] by Christopher Baines [1]. This means that IPs would work > like this: > https://people.torproject.org/~asn/hs/ip_placement_scaling.jpg > where HS_1, HS_2 and HS_3 are the various nodes of the HS. > > This allows the IPs to launch the following a

Re: [tor-dev] Hidden Service Scaling

2014-05-09 Thread Christopher Baines
On 09/05/14 20:05, waldo wrote: > El 04/05/14 07:42, Christopher Baines escribió: >> On 04/05/14 11:43, waldo wrote: >>> El 02/05/14 02:34, Christopher Baines escribió: >>>> On 02/05/14 00:45, waldo wrote: >>>>> I am worried about an attack coming fro

Re: [tor-dev] Hidden Service Scaling

2014-05-09 Thread Christopher Baines
On 09/05/14 10:14, Michael Rogers wrote: > On 08/05/14 14:40, Christopher Baines wrote: >>> Perhaps it would make sense to pick one or more IPs per guard, >>> and change those IPs when the guard is changed? Then waldo's >>> attack by a malicious IP would only ev

Re: [tor-dev] Hidden Service Scaling

2014-05-08 Thread Christopher Baines
On 07/05/14 18:30, Michael Rogers wrote: > On 07/05/14 17:32, Christopher Baines wrote: >>> What about the attack suggested by waldo, where a malicious IP >>> repeatedly breaks the circuit until it's rebuilt through a >>> malicious middle node? Are entry guards

Re: [tor-dev] Hidden Service Scaling

2014-05-07 Thread Christopher Baines
On 07/05/14 13:51, Michael Rogers wrote: > On 06/05/14 22:17, Christopher Baines wrote: >> If so, then yes. When I implemented the deterministic selection of >> introduction points, I had to implement a reconnection mechanism >> to ensure that the introduction point would

Re: [tor-dev] Hidden Service Scaling

2014-05-06 Thread Christopher Baines
On 06/05/14 21:19, Roger Dingledine wrote: > On Tue, May 06, 2014 at 03:29:03PM +0100, Michael Rogers wrote: >> I'm interested in your work because the hidden service protocol >> doesn't seem to perform very well for hidden services running on >> mobile devices, which frequently lose network connec

Re: [tor-dev] Hidden Service Scaling

2014-05-06 Thread Christopher Baines
On 06/05/14 22:07, Christopher Baines wrote: > On 06/05/14 15:29, Michael Rogers wrote: >> I'm interested in your work because the hidden service protocol >> doesn't seem to perform very well for hidden services running on >> mobile devices, which frequently lose

Re: [tor-dev] Hidden Service Scaling

2014-05-06 Thread Christopher Baines
the behaviour from then on is unchanged, and this is where I assume the problems with loosing connectivity occur? > On 30/04/14 22:06, Christopher Baines wrote: >> - multiple connections for one service to an introduction point is >> allowed (previously, existing were closed) > > D

Re: [tor-dev] Hidden Service Scaling

2014-05-06 Thread Christopher Baines
On 06/05/14 20:13, Nicholas Hopper wrote: > On Sat, May 3, 2014 at 5:58 AM, Christopher Baines wrote: >> On 03/05/14 11:21, George Kadianakis wrote: >>>> On 08/10/13 06:52, Christopher Baines wrote: >>>> In short, I modified tor such that: >>>> - The

Re: [tor-dev] Hidden Service Scaling

2014-05-04 Thread Christopher Baines
On 04/05/14 11:43, waldo wrote: > El 02/05/14 02:34, Christopher Baines escribió: >> On 02/05/14 00:45, waldo wrote: >>> I am worried about an attack coming from evil IP based on forced >>> disconnection of the HS from the IP. I don't know if this is possible

Re: [tor-dev] Hidden Service Scaling

2014-05-03 Thread Christopher Baines
On 03/05/14 11:21, George Kadianakis wrote: > Christopher Baines writes: > >> On 08/10/13 06:52, Christopher Baines wrote: >> In short, I modified tor such that: >> - The services public key is used in the connection to introduction >> points (a return to the

Re: [tor-dev] Hidden Service Scaling

2014-05-02 Thread Christopher Baines
On 02/05/14 00:45, waldo wrote: > El 30/04/14 17:06, Christopher Baines escribió: >> On 08/10/13 06:52, Christopher Baines wrote: >>> I have been looking at doing some work on Tor as part of my degree, and >>> more specifically, looking at Hidden Services. One of the i

Re: [tor-dev] Hidden Service Scaling

2014-04-30 Thread Christopher Baines
On 08/10/13 06:52, Christopher Baines wrote: > I have been looking at doing some work on Tor as part of my degree, and > more specifically, looking at Hidden Services. One of the issues where I > believe I might be able to make some progress, is the Hidden Service > Scaling issue as de

Re: [tor-dev] Starting work on hidden services

2014-03-27 Thread Christopher Baines
On 27/03/14 22:14, Qingping Hou wrote: > On 03/27/2014 03:36 PM, Christopher Baines wrote: >> On 27/03/14 19:25, Helder Ribeiro wrote: >>> Great! Do you know what kinds of things are most useful to measure first? >>> Is it more useful at this point to: >>> 1. me

Re: [tor-dev] Starting work on hidden services

2014-03-27 Thread Christopher Baines
On 27/03/14 19:25, Helder Ribeiro wrote: > Great! Do you know what kinds of things are most useful to measure first? > Is it more useful at this point to: > 1. measure time spent on functions within a process, to see if there's > anything taking up too much time, for example, at the hidden service'

[tor-dev] Dynamic Networks in Chutney

2013-11-26 Thread Christopher Baines
I am attempting to use Chutney to test some hidden service related functionality in Tor. Specifically distributed hidden services involving more than one node. Furthermore, to extensively test aspects of this, the network needs to change. At the moment, I have just looked at nodes coming up and do

Re: [tor-dev] [Draft Proposal] Scalable Hidden Services

2013-10-28 Thread Christopher Baines
On 28/10/13 13:19, Matthew Finkel wrote: > This is a proposal I wrote to implement scalable hidden services. It's > by no means finished (there are some slight inconsistencies which I will > be correcting later today or tomorrow) but I want to make it public in > the meantime. I'm also working on s

Re: [tor-dev] Hidden Service Scaling

2013-10-13 Thread Christopher Baines
On 09/10/13 18:05, Matthew Finkel wrote: These two changes combined should help with the two goals. Reliability is improved by having multiple OP's providing the service, and having all of these accessible from the introduction points. Scalability is also improved, as you are no

Re: [tor-dev] Hidden Service Scaling

2013-10-13 Thread Christopher Baines
On 10/10/13 23:28, Paul Syverson wrote: > On Wed, Oct 09, 2013 at 03:02:47PM +0100, Christopher Baines wrote: >> On 09/10/13 11:41, Paul Syverson wrote: >>>>>> These two changes combined should help with the two goals. Reliability >>>>>> is improved

Re: [tor-dev] Hidden Service Scaling

2013-10-09 Thread Christopher Baines
On 09/10/13 11:41, Paul Syverson wrote: These two changes combined should help with the two goals. Reliability is improved by having multiple OP's providing the service, and having all of these accessible from the introduction points. Scalability is also improved, as you are not

Re: [tor-dev] Hidden Service Scaling

2013-10-09 Thread Christopher Baines
On 09/10/13 01:16, Matthew Finkel wrote: >> So, before I start trying to implement a prototype, I thought I would >> set out my ideas here to check they are reasonable (I have also been >> discussing this a bit on #tor-dev). The goal of this is two fold, to >> reduce the probability of failure of

Re: [tor-dev] Hidden Service Scaling

2013-10-08 Thread Christopher Baines
On 08/10/13 23:41, Nick Mathewson wrote: > Here are some possible desirable things. I don't know if they're all > important, or all worth it. Let's discuss! So, I think it makes more sense to cover the goals first. > Goal 1) Obscure number of hidden service instances. Good to have, as it proba

[tor-dev] Hidden Service Scaling

2013-10-07 Thread Christopher Baines
I have been looking at doing some work on Tor as part of my degree, and more specifically, looking at Hidden Services. One of the issues where I believe I might be able to make some progress, is the Hidden Service Scaling issue as described here [1]. So, before I start trying to implement a protot