Re: filling a network with Tor traffic

2010-03-12 Thread Gregory Maxwell
On Fri, Mar 12, 2010 at 6:24 AM, Eugen Leitl  wrote:
> On Thu, Mar 11, 2010 at 01:39:26PM -0500, Andrew Lewman wrote:
>> On Thu, 11 Mar 2010 17:38:25 +0100, Eugen Leitl  wrote:
>> :Any suggestions for making Tor filling up 2-3 /24 networks,
>> :so that it doesn't break anything for the users?
>>
>>
>> Do you mean traffic from every IP in a 2-3 /24's?  Run a few VMs, set
>
> Yes.
>
>> the Family option, and let lots of traffic flow.
>
> I do not currently have the resources for 700+ VMs with a Tor
> instance each. I can can fire up some 10, and rotate them
> through the address space. What is the minimum useful time
> for a Tor node? Hours, days? I don't want to hurt the Tor
> network through pointless churn through address space but to help it.

Why bother with the VMs?


Bind all IPs to the host. Start up 700 instances of tor, each bound to
a separate IP.  Bind them do a variety of ports if you like.

If you have a lot of ram, this should work. :)
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Re: filling a network with Tor traffic

2010-03-12 Thread andrew
On Fri, Mar 12, 2010 at 12:24:33PM +0100, eu...@leitl.org wrote 3.8K bytes in 
49 lines about:
: I've received below suggestion. Does it make sense/
: will it break anything with Tor?

Only one way to find out, try it.  If one user can break the entire tor
network this easily, we're in deeper trouble than we realize.  At worst,
you'll be like the 149.9.x.x servers that were misconfigured and
re-routed all traffic out of one IP address (and freaked out a lot of
people in the process).  

-- 
Andrew Lewman
The Tor Project
pgp 0x31B0974B

Website: https://www.torproject.org/
Blog: https://blog.torproject.org/
Identi.ca: torproject
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Re: filling a network with Tor traffic

2010-03-12 Thread Eugen Leitl
On Thu, Mar 11, 2010 at 01:39:26PM -0500, Andrew Lewman wrote:
> On Thu, 11 Mar 2010 17:38:25 +0100, Eugen Leitl  wrote:
> :Any suggestions for making Tor filling up 2-3 /24 networks,
> :so that it doesn't break anything for the users? 
> 
> 
> Do you mean traffic from every IP in a 2-3 /24's?  Run a few VMs, set

Yes.

> the Family option, and let lots of traffic flow.

I do not currently have the resources for 700+ VMs with a Tor
instance each. I can can fire up some 10, and rotate them
through the address space. What is the minimum useful time
for a Tor node? Hours, days? I don't want to hurt the Tor
network through pointless churn through address space but to help it.

I've received below suggestion. Does it make sense/
will it break anything with Tor?

From: Greg Hennessy 
Date: Thu, 11 Mar 2010 
18:35:49 +  
 
To: "discuss...@pfsense.com"

Subject: RE: [pfSense-discussion] filling network with meaningful traffic   

>From discussion-return-3659-eugen=leitl@pfsense.com  Thu Mar 11 19:36:00 
>2010   
Reply-To: discuss...@pfsense.com



Tor will bind to one inside address hung on a firewall leg. Portforward ingress 
traffic hitting the entire public range to the inside   
+ToR host and pool nat egress traffic.  



http://forum.pfsense.org/index.php/topic,8929.0.html

http://www.openbsd.org/faq/pf/pools.html







No guarantee that it'll work. But it should generate traffic over the entire 
assigned block.






Greg

-- 
Eugen* Leitl http://leitl.org";>leitl http://leitl.org
__
ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org
8B29F6BE: 099D 78BA 2FD3 B014 B08A  7779 75B0 2443 8B29 F6BE
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Re: filling a network with Tor traffic

2010-03-11 Thread Andrew Lewman
On Thu, 11 Mar 2010 17:38:25 +0100, Eugen Leitl  wrote:
:Any suggestions for making Tor filling up 2-3 /24 networks,
:so that it doesn't break anything for the users? 


Do you mean traffic from every IP in a 2-3 /24's?  Run a few VMs, set
the Family option, and let lots of traffic flow.

-- 
Andrew Lewman
The Tor Project
pgp 0x31B0974B

Website: https://www.torproject.org/
Blog: https://blog.torproject.org/
Identi.ca: torproject
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filling a network with Tor traffic

2010-03-11 Thread Eugen Leitl

I have a somewhat strange requirement of having to fill up
a couple networks with traffic quickly (within a month or
so). I'd like to make that traffic to be meaningful, so 
naturally Tor comes to mind.

Any suggestions for making Tor filling up 2-3 /24 networks,
so that it doesn't break anything for the users? Unfortunately,
at this time I can't throw more than a couple TByte traffic
on this.

-- 
Eugen* Leitl http://leitl.org";>leitl http://leitl.org
__
ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org
8B29F6BE: 099D 78BA 2FD3 B014 B08A  7779 75B0 2443 8B29 F6BE
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