Hi,

thanks for Your reply.

I thought about it, the best solution for me will be to change Bandwith settings during working hours using crontab.

I will prepare two separate configuration files with different Bandwidth settings and using it, two times per day cronjob will increase/decrease bandwith for TOR. This should be the best solution in that case.

ok , if I will replace configuration file with the new settings, do I need to reload or restart my tor node ? I do not want to loose my active connections. How to do it properly ?

Cheers

Zalezny

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On Sun, Jun 11, 2017 at 7:55 AM, Paul M Furley paul@paulfurley.com wrote:

Hi Zalezny,

On 11/06/17 15:29, Zalezny Niezalezny wrote:

...

Hi,

I have 100mbit Up/Down connection at home. Most of the day, my connection is not use. Mostly between 22:00-17:00.

I would like to share my Internet connection for Tor. If I will setup some crontabs to start/stop my tor relay between that hours, will it work ? Does it make sense ? Will TOR network know that my relay is working only between 22:00 and 17:00 and will push some more traffic to

me ?

...

How to properly configure such a relay which is working only for a few hours per day ?

Rather than starting & killing Tor with crontabs, I think you can use AccountingStart and AccountingMax config settings to achieve this.

https://www.torproject.org/docs/tor-manual-dev.html.en

That way you can get Tor to *start* at the right time (with AccountingStart) - the only issue I can see is getting it to stop at the right time.

AccountingMax will stop Tor when the number of *bytes* has been reached, so if your line was being used flat out, this would be easy to calculate based on the your line's data rate.

You might need to have a play with a low AccountingMax setting and see what happens. When you first launch a relay it won't get much traffic but it will gradually increase over the coming weeks.

Cheers,

Paul

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On Sun, 11 Jun 2017 09:00:48 -0700 Zalezny Niezalezny zalezny.niezalezny@gmail.com wrote:

I thought about it, the best solution for me will be to change Bandwith settings during working hours using crontab.

I will prepare two separate configuration files with different Bandwidth settings and using it, two times per day cronjob will increase/decrease bandwith for TOR. This should be the best solution in that case.

ok , if I will replace configuration file with the new settings, do I need to reload or restart my tor node ? I do not want to loose my active connections. How to do it properly ?

Yes this can work. A tor reload is enough to apply the new bandwidth settings.

Not sure how fast you will ramp up during the night though (if at all), e.g. if the bandwidth authorities measure your relay during the day and get a very low number.

On Sun, Jun 11, 2017 at 09:00:48AM -0700, Zalezny Niezalezny wrote:

ok , if I will replace configuration file with the new settings, do I need to reload or restart my tor node ? I do not want to loose my active connections. How to do it properly ?

Tor has a control port that can be used to change configuration on-the-fly. And there's a library to talk to it in Python called Stem. (https://stem.torproject.org/) With Stem, you'd do something like this:

from stem.control import Controller

with Controller.from_port(port = 9051) as controller: controller.authenticate() controller.set_options({ "BandwidthRate": "1073741824", "BandwidthBurst": "1073741824", "MaxAdvertisedBandwidth": "1073741824", })