[tor-relays] Botnet issues and upgrading to 0.2.4.x

[Chris Whittleston]

Do you think it might help to restart tor every 24 hours or so using cron
Dan - or would that adversely affect the network too much/not actually help?
On 14 Oct 2013 22:32, "Dan Staples" <danstaples at disman.tl> wrote:

> In my experience, setting the bandwidth advertising options does
> nothing to stop the "storms" of circuit creation requests. It *will*
> affect the *average* bandwidth used by your relay, but every once in a
> while, I'll still get circuit-creation storms that completely overwhelm
> my RPi and knock it offline (I'm talking continuous 3Mbps bandwidth use
> for several hours when MaxAdvertisedBandwidth is 200 kbps). It seems
> from past discussions on the mailing list, this is still an unresolved
> issue.
>
> On Mon 14 Oct 2013 04:43:50 PM EDT, Chris Whittleston wrote:
> > Thanks Logforme - yeah I was trying that before I sent the first email
> > in this chain, but maybe I didn't go low enough with the advertised
> > bandwidth. When the 0.2.4 compilation is done (it's still chugging
> > along) I'll try going lower and see if it helps.
> >
> > Chris
> >
> >
> > On 14 October 2013 21:38, Logforme <m7527 at abc.se
> > <mailto:m7527 at abc.se>> wrote:
> >
> >     On 2013-10-14 22:01, Chris Whittleston wrote:
> >     > I see - so I'll probably still see the problem with a huge number
> of
> >     > circuits being created after I've finished building 0.2.4. Is there
> >     > any way to limit this, I'm guessing reducing the bandwidth wouldn't
> >     > actually help? I guess I'll look into how much further I can
> >     overclock
> >     > the CPU...
> >     Only option that I know of is to reduce the bandwidth you advertise
> to
> >     the network. The more bandwidth you advertise the more circuits
> >     the tor
> >     network will throw at your relay. The following flags in the torrc
> >     file
> >     can be used (with my current understanding of them):
> >     BandwidthRate : The max bandwidth you provide over a long period
> >     of time
> >     BandwidthBurst : The max bandwidth you provide over a short period
> >     of time
> >     MaxAdvertisedBandwidth : The max bandwidth you tell the tor
> >     network about
> >     So you can set BandwidthRate to the real max you want to provide and
> >     then set MaxAdvertisedBandwidth to a number low enough to prevent
> >     circuit overload.
> >
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> >
> >
> >
> >
> > --
> > *Dr Chris Whittleston 栗主*
> > Department of Chemistry
> > University of Cambridge
> > Lensfield Road, Cambridge, CB2 1EW
> > Email: csw34 at cam.ac.uk <mailto:csw34 at cam.ac.uk>
> > Tel: +44 (0)1223 336423
> >
> >
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