Re: [tor-relays] Very high CPU Load and low Traffic since Sunday

[Philipp Winter <phw@xxxxxxxxxxxxxx>]

On Tue, Aug 20, 2019 at 04:05:36PM +1000, teor wrote:
> On 20 Aug 2019, at 14:35, Larry Brandt <lbrandt@xxxxxxx> wrote:
> > This may be similar to my situation with my Finland exit relay [1].
> > I was finally forced to deal with kern overload that shut my cpu
> > down.  I had several thousand IP's without hashed fingerprints
> > opting to get into Tor.  A combination of hardening, banning and
> > increasing kern processing to 100,000 helped.  Since then I have a
> > Consensus Weight of 600 rather than the 8000 before the intrusion.
> > Strange thing:  ufw banning and reboot does not seem to stop a few
> > of the Iranian IP addresses--they're still there.
> 
> We think this is a result of Iranian censorship, I think the anti-censorship
> team are working on the issue. I've cc'd Philipp for more info.

This is the first time I heard about this issue.  I'll bring this up
during Thursday's anti-censorship meeting.

Cheers,
Philipp
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