Re: [tor-relays] DoS statistics from EA4366BCDCA6167B8CFF70E41D8CD1EE9968E445

[Matt Traudt <pastly@xxxxxxxxxxxxxx>]

On 3/15/18 23:38, Toralf Förster wrote:
> On 03/15/2018 10:02 PM, robink wrote:
>> Mar 15 19:03:52.000 [warn] eventdns: All nameservers have failed
>> Mar 15 19:03:52.000 [notice] eventdns: Nameserver 8.8.4.4:53 is back up
>> Mar 15 19:04:01.000 [warn] eventdns: All nameservers have failed
>> Mar 15 19:04:01.000 [notice] eventdns: Nameserver 8.8.8.8:53 is back up
>> Mar 15 19:04:08.000 [warn] eventdns: All nameservers have failed
>> Mar 15 19:04:09.000 [notice] eventdns: Nameserver 8.8.8.8:53 is back up
>> Mar 15 19:04:10.000 [warn] eventdns: All nameservers have failed
>> Mar 15 19:04:10.000 [notice] eventdns: Nameserver 8.8.4.4:53 is back up
>> Mar 15 19:04:16.000 [warn] eventdns: All nameservers have failed
>> Mar 15 19:04:16.000 [notice] eventdns: Nameserver 8.8.8.8:53 is back up
>> Mar 15 19:04:35.000 [warn] eventdns: All nameservers have failed
>> Mar 15 19:04:35.000 [notice] eventdns: Nameserver 8.8.8.8:53 is back up
> 
> Interesting, with nyx I can see similar messages here using dnsmasq as a DNS cache.
> 

Not that anyone was doing so, but I would not immediately assume that
these nameserver warns/notices are at all related to the DoS (that now
seems to be over). I've seen those on my fast relays for ... ever (the
last year).

Matt
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