[tor-relays] Attack or issue? 4 / 11 M of traffic

[teor]

> On 30 Jan 2018, at 19:10, Stijn Jonker <sjcjonker at sjc.nl> wrote:
> 
> Hi All,
> 
> Since around midnight CET, my relay who was happily running almost the same amount of traffic in and outbound, has dropped to 4 Meg in, 11 Meg out according to SNMP on the host. (Cap: 10M/peak 12.5M).
> 
> Lots of messages like:
> - Channel padding timeout scheduled 304317ms in the past.
> - Your computer is too slow to handle this many circuit creation requests! Please consider using the MaxAdvertisedBandwidth config option or choosing a more restricted exit policy. [45685 similar message(s) suppressed in last 60 seconds]
> 
> Any suggestions what to check / verify for this?
> 328E54981C6DDD7D89B89E418724A4A7881E3192
> 

At the moment, there are extra clients on the network adding some load.

For details and mitigations, see:
https://lists.torproject.org/pipermail/tor-relays/2018-January/014328.html
https://lists.torproject.org/pipermail/tor-relays/2018-January/014100.html

T
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