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Re: [tor-relays] DOS Protection mini RFC



If there is DoS on bridges on domestic connections, or connections with very low throughput, then handling (D)DoS at an application layer becomes futile - it will simply overload the NIC.

But for bridges on at least 100MbE ports, this would be a nice addition.

On Sunday, August 11th, 2024 at 9:20 PM, pasture_clubbed242--- via tor-relays <tor-relays@xxxxxxxxxxxxxxxxxxxx> wrote:

> Since it is still all fresh in our heads, I wanted to pitch an idea real fast. No idea if it was covered at a tor meeting at some point.
> 

> For bridge relay operators, such as those with very low bandwidth, it may be worth it to keep lower-than-consensus-restrictions using the DOS flags here https://2019.www.torproject.org/docs/tor-manual.html.en#DoSCircuitCreationEnabled -- but this might be higher maintenance though, as keeping up to date with consensus params may be needed often.
> 

> Does it seem worth it or necessary to have a multiplier variable? Like bridges with low bandwidth can set, for example,
> 

> DoSConsensusMultiplier 0.75
> 

> In order to lower all or select values by 75%, rounding up to the nearest whole number or the configured floor value ( perhaps DoSConsensusMultiplierFloor 2 ...?).
> 

> 

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