[tor-relays] Re: Circuit-building DoS wave: 20x peak, 8x sustained circuits on guard relays since Jun 25

On 23/07/2026 07:24, Tor at 1AEO via tor-relays wrote:

Seeing good success limiting memory growth by setting DosCircuitCreationBurst 20 instead of network default of 60 to handle the current idle circuit connection flow. But best is to not let them in.

I do block here connection attempts from 130 ipv6 /64 and 1500 IPv4 systems which are accountable for the majority of pain related to CPU, OOM and Tor DDoS/circuit protocol violations etc. -- Toralf