On 12/18/2017 11:10 PM, teor wrote: > The number of active connections that can be NATed per IP address is > limited by the number of ports: 65535. (Technically, it's 65535 per > remote IP address and port, but most NATs don't have that much RAM > or bandwidth.) > > Also, genuine users behind a NAT would likely have multiple Tor and > non-Tor connections open. And spare ports are needed for NAT to manage > port churn and the TCP delay wait state on connection close. > > To be more precise: > * if all 65535 connections on an IP were open to the Tor network, and > * the biggest Tor Guard has 0.91% Guard probability[0], then > * it would expect to see 597 connections. good example, Thx teor ! -- Toralf PGP C4EACDDE 0076E94E
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