There’s another question about MyFamily on the forum, sometimes your doubts are already solved, look for those first.
- If you read the torrc config file you’ll see that there’s the option to set up MyFamily, this is a security setting. Let’s say you are running 3 different relays, in order to protect privacy you’ll have to configure it. This will tell tor which relays are yours, so next time a user builds a circuit in order to navigate with the tor browser, there is no chance that the circuit will be composed by more than one of your relays. This way, you’ll participate on the user’s circuit with just one of your relays, and not more. If the same user controls more than one relay in the circuit, de-anonymization can occur.
You can read the FAQ dedicated for relay operators here.
If you are interested in running more than a relay inside the same network, read this.
Also, according to torrc about MyFamily, do NOT include your bridge inside your relay’s family.
However, you should never include a bridge’s fingerprint here, as it would break its concealability and potentionally reveal its IP/TCP address.
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The security risk is not for the server, but for your clients using the bridge. I just don’t really see the point on creating a private bridge, maybe someone with more knowledge on this can get us out of doubt.
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Not really, this depends on your needs. When I say they will use the same resources it’s not just the NIC capacity to handle traffic load but also CPU and RAM to proccess all of that.