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Looking for help understanding the following line from the rend-spec:

 754    To open TCP connections to Bob's location-hidden service, Alice's OP sends
 755    a RELAY_COMMAND_BEGIN cell along the established circuit, using the special
 756    address "", and a chosen port.

what is the special address and the port ? Is "" actually the special address, and I asume the port is the Hsdir port for bob or the rp ?

Roya
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user2962401
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2 Answers2

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I guess this special address is the .onion address, which is the hash of public key of Bob.

saurav
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<guesses>
I think that the address may be "" because you've already got a circuit to the hidden service's server. Therefore the address "" is taken to mean the local server.

I think the port is the port of the hidden service you're trying to connect to (probably 80).
</guesses>