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Closed (moved)
Opened by cypherpunks@cypherpunks

tor returns first 4 bytes of IPv6 address only when using SOCKS command "F0"

Context:

Tor has a custom extension to the SOCKS protocol, defined in: https://gitweb.torproject.org/torspec.git/tree/socks-extensions.txt#n48

that allows resolving hostnames.

exitmap makes use of this SOCKS extension.

When the answer is an IPv6 address (ATYP=04) only the first 4 bytes are contained in the response instead of the entire IPv6 address.

Expected behavior: The entire IPv6 address should be in the response (128 bit instead of 32 bit).

https://lists.torproject.org/pipermail/tor-dev/2019-July/013931.html

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