2015-09-22 17:06:39 -04:00
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This directory has configuration files that ship with Tor. They include:
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geoip
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geoip6
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Geoip files for IPv4 and IPv6
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torrc.minimal, torrc.sample:
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generated from torrc.minimal.in and torrc.sample.in by autoconf.
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torrc.minimal.in:
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A very small torrc, suitable for installation by default in
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/etc/tor/torrc.
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We try to change torrc.minimal.in as infrequently as possible,
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since doing so makes the users of many packages have to re-build
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their torrc files.
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torrc.minimal.in-staging
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This is where we stage changes to torrc.minimal.in over time so
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that when we have a change large enough to warrant a new
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torrc.minimal.in, we can copy all the other changes over
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wholesale.
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torrc.sample.in:
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A verbose, discursive, batteries-included torrc. Suitable for
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letting people know how to set up various options, including those
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most people shouldn't mess with.
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2021-04-02 12:37:13 -04:00
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==============================
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On the geoip format:
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Our geoip files are line-oriented. Any empty line, or line starting
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with a #, is ignored.
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All other lines are composed of three comma-separated values:
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START,END,CC. For the geoip file, START and END are IPv4 addresses
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as expressed as 32-bit integers (such as 3325256709 to represent
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198.51.100.5). For the geoip6 file, START and END are IPv6
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addresses, with no brackets. In both cases CC is a two-character
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country code.
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The semantic meaning of a line START,END,CC is that all addresses
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between START and END _inclusive_ should be mapped to the country code
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CC.
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We guarantee that all entries within these files are disjoint --
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that is, there is no address that is matched by more than one
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line. We also guarantee that all entries within these files are
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sorted in numerically ascending order by address.
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Thus, one effective search algorithm here is to perform a binary
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search on all the entries in the file.
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Note that there _are_ "gaps" in these databases: not every possible
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address maps to a country code. In those cases, Tor reports the
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country as ??.
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