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Update manpage for new PathBias torrc options.
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@ -1173,28 +1173,37 @@ The following options are useful only for clients (that is, if
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**PathBiasNoticeRate** __NUM__ +
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**PathBiasDisableRate** __NUM__ +
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**PathBiasWarnRate** __NUM__ +
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**PathBiasExtremeRate** __NUM__ +
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**PathBiasDropGuards** __NUM__ +
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**PathBiasScaleThreshold** __NUM__ +
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**PathBiasMultFactor** __NUM__ +
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**PathBiasScaleFactor** __NUM__::
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These options override the default behavior of Tor's (**currently
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experimental**) path bias detection algorithm. To try to find broken or
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misbehaving guard nodes, Tor looks for nodes where more than a certain
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fraction of circuits through that node fail after the first hop. The
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PathBiasCircThreshold option controls how many circuits we need to build
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through a guard before we make these checks. The PathBiasNoticeRate and
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PathBiasDisableRate options control what fraction of circuits must
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succeed through a guard so we won't warn about it or disable it,
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respectively. When we have seen more than PathBiasScaleThreshold
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circuits through a guard, we divide our observations by
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PathBiasScaleFactor, so that new observations don't get swamped by old
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ones. +
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through a guard before we make these checks. The PathBiasNoticeRate,
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PathBiasWarnRate and PathBiasExtremeRate options control what fraction of
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circuits must succeed through a guard so we won't write log messages.
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If less than PathBiasExtremeRate circuits succeed *and* PathBiasDropGuards
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is set to 1, we disable use of that guard. +
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+
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When we have seen more than PathBiasScaleThreshold
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circuits through a guard, we scale our observations by
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PathBiasMultFactor/PathBiasScaleFactor, so that new observations don't get
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swamped by old ones. +
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+
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By default, or if a negative value is provided for one of these options,
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Tor uses reasonable defaults from the networkstatus consensus document.
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If no defaults are available there, these options default to 20, .70,
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0.0, 200, and 4 respectively.
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If no defaults are available there, these options default to 150, .70,
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.50, .30, 0, 300, 1, and 2 respectively.
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**ClientUseIPv6** **0**|**1**::
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If this option is set to 1, Tor might connect to entry nodes over
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