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Update manpage for new PathBias torrc options.

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Mike Perry 2012-10-31 18:50:45 -07:00
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doc/tor.1.txt
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@ -1173,28 +1173,37 @@ The following options are useful only for clients (that is, if
**PathBiasNoticeRate** __NUM__ + **PathBiasNoticeRate** __NUM__ +
**PathBiasDisableRate** __NUM__ + **PathBiasWarnRate** __NUM__ +
**PathBiasExtremeRate** __NUM__ +
**PathBiasDropGuards** __NUM__ +
**PathBiasScaleThreshold** __NUM__ + **PathBiasScaleThreshold** __NUM__ +
**PathBiasMultFactor** __NUM__ +
**PathBiasScaleFactor** __NUM__:: **PathBiasScaleFactor** __NUM__::
These options override the default behavior of Tor's (**currently These options override the default behavior of Tor's (**currently
experimental**) path bias detection algorithm. To try to find broken or experimental**) path bias detection algorithm. To try to find broken or
misbehaving guard nodes, Tor looks for nodes where more than a certain misbehaving guard nodes, Tor looks for nodes where more than a certain
fraction of circuits through that node fail after the first hop. The fraction of circuits through that node fail after the first hop. The
PathBiasCircThreshold option controls how many circuits we need to build PathBiasCircThreshold option controls how many circuits we need to build
through a guard before we make these checks. The PathBiasNoticeRate and through a guard before we make these checks. The PathBiasNoticeRate,
PathBiasDisableRate options control what fraction of circuits must PathBiasWarnRate and PathBiasExtremeRate options control what fraction of
succeed through a guard so we won't warn about it or disable it, circuits must succeed through a guard so we won't write log messages.
respectively. When we have seen more than PathBiasScaleThreshold If less than PathBiasExtremeRate circuits succeed *and* PathBiasDropGuards
circuits through a guard, we divide our observations by is set to 1, we disable use of that guard. +
PathBiasScaleFactor, so that new observations don't get swamped by old +
ones. + When we have seen more than PathBiasScaleThreshold
circuits through a guard, we scale our observations by
PathBiasMultFactor/PathBiasScaleFactor, so that new observations don't get
swamped by old ones. +
+ +
By default, or if a negative value is provided for one of these options, By default, or if a negative value is provided for one of these options,
Tor uses reasonable defaults from the networkstatus consensus document. Tor uses reasonable defaults from the networkstatus consensus document.
If no defaults are available there, these options default to 20, .70, If no defaults are available there, these options default to 150, .70,
0.0, 200, and 4 respectively. .50, .30, 0, 300, 1, and 2 respectively.
**ClientUseIPv6** **0**|**1**:: **ClientUseIPv6** **0**|**1**::
If this option is set to 1, Tor might connect to entry nodes over If this option is set to 1, Tor might connect to entry nodes over