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@@ -1096,6 +1096,34 @@ The following options are useful only for clients (that is, if
"auto" (recommended) then it is on for all clients that do not set
FetchUselessDescriptors. (Default: auto)
+**PathBiasCircTheshold** __NUM__ +
+
+**PathBiasNoticeRate** __NUM.__ +
+
+**PathBiasDisableRate** __NUM__ +
+
+**PathBiasScaleThreshold** __NUM__ +
+
+**PathBiasScaleFactor** __NUM__::
+ These options override the default behavior of Tor's (**currently
+ experimental**) path bias detection algorithm. To try to find broken or
+ misbehaving guard nodes, Tor looks for nodes where more than a certain
+ fraction of circuits through that node fail after the first hop. The
+ PathBiasCircThreshold option controls how many circuits we need to build
+ through a guard before we make these checks. The PathBiasNoticeRate and
+ PathBiasDisableRate options control what fraction of circuits must
+ succeed through a guard before we will warn about it or disable it,
+ respectively. When we have seen more than PathBiasScaleThreshold
+ circuits through a guard, we divide our observations by
+ 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,
+ Tor uses reasonable defaults from the networkstatus consensus document.
+ If no defaults are available there, these options default to 20, .70,
+ .50, 200, and 4 respectively.
+
+
SERVER OPTIONS
--------------