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-rw-r--r--src/or/circpathbias.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/or/circpathbias.c b/src/or/circpathbias.c
index 9f93e737f7..6ee69aac1e 100644
--- a/src/or/circpathbias.c
+++ b/src/or/circpathbias.c
@@ -11,6 +11,14 @@
* different tor nodes, in an attempt to detect attacks where
* an attacker deliberately causes circuits to fail until the client
* choses a path they like.
+ *
+ * This code is currently configured in a warning-only mode, though false
+ * positives appear to be rare in practice. There is also support for
+ * disabling really bad guards, but it's quite experimental and may have bad
+ * anonymity effects.
+ *
+ * The information here is associated with the entry_guard_t object for
+ * each guard, and stored persistently in the state file.
*/
#include "or.h"