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-rw-r--r--tor-spec.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/tor-spec.txt b/tor-spec.txt
index dce264f..d7b2c53 100644
--- a/tor-spec.txt
+++ b/tor-spec.txt
@@ -892,7 +892,8 @@ see tor-design.pdf.
The timestamp is a big-endian unsigned integer number of seconds
since the Unix epoch. Implementations MUST ignore unexpected bytes
- at the end of the cell.
+ at the end of the cell. Clients SHOULD send "0" as their timestamp, to
+ avoid fingerprinting.
Implementations MAY use the timestamp value to help decide if their
clocks are skewed. Initiators MAY use "other OR's address" to help