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-rw-r--r--docs/ref/settings.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/docs/ref/settings.txt b/docs/ref/settings.txt
index fe103162ef..94b8bbcb94 100644
--- a/docs/ref/settings.txt
+++ b/docs/ref/settings.txt
@@ -2885,6 +2885,16 @@ The minimum number of seconds a password reset link is valid for.
Used by the :class:`~django.contrib.auth.views.PasswordResetConfirmView`.
+.. note::
+
+ Reducing the value of this timeout doesn't make difference to the ability of
+ an attacker to brute-force a password reset token. Tokens are designed to be
+ safe from brute-forcing without any timeout.
+
+ This timeout exists to protect against some unlikely attack scenarios, such
+ as someone gaining access to email archives that may contain old, unused
+ password reset tokens.
+
.. setting:: PASSWORD_RESET_TIMEOUT_DAYS
``PASSWORD_RESET_TIMEOUT_DAYS``