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-rw-r--r--login-utils/login.19
1 files changed, 8 insertions, 1 deletions
diff --git a/login-utils/login.1 b/login-utils/login.1
index ca7c4b3a4..948177c81 100644
--- a/login-utils/login.1
+++ b/login-utils/login.1
@@ -182,7 +182,14 @@ Indicate if login is allowed if we can\'t cd to the home directory. If set to
\fIyes\fR, the user will login in the root (/) directory if it is not possible
to cd to her home directory. The default value is 'yes'.
.RE
-
+.PP
+\fBLOG_UNKFAIL_ENAB\fR (boolean)
+.RS 4
+Enable display of unknown usernames when login failures are recorded\&.
+.sp
+Note that logging unknown usernames may be a security issue if an user enter
+her password instead of her login name.
+.RE
.SH FILES
.nf
.I /var/run/utmp