mirror of https://github.com/mkerrisk/man-pages
securetty.5: Note that the pam_securetty module also uses this file
See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=528015 This patch is a modified version of the one proposed without parts specific to Debian. Reported-by: Nicolas FRANCOIS <nicolas.francois@centraliens.net> Signed-off-by: Stéphane Aulery <saulery@free.fr> Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -29,17 +29,26 @@ securetty \- file which lists terminals from which root can log in
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.SH DESCRIPTION
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.SH DESCRIPTION
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The file
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The file
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.I /etc/securetty
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.I /etc/securetty
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is used by (some versions of)
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contains the names of terminals
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.BR login (1).
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The file contains the device names of terminal lines
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(one per line, without leading
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(one per line, without leading
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.IR /dev/ )
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.IR /dev/ )
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which are considered secure for the transmission of certain authentication
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tokens.
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.P
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It is used by (some versions of)
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.BR login (1)
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to restrict the terminals
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on which root is allowed to login.
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on which root is allowed to login.
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See
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See
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.BR login.defs (5)
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.BR login.defs (5)
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if you use the shadow suite.
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if you use the shadow suite.
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.P
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On PAM enabled systems, it is used for the same purpose by
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.BR pam_securetty (8)
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to restrict the terminals on which empty passwords are accepted.
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.SH FILES
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.SH FILES
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.I /etc/securetty
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.I /etc/securetty
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.SH SEE ALSO
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.SH SEE ALSO
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.BR login (1),
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.BR login (1),
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.BR login.defs (5)
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.BR login.defs (5),
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.BR pam_securetty (8)
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