diff -r 16cbb47ce0b9 -r 95e14b2dbc94 hws/hw04.tex --- a/hws/hw04.tex Sat Oct 18 02:17:51 2014 +0100 +++ b/hws/hw04.tex Sat Oct 18 23:07:50 2014 +0100 @@ -27,10 +27,8 @@ \item What does it mean that the program \texttt{passwd} has the \texttt{setuid} bit set? Why is this necessary? - -\item In the context of which information flow should be protected, explain briefly the -differences between the {\it read rule} of the Bell-LaPadula access -policy and the Biba access policy. Do the same for the {\it write rule}. +\item With which permissions does the program \texttt{login} +normally have and why is this needed? \item A Unix directory might look as follows: @@ -70,6 +68,9 @@ \end{tabular} \end{center} +\item In the context of which information flow should be protected, explain briefly the +differences between the {\it read rule} of the Bell-LaPadula access +policy and the Biba access policy. Do the same for the {\it write rule}. \end{enumerate}