A computer science department has a large collection of UNIX machines on its local network. Users on
Question:
rexec machine4 who
and have the command executed on machine4, without having the user log in on the remote machine. This feature is implemented by having the user's kernel send the command and his UID to the remote machine. Is this scheme secure if the kernels are all trustworthy? What if some of the machines are students' personal computers, with no protection?
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If all the machines can be trusted it works OK If some cannot be trusted ...View the full answer
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