Let's say that permissions for
group are set up correctly on a directory. Would a 0 permission for
other on that directory provide effective access control for the directory's files and subdirectories? Are there gotchas to consider?
When you create files that are
rw to other people (like with Unix Domain Sockets) people think of it as a security issue, since there's a race condition that a malicious user can exploit before proper permissions are applied to a file. That's why I'm looking for an "atomic" way of doing basic permissioning.