"I work at a company where some Web proxy servers are required
to comply with externally-defined security standards. Specifically,
these systems aren't allowed to initiate network connections from
the DMZ towards the inside. Now, strictly speaking, this isn't
entirely true. These systems do access systems on the inside, but
only systems explicitly germane to the applications they
"From a security perspective, this is a Good Thing. But for the
administrators of these systems, it presents a bit of quandary. We
need a mechanism to install security updates and other software on
these boxes from time to time..."
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