Sniffing with Net::Cap to stealthily managing iptables rules remotely, Part 1

In our saga that began several weeks ago, we're trying to create a firewall setup that allows no inbound access by default that can be modified remotely to allow a small window of inbound SSH connectivity. Remember that this machine must have no inbound TCP ports accessible to pass muster with the Windows-biased IT administrators, yet we want to allow inbound SSH dynamically when needed.[1]

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A few concepts in Perl 6 are strange at first sight. They seem hard to understand, but it's only because they're new and different. They aren't deep mystical concepts known only to Tibetan lamas. Anyone can understand them, but it helps to start with a common-sense explanation.

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