[closeparen]

"Open" means the re-distributor can do whatever they want with it, as long as they pass along the source under the same license. Software licenses with strings attached like "you must let end-users access the iptables" are emphatically nonfree.

[joshumax]

Actually, licenses like the GPLv3 have been actively trying to prevent this in certain cases [1]

[1]: https://en.wikipedia.org/wiki/Tivoization

[jlgaddis]

Upvoting because you are absolutely 100% correct (and because I'm trying to help prevent HN from becoming more like Reddit where everyone "downvotes to oblivion" statements they don't like).