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Clarify net.inet.ip.allow_net240 and allow_net0
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Authored by emaste on Dec 30 2024, 9:47 PM.
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Details

Summary
The stack has never limited use of addresses in these ranges as an
endpoint.  The relatively recent sysctls control only forwarding of,
and ICMP response to, these addresses.

Fixes: efe58855f3ea ("IPv4: experimental changes to allow net 0/8, 240/4, part of 127/8")

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rG FreeBSD src repository
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