Differential D48262

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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rG48ef7ed72a02: Clarify net.inet.ip.allow_net240 and allow_net0

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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Event Timeline

emaste created this revision.Dec 30 2024, 9:47 PM

Herald added subscribers: glebius, melifaro. · View Herald TranscriptDec 30 2024, 9:47 PM

emaste requested review of this revision.Dec 30 2024, 9:47 PM

emaste mentioned this in D47512: ipv4: allow use of 240/4 by default.Dec 30 2024, 9:50 PM

bz accepted this revision as: bz.Dec 31 2024, 6:55 AM

This revision is now accepted and ready to land.Dec 31 2024, 6:55 AM

Closed by commit rG48ef7ed72a02: Clarify net.inet.ip.allow_net240 and allow_net0 (authored by emaste). · Explain WhyDec 31 2024, 2:48 PM

This revision was automatically updated to reflect the committed changes.

emaste added a commit: rG48ef7ed72a02: Clarify net.inet.ip.allow_net240 and allow_net0.

Herald added a subscriber: imp. · View Herald TranscriptDec 31 2024, 2:48 PM

Revision Contents
Changeset List

Path

Size

share/

man/

man4/

10 lines

sys/

netinet/

4 lines

Diff 148585

share/man/man4/inet.4

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sys/netinet/in.c

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