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Differential D50829

udp: fix local blackholing
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Authored by tuexen on Jun 13 2025, 6:59 AM.
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F153112969: D50829.id157009.diff
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F152969298: D50829.diff
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Details

Reviewers
glebius
cc
rscheff
peter.lei_ieee.org
lstewart
Commits
rG5bfaf4a161da: udp: fix local blackholing
rG16587f60a698: udp: fix local blackholing
Summary

The sysctl-variable net.inet.udp.blackhole_local should affect UDP packets from an IPv6 address of the local host, not of a host on the local area network.
Thanks to cc@ for pointing me to the issue.

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rG FreeBSD src repository
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sys/
netinet6/
2 lines

Diff 157009

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sys/netinet6/udp6_usrreq.c

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