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udp: fix local blackholing
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Authored by tuexen on Jun 13 2025, 6:59 AM.

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Subscribers

imp

melifaro

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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Repository

rG FreeBSD src repository

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Event Timeline

tuexen created this revision.Jun 13 2025, 6:59 AM

Herald added subscribers: melifaro, ae, imp. · View Herald TranscriptJun 13 2025, 6:59 AM

tuexen requested review of this revision.Jun 13 2025, 6:59 AM

cc accepted this revision.Jun 13 2025, 1:01 PM

This revision is now accepted and ready to land.Jun 13 2025, 1:01 PM

Closed by commit rG16587f60a698: udp: fix local blackholing (authored by tuexen). · Explain WhyJun 13 2025, 9:00 PM

This revision was automatically updated to reflect the committed changes.

tuexen added a commit: rG16587f60a698: udp: fix local blackholing.

tuexen added a commit: rG5bfaf4a161da: udp: fix local blackholing.Sep 4 2025, 8:04 PM

Revision Contents
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sys/

netinet6/

udp6_usrreq.c

2 lines

Diff 157009

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sys/netinet6/udp6_usrreq.c

udp: fix local blackholingClosedPublicActions