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Differential D50828

tcp: fix local blackholing
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Authored by tuexen on Jun 13 2025, 6:56 AM.
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imp
melifaro

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Reviewers
glebius
cc
rscheff
peter.lei_ieee.org
lstewart
Group Reviewers
transport
Commits
rGde8fb1b38357: tcp: fix local blackholing
Summary

The sysctl-variable net.inet.tcp.blackhole_local should affect TCP segments 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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Event Timeline

tuexen created this revision.Jun 13 2025, 6:56 AM
Herald added a reviewer: transport. · View Herald TranscriptJun 13 2025, 6:56 AM
Herald added subscribers: melifaro, imp. · View Herald Transcript
tuexen requested review of this revision.Jun 13 2025, 6:56 AM
cc accepted this revision.Jun 13 2025, 12:57 PM
This revision is now accepted and ready to land.Jun 13 2025, 12:57 PM
Closed by commit rGde8fb1b38357: tcp: fix local blackholing (authored by tuexen). · Explain WhyJun 13 2025, 8:56 PM
This revision was automatically updated to reflect the committed changes.
tuexen added a commit: rGde8fb1b38357: tcp: fix local blackholing.

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sys/
netinet/
2 lines

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sys/netinet/tcp_input.c

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