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Differential D24219

Allow TCP backhole detection to be enabled per protocol
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Authored by tuexen on Mar 29 2020, 10:41 PM.
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jtl
rrs
rscheff
bz
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manpages
transport
Commits
rS359487: Allow the TCP backhole detection to be disabled at all, enabled only
Summary

Allow the TCP blackhole detection to be enabled for only for IPv4, only for IPv6, and for IPv4 and IPv6.
The current blackhole detection might classify a temporary outage as an MTU issue and reduces permanently the MSS.
Since the consequences of such a reduction due to a misclassification are much more drastically for IPv4 than for IPv6, let the administrator enable it for IPv6 only.

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Repository
rS FreeBSD src repository - subversion
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Build Status
Buildable 30170

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PathSize
share/
man/
man4/
24 lines
sys/
netinet/
14 lines

Diff 69984

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share/man/man4/tcp.4

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sys/netinet/tcp_timer.c

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