High tunnel timeout in haproxy may leave connections in FIN_WAIT

Bug #1862684 reported by Radosław Piliszek
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
kolla-ansible
Triaged
Medium
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Rocky
Triaged
Medium
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Stein
Triaged
Medium
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Train
Triaged
Medium
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Ussuri
Triaged
Medium
Unassigned

Bug Description

Re: https://cbonte.github.io/haproxy-dconv/1.5/configuration.html

"""
Since [tunnel] timeout is usually used in conjunction with long-lived connections,
it usually is a good idea to also set "timeout client-fin" to handle the
situation where a client suddenly disappears from the net and does not
acknowledge a close, or sends a shutdown and does not acknowledge pending
data anymore. This can happen in lossy networks where firewalls are present,
and is detected by the presence of large amounts of sessions in a FIN_WAIT
state.
"""

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