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Bug 1190776 - tcp: implement tcp-ut bind option to set TCP_USER_TIMEOUT
Summary: tcp: implement tcp-ut bind option to set TCP_USER_TIMEOUT
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: haproxy
Version: 7.0
Hardware: Unspecified
OS: Unspecified
Target Milestone: rc
: 7.2
Assignee: Ryan O'Hara
QA Contact: Brandon Perkins
Depends On: 1151756 1189241
Blocks: 1175685 1190783 1194407 1198791
TreeView+ depends on / blocked
Reported: 2015-02-09 15:46 UTC by John Eckersberg
Modified: 2023-02-22 23:02 UTC (History)
2 users (show)

Fixed In Version: haproxy-1.5.4-5.el7
Doc Type: Bug Fix
Doc Text:
Previously, some clients' connections using the Virtual IP (VIP) listened for messages but did not perform any write operation, and therefore the connections still appeared active from the perspective of haproxy even after the VIP failed. This update adds the "tcp-ut" option to haproxy for setting the Transmission Control Protocol (TCP) user timeout for faster failure detection on the front end, and the applications connected to haproxy now behave as expected.
Clone Of:
: 1190783 1194407 1198791 (view as bug list)
Last Closed: 2015-11-19 12:09:21 UTC
Target Upstream Version:

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2015:2376 0 normal SHIPPED_LIVE haproxy bug fix and enhancement update 2015-11-19 10:41:33 UTC

Description John Eckersberg 2015-02-09 15:46:43 UTC
Need to grab this patch:


for faster failure detection on the frontend.  Primarily this helps in the case of VIP failover, where writes to the frontend get queued for retransmit for a very long time (tens of minutes) and the connection still appears active from haproxy's perspective.

Comment 1 Ryan O'Hara 2015-02-09 15:51:43 UTC
Patch from Willy can be found here:


Comment 10 errata-xmlrpc 2015-11-19 12:09:21 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.


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