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https://issues.apache.org/jira/browse/TS-2520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14746487#comment-14746487
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Bryan Call commented on TS-2520:
--------------------------------
For Linux servers you will need to turn on tcp fastopen for incoming connection:
{code}
sudo sysctl -w net.ipv4.tcp_fastopen=3
{code}
> Add TCP fastopen support for incoming TCP connections
> -----------------------------------------------------
>
> Key: TS-2520
> URL: https://issues.apache.org/jira/browse/TS-2520
> Project: Traffic Server
> Issue Type: New Feature
> Components: Network
> Reporter: Alex Sandro Garzão
> Assignee: Bryan Call
> Priority: Minor
> Labels: yahoo
> Fix For: 6.1.0
>
>
> TFO (TCP Fast Open) can be enabled on all listen sockets in the kernel.
> Nevertheless, I would like that only ATS try using TFO.
> One possibility is a configuration variable that informs ATS to set
> TCP_FASTOPEN.
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