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https://issues.apache.org/jira/browse/TS-4398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Leif Hedstrom updated TS-4398:
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Fix Version/s: sometime
> Add support for PROXY PROTOCOL
> ------------------------------
>
> Key: TS-4398
> URL: https://issues.apache.org/jira/browse/TS-4398
> Project: Traffic Server
> Issue Type: New Feature
> Reporter: Felix Buenemann
> Fix For: sometime
>
>
> When running multiple ATS servers behind a TCP load balancer using the HTTP/2
> protocol over TLS, it should be possible to get the client IP address
> forwarded by the load balancer using the proxy protocol.
> Many popular load balancers like HAPROXY or ELB currently lack protocol
> support for HTTP/2, so a TCP proxy must be used. This means that the IP
> address cannot be forwarded via the X-Forwarded-For header as is common when
> using HTTP proxying.
> The specification for the proxy protocol can be found at:
> http://www.haproxy.org/download/1.5/doc/proxy-protocol.txt
> And additional info in this haproxy blog post:
> http://blog.haproxy.com/haproxy/proxy-protocol/
> There are two version of the proxy protocol. The more widely used version 1
> is text based and version 2 is binary.
> Proxy protocol would be useful for listening ports and for forwarding
> requests to origins that support the protocol.
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