Add option to enable proxy protocol for HTTP services about traefik HOT 3 CLOSED

Hi @jbaron-gingco ,

In HTTP Services setups, connections with the backend are reused for different clients, making it impossible to forward client-specific connection information like ProxyProtocol does.

So we can't enable ProxyProtocol on HTTP Services.

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Hello @jbaron-gingco,

Thank you for reaching out.
Could you be more accurate on your need and, ideally, provide a configuration example, please?

Note that a PR is already open to fix a bug with the headers management (#10492), fo you think it fits your needs?

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Hi @nmengin,

for TCP services there is the configuration option to enable TCP proxy protocol:

 "traefik.tcp.services.<servicename>.loadbalancer.proxyprotocol.version=2"

But for HTTP services, no such option seems to exist, but instead the HTTP X-Forwarded-* headers are used. Would it be possible to add an option to enable the TCP proxy protocol for HTTP services as well?

Some services do not seem to support the headers (possibly because of the security risks involved), but do support the TCP proxy protocol. This is the case with rabbitMQ for us.

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