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Re: WARNING: HTTP requires the use of Via

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On 14/12/17 03:12, erdosain9 wrote:
Im having this warning in the log.
I dont find anything related to this in google, so.

What could be??

You have configured "via off".

HTTP specification RFC 7230 section 5.7.1:
"
   A proxy MUST send an appropriate Via header field, as described
   below, in each message that it forwards.
"

Thus the *warning*. Things can go horribly wrong if it is disabled.

Via headers' purpose is to reveal which transport protocols an HTTP message is traveling over so the client and server endpoints can automatically determine which HTTP mechanisms will (or not) work.

If used properly it can avoid multiple round-trips of 4xx and 5xx errors or message timeouts occuring - with all the bandwidth, CPU and delays involved with those.


this is my config
...

###ACTIVAR EN CASO DE "Connection reset by peer" EN MUCHOS HOST
via off
forwarded_for delete


Amos
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