[squid-users] Does Squid proxy passes client/server MIME type such as application/x-protobuf?

[Amos Jeffries]

On 11/01/20 5:30 pm, GeorgeShen wrote:
> 
> Thanks Amos,
> 
> Good to know the MIME types are forwarded if the payload is being relayed.
> 
> What will be the expectation on the http custom headers, such as
> 'X-Request-ID', or 'X-Serial-Number' if they are set from client, during the
> proxy relay process, will those also be forwarded unchanged or is it
> possible
> only some of the well-known ones being honored for squid or other types of
> proxies?
> 

Please see the HTTP specifications. They answer most of your questions.
 <https://tools.ietf.org/html/rfc7230#section-3.2.1>

Amos