Re: not setting VIA?

From: Jens Elkner <>
Date: Tue, 14 Apr 1998 19:18:40 +0200 (MET DST)

' wrote:'
> I have a question about VIA header... is it possible to disable it on Squid? (I know you can disable X-Forwarded-For header...). Does anybody know about other proxies? Do they always have to set the VIA header?

RFC 2068: Hypertext Transfer Protocol -- HTTP/1.1

14.39 Server
   If the response is being forwarded through a proxy, the proxy
   application MUST NOT modify the Server response-header. Instead, it
   SHOULD include a Via field (as described in section 14.44).

14.44 Via

   The Via general-header field MUST be used by gateways and proxies to
   indicate the intermediate protocols and recipients between the user
   agent and the server on requests, and between the origin server and
   the client on responses. It is analogous to the "Received" field of
   RFC 822 and is intended to be used for tracking message forwards,
   avoiding request loops, and identifying the protocol capabilities of
   all senders along the request/response chain.


+---[ Jens Elkner ]------[ IVS, Otto-von-Guericke-Universitaet Magdeburg ]-+
| Am Uniplatz 5                                                            |
| WH 4   PF 310                    |
| 39106 Magdeburg   GERMANY   |
Received on Tue Apr 14 1998 - 13:17:29 MDT

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