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Re: reverse proxy removes Transfer-Encoding: chunked

Maxim Dounin
September 23, 2013 03:44PM
Hello!

On Mon, Sep 23, 2013 at 02:34:28PM -0400, Pommi wrote:

> I'm trying to setup a nginx (1.4.1) reverse proxy to a HornetQ API using
> this configuration:
>
> proxy_http_version 1.1;
> proxy_set_header Host $host;
> upstream app {
> server 127.0.0.1:8000;
> keepalive 8;
> }
> server {
> listen 0.0.0.0:7000;
> server_name localhost;
> location / { deny all; }
> location = /messaging/ {
> proxy_pass http://app/messaging/;
> proxy_buffering off;
> }
> }
>
> After a lot of tcpdumping I see that that nginx removes the
> Transfer-Encoding header and sets the Content-Length header in place of it,
> which the length of the first 'chunk'. After that the connection gets
> reset.
>
> When sending the following headers:
>
> POST /messaging/ HTTP/1.1
> Host: localhost
> Content-Type: application/octet-stream
> Transfer-Encoding: chunked
> Content-Transfer-Encoding: binary
> User-Agent:
> org.jboss.netty.channel.socket.http.HttpTunnelingClientSocketChannel
>
> nginx will forward them like:
>
> POST /messaging/ HTTP/1.1
> Host: localhost
> Content-Length: 60
> Content-Type: application/octet-stream
> Content-Transfer-Encoding: binary
> User-Agent:
> org.jboss.netty.channel.socket.http.HttpTunnelingClientSocketChannel
>
> Is this normal behaviour?

Yes, it's expected behaviour. Except it uses length of the full
request, not length of the first chunk.

--
Maxim Dounin
http://nginx.org/en/donation.html

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Subject Author Posted

reverse proxy removes Transfer-Encoding: chunked

Pommi September 23, 2013 02:34PM

Re: reverse proxy removes Transfer-Encoding: chunked

Maxim Dounin September 23, 2013 03:44PM



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