[nginx] Vary header is repeated twice in response

[Maxim Dounin]

Hello!

On Tue, Apr 01, 2014 at 02:54:56PM +0400, Yury Kirpichev wrote:

> Hi,
> 
> I've got an issue that "Vary" header is repeated twice in response when
> "gzip_vary  on" is specified in config file;
> 
> My configuration is the following:
> Two instances of nginx are running on different hosts (A and B)
> There is
>     location /smth/ {
>         proxy_pass http://B/smth;
>     }
> 
> and
>    gzip_vary on;
> in config for  host A.
> 
> B adds "Vary: Accept-Encoding" in response for http://B/smth
> 
> And then if http://A/smth request is performed "Vary" header is returned
> twice in response.
> < Connection: keep-alive
> < Vary: Accept-Encoding
> < Vary: Accept-Encoding
> < date: Tue, 01 Apr 2014 10:02:27 GMT
> < expires: Tue, 01 Apr 2014 10:07:27 GMT
> < server: nginx/1.4.4
> 
> 
> Could you please help me to resolve this problem? Is it known issue or it
> is normal behaviour or may be something wrong on my side?

This is certainly not relevant to nginx-devel@, please use nginx@ 
mailing list for such questions (Cc'd).

-- 
Maxim Dounin
http://nginx.org/