I have the same problem why nginx doesn't support etag?

2009/6/10 bit bull

> hi, all:
>
> sorry for my pool english. I write a filter, it need get
> etag(http header) from proxied server. But I cant get etag in
> r->upstream.headers_in->etag, so I added
>
> "#if (NGX_HTTP_MYMODULE)
> { ngx_string("ETag"),
> ngx_http_upstream_process_header_line, 1,
> ngx_http_upstream_copy_header_line
> offsetof(ngx_http_headers_out_t, etag), 1 },
> #endif
> "
>
> to ngx_http_upstream.c:ngx_http_upstream_headers_in[].
>
>
> It's work. but I worry about it will make some bugs, because
> I dont know why nginx not supported this.
>
> who can tell me something about this or nginx will supported
> this in future?
>
> thanks very much.
>
> wengjy
>
>