duplicate Vary: Accept-Encoding header

[Jonathan Matthews]

On 20 January 2014 04:54, Makailol Charls <makailol7 at gmail.com> wrote:
> I use nginx/1.4.4 with gunzip = on and gzip_vary = on. This leads to a
> duplicate Vary Header.
[snip]
> This issue is in standard ngx_http_header_filter_module so can anyone
> suggest solution?

Quick question: other than looking untidy, what's the actual problem
that (does|can) occur when the header is duplicated?

Jonathan