> I think it is best to emit them if (and only if) squid.conf tells Squid
> to do that. I can suggest the following configuration alternatives:
>
> 1) A new dedicated directive ("x_cache_headers on/off"?).
>
> 2) A new debug_options option ("x_cache_headers=on/off"?).
>
> 3) reply_header_add and %Ss, %SsLookup logformat codes.
>
> The last option requires adding support for reply_header_add and
> %SsLookup logformat code, but that should be fairly easy, and
> reply_header_add will be added sooner or later anyway.
I agree.
Of the three options you suggest, my order of preference (most to
least) from the admin's perspective would be 3, 1, 2 .
--
/kinkie
