Wha difference between HTTP_FILTER_MODULES and HTTP_AUX_FILTER_MODULES is it?

[quan nexthop]

If we want add a "string filter", which chain should be registered?

thanks
NextHop
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://nginx.org/pipermail/nginx/attachments/20101123/2d058e20/attachment-0001.html>