Thanks for your hints, I wrote a simple shell script for that purpose successfully. How to determine the value of children option in external_acl_type directive? What is the effect of that? Henrik Nordstrom wrote: > tis 2008-04-08 klockan 00:46 +0800 skrev CC Ng: > > >> I have no idea about how to write the custom helper, is there any hint >> for that? Thanks! >> > > The query syntax sent to the helper and expected responses is documented > in the external_acl_type directive. > > And the standard Proxy-Authentication header formats is defined in > RFC2617. > > > I would suggest you start by looking into acutal HTTP traffic using > wireshark and RFC2617 so you get a feeling of how the username is sent > and how to decode it. From there it's a lot easier to then write the > helper.. > > Regards > Henrik > > > >