Squid error while doing transparent proxy

hi,

sorry for the duplication, forgot to add the error last time :)

I am trying to make transparent proxy work using squid with ipf-enabled, ipfilter ( http://cheops.anu.edu.au/~avalon/ip-filter.html ) and cisco 2501 with ios 11.3

I have already installed ipfilter.
squid is configured with --enable-ipf-transparent.
cisco cofigure with ip route-map e.t.c.

but when I try to browse, my request do get to squid transparently but I get an error ( which is attached as an html document )

Can someone tell me what am I doing wrong ?

Regards,

M. Faisal Hamid
Network Administrator
World Online
Cybersoft Technologies (Pvt) Ltd. Telephone # 92-42-111-600-111
123-A Babar Block, New Garden Town Fax # 92-42-5833277
Lahore, Pakistan E-mail: mfhamid@hotmail.com
                                                        hamid@pemail.net
                                                        faisal@wol.net.pk