Hi Helmut, After adding following lines in the squid.conf, the problem over. Is it the right configuration? ================================================================== request_header_access Allow allow all request_header_access Authorization allow all request_header_access WWW-Authenticate allow all request_header_access Proxy-Authorization allow all request_header_access Proxy-Authenticate allow all request_header_access Cache-Control allow all request_header_access Content-Encoding allow all request_header_access Content-Length allow all request_header_access Content-Type allow all request_header_access Date allow all request_header_access Expires allow all request_header_access Host allow all request_header_access If-Modified-Since allow all request_header_access Last-Modified allow all request_header_access Location allow all request_header_access Pragma allow all request_header_access Accept allow all request_header_access Accept-Charset allow all request_header_access Accept-Encoding allow all request_header_access Accept-Language allow all request_header_access Content-Language allow all request_header_access Mime-Version allow all request_header_access Retry-After allow all request_header_access Title allow all request_header_access Connection allow all request_header_access Proxy-Connection allow all request_header_access All deny al ================================================================ Best Regards, Azhar Chowdhury On Tue, Apr 12, 2011 at 10:26 PM, Helmut Hullen <Hullen@xxxxxxxxxxx> wrote: > Hallo, AZHAR, > > Du meintest am 12.04.11: > >> We have successfully installed Squid 3.1.10 with Tproxy, iptables at >> Fedora 14 which working perfected under PBR of router. >> (following instructions of http://wiki.squid-cache.org/Features/Tprox >> y4) We can see clients pcs inside the network browsing with tcp_hit, >> tcp_miss records. But when any client PC browse to whatismyip.com >> that time, the site shows client's fixed IP address along with >> detection of cache server mentioning hostname of squid server. > > Do other websites react in the same way? > > http://myip.at > http://checkip.dyndns.org > > Viele Gruesse! > Helmut >