Hey there, How is your setup works?? what is the LAN ip addresses what is the WAN IP and how do you connect the two proxies?chain them? What OS are you using? is it a self compiled squid? what is the output of "squid -v"? We must understand first how your setup is setup and works to make sure you are doing it the right way. Eliezer On 08/06/2013 06:43 AM, yula athla wrote: > I have parent child squid installation. > > LAN->squid1->squid2->Internet. > ^ > ^ > WAN > > squid2 works as a transparent proxy for WAN connections. > > I was using 3.2.13 for squid2 (child) and 3.1.23 (parent). Every thing > works correctly. > > But, if i upgrade the parent to 3.2.13 or 3.3.8, i always get this error: > > > 2013/08/06 09:54:29 kid1| WARNING: Forwarding loop detected for: > GET /favicon.ico HTTP/1.1 > Host: juventus.com > User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:18.0) Gecko/20100101 Firefox/18.0 > Accept: text/html,application/xhtml+ > xml,application/xml;q=0.9,*/*;q=0.8 > Accept-Language: en-US,en;q=0.5 > Accept-Encoding: gzip, deflate > DNT: 1 > Cookie: __utma=1.525570529.1375757581.1375757581.1375757581.1; > __utmb=1.1.10.1375757581; __utmc=1; > __utmz=1.1375757581.1.1.utmcsr=(direct)|utm > ccn=(direct)|utmcmd=(none); __qca=P0-214282750-1375757580942 > Via: 1.1 otacon (squid), 1.1 solidus (squid) > X-Forwarded-For: 127.0.0.1 > Cache-Control: max-age=259200 > Connection: keep-alive > > otacon is the hostname of child squid. > solidus is the hostname of parent squid. > > > The error only occur from LAN connection. Things work greatly for any > WAN connection (with squid 3.1.23, 3.2.13, or 3.3.8). > > Parent config: > http://pastebin.com/tsBCPJ5r > > Child config: > http://pastebin.com/dz0u7g7b > > > Thanks for the help. :) >