Hello, What might be causing this Warning?! "WARNING: Forwarding loop detected for: Client: 192.168.15.251 http_port: 192.168.15.202:3128" See my config file : # tratar objetos fresh, stale(refresh) # Customizes cache log output. First column will output user-friendly time #logformat modcs %tl %6tr %>a %Ss/%03Hs %<st %rm %ru %un %Sh/%<A %mt logformat modcs %{%H:%M:%S}tl.%05tu %6tr %>a %Ss/%03Hs %<st %rm %ru %un %Sh/%<A %mt access_log /var/log/squid/access-modcs.log modcs access_log /var/log/squid/access.log squid # RAM cache_mem 2048 MB maximum_object_size_in_memory 64 KB # HD cache_dir aufs /var/spool/squid 5000 16 256 #maximum_object_size 128 MB maximum_object_size 16 MB minimum_object_size 0 KB # Cache Threshold limits cache_swap_low 90 cache_swap_high 100 log_icp_queries on digest_generation off # Disables cache digest icp_port 3130 # 0 disables ICP acl cloud src 192.168.15.0/24 icp_access allow cloud # Scenario 3. Mesh #cache_peer 192.168.15.200 parent 3128 0 no-query round-robin cache_peer 192.168.15.253 sibling 3128 3130 no-digest proxy-only cache_peer 192.168.15.252 sibling 3128 3130 no-digest proxy-only cache_peer 192.168.15.251 sibling 3128 3130 no-digest proxy-only #prefer_direct off ### END Scenario 3 ### # Cache Uploads refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern . 0 20% 4320 # Basic configuration http_port 3128 transparent visible_hostname mc2-frontend acl all src 0.0.0.0/0.0.0.0 icp_access deny all http_access allow all ----------------------------------------------- Igor Rafael da Rocha