Amigos , ver se esta correto esta configurações?  
 
 
MIKROTIK + SQUID3 EM PARALELO 
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Script do Squid no ubuntu server   | 
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# A porta padrao do squid e a 3128, ela pode ser alterada. 
              http_port 5128 transparent 
              visible_hostname UAUNET_PROVEDOR_LTDA 
              dns_nameservers 10.23.39.1 
              dns_nameservers 200.255.255.73 
              dns_nameservers 200.255.255.66 
              dns_nameservers 200.222.123.100 
              dns_nameservers 200.165.132.154 
              dns_nameservers 4.2.2.2  
              dns_nameservers 4.2.2.1 
              dns_nameservers 8.8.8.8 
              dns_nameservers 4.4.2.2 
               cache_access_log /var/log/squid3/access.log 
               #configuração do cache 
                #memoria reservada para o cache. coloque um valor de preferência 40% 
                #do total da sua maquina. 
                cache_mem 128 MB 
               #maximo tamanho dos arquivo cache na memoria 
                maximum_object_size_in_memory 64 KB 
               #tamanho maximo dos arquivo cache no HD 
                # no exemplo usaremos 200 MB que serão armazenados no HD, mais do que isso está dispensado da regra. 
                maximum_object_size 400 MB 
                minimum_object_size 0 KB 
               # regra que comeca esvaziar / substituir arquivos no cache em  90% 
                cache_swap_low 90 
                cache_swap_high 95 
               #indicacao de localizacao da pasta de arquivos cache e em sequencia valor  
                #total em MB de espaco no hd a ser usado pelo cache, numero de pastas , e 
                #numero de subpastas do cache. 
                #no exemplo estamos com um cache de 4GB com 64 pastas, e 512 subpastas. 
               cache_dir ufs /var/spool/squid3 4096 64 512 
               #intervalos de tempos que o proxy verificara os arquivos dos site acessado 
                #conferem com o do cache, o valor 4560 significa 04 dias 
               refresh_pattern ^ftp: 15 20% 9560 
                refresh_pattern ^gopher: 15 0% 9560 
                refresh_pattern . 15 20% 9560 
               #Fim do Cache 
               #ACL 's Gerais 
                #acl all src  0.0.0.0/0 
                #acl all src all 
                acl manager proto cache_object 
                acl localhost src 127.0.0.1/32 
                #acl localhost src 127.0.0.1/255.255.255.255 
                acl to_localhost dst 127.0.0.0/8 
               #acl 's Portas 
                acl SSL_ports port 443 563 873 
                acl Safe_ports port 80 
                acl Safe_ports port 21 
                acl Safe_ports port 443 563 
                acl Safe_ports port 70 #protocolo gopher antigao Safe_ports port 210 #whais 
                acl Safe_ports port 1024-65535 #todas as outras portas 
                acl Safe_ports port 280 #http-mgmt 
                acl Safe_ports port 488 #gss-http 
                acl Safe_ports port 591 #filemaker 
                acl Safe_ports port 777 #multi http 
                acl Safe_ports port 901 #acesso Swat 
                acl purge method PURGE 
                acl CONNECT method CONNECT 
               #HTTP - ACESSOS LOCAIS 
                http_access allow manager localhost 
                http_access deny manager 
                http_access allow purge localhost 
                http_access deny purge 
                http_access deny !Safe_ports 
                http_access allow CONNECT !SSL_PORTS 
                http_access allow localhost 
               #######PERSONALIZADAS ########## 
                #########REDES ##### 
               acl redelocal		src	10.23.39.2 
                acl Clientes		src	200.192.168.0/24 
                acl Clientes		src	10.23.2.0/30 
                #acl definir_acl 	src	definir rede 
                #acl definir_acl	src 	definir rede 
               # LIBERADOS 
                http_access	allow redelocal 
                http_access	allow Clientes 
            http_access	allow all | 
Script do sarg   | 
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access_log /var/log/squid3/access.log 
              title "Relorio de acesso a internet" 
              font_face Tahoma,Verdana,Arial 
              header_color darkblue 
              header_bgcolor blanchedalmond 
              font_size 12px 
              background_color white 
              text_color #000000 
              text_bgcolor lavender 
              title_color green 
              temporary_dir /tmp 
              output_dir /var/www/sarg 
              resolve_ip  
              user_ip yes 
              topuser_sort_field BYTES reverse 
              user_sort_field BYTES reverse 
              exclude_users /etc/sarg/exclude_users 
              exclude_hosts /etc/sarg/exclude_hosts 
              date_format u 
              remove_temp_files yes 
              index yes 
              index_tree file 
              overwrite_report yes 
              records_without_userid ip 
              use_comma yes 
              topsites_num 200 
              topsites_sort_order CONNECT D 
              index_sort_order D 
              exclude_codes /etc/sarg/exclude_codes 
              report_type topusers topsites sites_users users_sites date_time denied auth_failures site_user_time_date downloads 
              usertab /etc/sarg/usertab 
              long_url yes 
              date_time_by bytes 
              charset Latin1 
              show_read_statistics no 
              topuser_fields NUM DATE_TIME USERID CONNECT BYTES %BYTES IN-CACHE-OUT USED_TIME MILISEC %TIME TOTAL AVERAGE 
              user_report_fields CONNECT BYTES %BYTES IN-CACHE-OUT USED_TIME MILISEC %TIME TOTAL AVERAGE 
              topuser_num 0  
              download_suffix  "zip,arj,bzip,gz,ace,doc,iso,adt,bin,cab,com,dot,drv$,lha,lzh,mdb,mso,ppt,rtf,src,shs,sys,exe,dll,mp3,avi,mpg,mpeg,flv" 
              lastlog 30 
            privacy no | 
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