Squid + Iptables - Combinação Infalível
Neste artigo, veremos como criar um Firewall e Proxy com autenticação para uma rede pequena, e também,
veremos como debugar alguns erros que podem acontecer no dia a dia.[ Hits: 147.268 ]
Por: Phillip Vieira em 13/03/2012
# sarg.conf # # TAG: language # Available languages: # Bulgarian_windows1251 # Catalan # Czech # Dutch # English # French # German # Greek # Hungarian # Indonesian # Italian # Japanese # Latvian # Polish # Portuguese # Romanian # Russian_koi8 # Russian_UFT-8 # Russian_windows1251 # Serbian # Slovak # Spanish # Turkish # # VAMOS COLOCAR OS RELATÓRIOS EM PORTUGÊS language Portuguese # TAG: access_log file # Where is the access.log file # sarg -l file # # ESTA LINHA INFORMA ONDE O SARG VAI BUSCAR OS LOGS DO SQUID access_log /var/log/squid3/access.log # TAG: graphs yes|no # Use graphics where is possible. # graph_days_bytes_bar_color blue|green|yellow|orange|brown|red # #graphs yes #graph_days_bytes_bar_color orange # TAG: title # Especify the title for html page. # # A LINHA ABAIXO DIZ RESPEITO AO NOME DA PÁGINA, ALTERE A SEU GOSTO title "Squid User Access Reports" # TAG: font_face # Especify the font for html page. # font_face Tahoma,Verdana,Arial # TAG: header_color # Especify the header color # header_color darkblue # TAG: header_bgcolor # Especify the header bgcolor # header_bgcolor blanchedalmond # TAG: font_size # Especify the text font size # font_size 9px # TAG: header_font_size # Especify the header font size # #header_font_size 9px # TAG: title_font_size # Especify the title font size # #title_font_size 11px # TAG: background_color # TAG: background_color # Html page background color # background_color white # TAG: text_color # Html page text color # text_color #000000 # TAG: text_bgcolor # Html page text background color # text_bgcolor lavender # TAG: title_color # Html page title color # title_color green # TAG: logo_image # Html page logo. # #logo_image none # TAG: logo_text # Html page logo text. # #logo_text "" # TAG: logo_text_color # Html page logo texti color. # #logo_text_color #000000 # TAG: logo_image_size # Html page logo image size. # width height # #image_size 80 45 # TAG: background_image # Html page background image # #background_image none # TAG: password # User password file used by authentication # If used here, reports will be generated only for that users. # #password none # TAG: temporary_dir # Temporary directory name for work files # sarg -w dir # temporary_dir /tmp # TAG: output_dir # The reports will be saved in that directory # sarg -o dir # # A LINHA ABAIXO INFORMA ONDE SERÁ SALVO OS RELATÓRIOS GERADOS, APONTE PARA O SEU DIRETÓRIO WEB, # QUE NO CASO DO DEBIAN É /var/www/ e o diretório, squid-reports #output_dir /var/www/html/squid-reports output_dir /var/www/squid-reports # TAG: output_email # Email address to send the reports. If you use this tag, no html reports will be generated. # sarg -e email # #output_email none # TAG: resolve_ip yes/no # Convert ip address to dns name # sarg -n # QUANDO HABILITADO, RESOLVE IP EM NOME resolve_ip yes # TAG: user_ip yes/no # Use Ip Address instead userid in reports. # sarg -p # A LINHA ABAIXO INFORMA SE VOCÊ QUER OBTER O IP DO USUÁRIO NO CASO EU DEIXEI COMO "no" POIS # IREMOS VER OS RELATÓRIOS POR USUÁRIOS user_ip no # TAG: topuser_sort_field field normal/reverse # Sort field for the Topuser Report. # Allowed fields: USER CONNECT BYTES TIME # topuser_sort_field BYTES reverse # TAG: user_sort_field field normal/reverse # Sort field for the User Report. # Allowed fields: SITE CONNECT BYTES TIME # user_sort_field BYTES reverse # TAG: exclude_users file # users within the file will be excluded from reports. # you can use indexonly to have only index.html file. # # A LINHA ABAIXO DIZ RESPEITO AO ARQUIVO ONDE CONSTAM OS USUÁRIOS QUE NÃO TERÃO RELATÓRIOS exclude_users /etc/squid/sarg.users # TAG: exclude_hosts file # Hosts, domains or subnets will be excluded from reports. # # Eg.: 192.168.10.10 - exclude ip address only # 192.168.10.0 - exclude full C class # s1.acme.foo - exclude hostname only # acme.foo - exclude full domain name # exclude_hosts /etc/squid/sarg.hosts # TAG: useragent_log file # useragent.log file patch to generate useragent report. # #useragent_log none # TAG: date_format # Date format in reports: e (European=dd/mm/yy), u (American=mm/dd/yy), w (Weekly=yy.ww) # date_format u # TAG: per_user_limit file MB # Saves userid on file if download exceed n MB. # This option allow you to disable user access if user exceed a download limit. # #per_user_limit none # TAG: lastlog n # How many reports files must be keept in reports directory. # The oldest report file will be automatically removed. # 0 - no limit. # lastlog 0 # TAG: remove_temp_files yes # Remove temporary files: geral, usuarios, top, periodo from root report directory. # # REMOVE ARQUIVOS TEMPORÁRIOS, SE VOCÊ HABILITAR ESTA OPÇÃO CORRE O RISCO DE ENCHER O DISCO remove_temp_files yes # TAG: index yes|no|only # Generate the main index.html. # only - generate only the main index.html # index yes # TAG: index_tree date|file # How to generate the index. # index_tree file # TAG: overwrite_report yes|no # yes - if report date already exist then will be overwrited. # no - if report date already exist then will be renamed to filename.n, filename.n+1 # overwrite_report yes # TAG: records_without_userid ignore|ip|everybody # What can I do with records without user id (no authentication) in access.log file ? # # ignore - This record will be ignored. # ip - Use ip address instead. (default) # everybody - Use "everybody" instead. # records_without_userid ip # TAG: use_comma no|yes # Use comma instead point in reports. # Eg.: use_comma yes => 23,450,110 # use_comma no => 23.450.110 # use_comma yes # TAG: mail_utility mail|mailx # Mail command to use to send reports via SMTP # mail_utility mailx # TAG: topsites_num n # How many sites in topsites report. # topsites_num 100 # TAG: topsites_sort_order CONNECT|BYTES A|D # Sort for topsites report, where A=Ascendent, D=Descendent # topsites_sort_order CONNECT D # TAG: index_sort_order A/D # Sort for index.html, where A=Ascendent, D=Descendent # index_sort_order D # TAG: exclude_codes file # Ignore records with these codes. Eg.: NONE/400 # exclude_codes /etc/squid/sarg.exclude_codes # TAG: replace_index string # Replace "index.html" in the main index file with this string # If null "index.html" is used # #replace_index # TAG: max_elapsed milliseconds # If elapsed time is recorded in log is greater than max_elapsed use 0 for elapsed time. # Use 0 for no checking # #max_elapsed 0 # 8 Hours max_elapsed 28800000 # TAG: report_type type # What kind of reports to generate. # topusers - users, sites, times, bytes, connects, links to accessed sites, etc # topsites - site, connect and bytes report # sites_users - users and sites report # users_sites - accessed sites by the user report # date_time - bytes used per day and hour report # denied - denied sites with full URL report # auth_failures - autentication failures report # site_user_time_date - sites, dates, times and bytes report # downloads - downloads per user report # # Eg.: report_type topsites denied # #report_type topusers topsites sites_users users_sites date_time denied auth_failures site_user_time_date downloads report_type topusers topsites sites_users users_sites date_time denied auth_failures site_user_time_date downloads # TAG: usertab filename # You can change the "userid" or the "ip address" to be a real user name on the reports. # Table syntax: # userid name or ip address name # Eg: # SirIsaac Isaac Newton # vinci Leonardo da Vinci # 192.168.10.1 Karol Wojtyla # # Each line must be terminated with '\n' # usertab /etc/squid/sarg.usertab # TAG: long_url yes|no # If yes, the full url is showed in report. # If no, only the site will be showed # # YES option generate very big sort files and reports. # # AQUI ELE DIZ SOBRE SE VOCÊ QUER VER OS ENDEREÇOS NOS RELATÓRIOS NO MODO CURTO # OU A URL INTEIRA, COM POR EXEMPLO # Modo curto: meusite.com # Modo extenso: meusite.com/aplicacoes/aplicacao1 long_url no # TAG: date_time_by bytes|elap # Date/Time reports will use bytes or elapsed time? # date_time_by bytes # TAG: charset name # ISO 8859 is a full series of 10 standardized multilingual single-byte coded (8bit) # graphic character sets for writing in alphabetic languages # You can use the following charsets: # Latin1 - West European # Latin2 - East European # Latin3 - South European # Latin4 - North European # Cyrillic # Arabic # Greek # Hebrew # Latin5 - Turkish # Latin6 # Windows-1251 # Koi8-r # charset Latin1 # TAG: user_invalid_char "&/" # Records that contain invalid characters in userid will be ignored by Sarg. # #user_invalid_char "&/" # TAG: privacy yes|no # privacy_string "***.***.***.***" # privacy_string_color blue # In some countries the sysadm cannot see the visited sites by a restrictive law. # Using privacy yes the visited url will be changes by privacy_string and the link # will be removed from reports. # #privacy no #privacy_string "***.***.***.***" #privacy_string_color blue # TAG: include_users "user1:user2:...:usern" # Reports will be generated only for listed users. # #include_users none # TAG: exclude_string "string1:string2:...:stringn" # Records from access.log file that contain one of listed strings will be ignored. # #exclude_string none # TAG: show_successful_message yes|no # Shows "Successful report generated on dir" at end of process. # show_successful_message no # TAG: show_read_statistics yes|no # Shows some reading statistics. # show_read_statistics no # TAG: topuser_fields # Which fields must be in Topuser report. # topuser_fields NUM DATE_TIME USERID CONNECT BYTES %BYTES IN-CACHE-OUT USED_TIME MILISEC %TIME TOTAL AVERAGE # TAG: user_report_fields # Which fields must be in User report. # user_report_fields CONNECT BYTES %BYTES IN-CACHE-OUT USED_TIME MILISEC %TIME TOTAL AVERAGE # TAG: topuser_num n # How many users in topsites report. 0 = no limit # topuser_num 0 # TAG: site_user_time_date_type list|table # generate reports for site_user_time_date in list or table format # site_user_time_date_type table # TAG: datafile file # Save the report results in a file to populate some database # #datafile none # TAG: datafile_delimiter ";" # ascii character to use as a field separator in datafile # #datafile_delimiter ";" # TAG: datafile_fields all # Which data fields must be in datafile # user;date;time;url;connect;bytes;in_cache;out_cache;elapsed # #datafile_fields user;date;time;url;connect;bytes;in_cache;out_cache;elapsed # TAG: datafile_url ip|name # Saves the URL as ip or name in datafile # #datafile ip # TAG: weekdays # The weekdays to take account ( Sunday->0, Saturday->6 ) # Example: #weekdays 1-3,5 # Default: #weekdays 0-6 # TAG: hours # The hours to take account # Example: #hours 7-12,14,16,18-20 # Default: #hours 0-23 # TAG: dansguardian_conf file # DansGuardian.conf file path # Generate reports from DansGuardian logs. # Use 'none' to disable it. # dansguardian_conf /usr/dansguardian/dansguardian.conf # #dansguardian_conf none # TAG: dansguardian_ignore_date on|off # Use 'on' use the record even the date range is different from the used squid access.log file. # Use 'off' use the record only if the date range is in the used squid access.log file. # #dansguardian_ignore_date off # TAG: squidguard_conf file # path to squidGuard.conf file # Generate reports from SquidGuard logs. # Use 'none' to disable. # You can use sarg -L filename to use an alternate squidGuard log. # squidguard_conf /usr/local/squidGuard/squidGuard.conf # #squidguard_conf none # TAG: squidguard_ignore_date on|off # Use 'on' use the record even the date range is different from the used squid access.log file. # Use 'off' use the record only if the date range is in the used squid access.log file. # #squidguard_ignore_date off # TAG: squidguard_log_format # Format string SquidGuard logs. # REJIK #year#-#mon#-#day# #hour# #list#:#tmp# #ip# #user# #tmp#/#tmp#/#url#/#end# # SQUIDGUARD #year#-#mon#-#day# #hour# #tmp#/#list#/#tmp#/#tmp#/#url#/#tmp# #ip#/#tmp# #user# #end# #squidguard_log_format #year#-#mon#-#day# #hour# #tmp#/#list#/#tmp#/#tmp#/#url#/#tmp# #ip#/#tmp# #user# #end# # TAG: show_sarg_info yes|no # shows sarg information and site path on each report bottom # #show_sarg_info yes # TAG: show_sarg_logo yes|no # shows sarg logo # #show_sarg_logo yes # TAG: parsed_output_log directory # Saves the processed log in a sarg format after parsing the squid log file. # This is a way to dump all of the data structures out, after parsing from # the logs (presumably this data will be much smaller than the log files themselves), # and pull them back in for later processing and merging with data from previous logs. # #parsed_output_log none # TAG: parsed_output_log_compress /bin/gzip|/usr/bin/bzip2|nocompress # sarg logs compress util # #parsed_output_log_compress /bin/gzip # TAG: displayed_values bytes|abbreviation # how the values will be displayed in reports. # eg. bytes - 209.526 # abbreviation - 210K # #displayed_values bytes # Report limits # TAG: authfail_report_limit n # TAG: denied_report_limit n # TAG: siteusers_report_limit n # TAG: squidguard_report_limit n # TAG: user_report_limit n # TAG: dansguardian_report_limit n # TAG: download_report_limit n # report limits (lines). # '0' no limit # #authfail_report_limit 10 #denied_report_limit 10 #siteusers_report_limit 0 #squidguard_report_limit 10 #dansguardian_report_limit 10 #user_report_limit 10 #user_report_limit 50 # TAG: www_document_root dir # Where is your Web DocumentRoot # Sarg will create sarg-php directory with some PHP modules: # - sarg-squidguard-block.php - add urls from user reports to squidGuard DB # #www_document_root /var/www/html # TAG: block_it module_url # This tag allow you to pass urls from user reports to a cgi or php module, # to be blocked by some Squid acl # # Eg.: block_it /sarg-php/sarg-block-it.php # sarg-block-it is a php that will append a url to a flat file. # You must change /var/www/html/sarg-php/sarg-block-it to point to your file # in $filename variable, and chown to a httpd owner. # # sarg will pass http://module_url?url=url # #block_it none # TAG: external_css_file path # This tag allow internal sarg css override. # Sarg use theses style classes: # .body body class # .info sarg information class, align=center # .title title class, align=center # .header header class, align:left # .header2 header class, align:right # .header3 header class, align:right # .text text class, align:left # .data table text class, align:right # .data2 table text class, align:right, border colors # .link link class # # There is a sample in /usr/local/sarg/etc/css.tpl # #external_css_file none # TAG: user_authentication yes|no # Allow user authentication in User Reports using .htaccess # Parameters: # AuthUserFile - where the user password file is # AuthName - authentication realm. Eg "Members Only" # AuthType - authenticaion type - basic # Require - authorized users to see the report. # %u - user report # # user_authentication no # AuthUserFile /usr/local/sarg/passwd # AuthName "SARG, Restricted Access" # AuthType Basic # Require user admin %u # TAG: download_suffix "suffix,suffix,...,suffix" # file suffix to be considered as "download" in Download report. # Use 'none' to disable. # download_suffix "zip,arj,bzip,gz,ace,doc,iso,adt,bin,cab,com,dot,drv$,lha,lzh,mdb,mso,ppt,rtf,src,shs,sys,exe,dll,mp3,avi,mpg,mpeg" # TAG: ulimit n # The maximum number of open file descriptors to avoid "Too many open files" error message. # You need to run sarg as root to use ulimit tag. # #ulimit 20000 # TAG: ntlm_user_format username|domainname+username # NTLM users format. # #ntlm_user_format domainname+username # TAG: realtime_refresh_time num sec # How many time to auto refresh the realtime report # 0 = disable # # realtime_refresh_time 3 # TAG: realtime_access_log_lines num # How many last lines to get from access.log file # # realtime_access_log_lines 1000 # TAG: realtime_types: GET,PUT,CONNECT,ICP_QUERY,POST # Which records must be in realtime report. # # realtime_types GET,PUT,CONNECT # TAG: realtime_unauthenticated_records: ignore|show # What to do with unauthenticated records in realtime report. # # realtime_unauthenticated_records: ignore # TAG: byte_cost value no_cost_limit # Cost per byte. # Eg. byte_cost 0.01 100000000 # per byte cost = 0.01 # bytes with no cost = 100 Mb # 0 = disable # # byte_cost 0.01 50000000
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