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    Guide to filtering web content (http and https) with pfsense 2.3

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    • T
      techbee
      last edited by

      @aGeekHere:

      yeah turn off automatic detect setting so the traffic goes direct and gets intercepted by the transparent proxy.

      By turn off, you mean uncheck the automatic detect settings and others options as well ?

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      • A
        aGeekhere
        last edited by

        yes

        Never Fear, A Geek is Here!

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        • T
          techbee
          last edited by

          May I ask though, what is the exact version of pfsense that you are using just for comparison.  If this will not work, then I will need to reinstall my pfsense box, maybe its broken.

          I am using:

          2.3.4-RELEASE (amd64)
          built on Wed May 03 15:13:29 CDT 2017
          FreeBSD 10.3-RELEASE-p19

          On the other hand, below is the screen shot of my testing NOT USING WPAD but setup the browser proxy.

          Also, I tried direct approach that you said, and the result the same error as before.

          What exact pfsense version are you using ?

          error1.jpg_thumb
          error1.jpg

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          • A
            aGeekhere
            last edited by

            2.3.4-RELEASE (amd64)
            Something is broken.

            Never Fear, A Geek is Here!

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            • T
              techbee
              last edited by

              @aGeekHere:

              2.3.4-RELEASE (amd64)
              Something is broken.

              what is in your wpad file?

              did you install your pfsense or upgraded to 2.3.4 release?

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              • A
                aGeekhere
                last edited by

                wpad is in the guide.

                I have been upgrading since i joined.

                Never Fear, A Geek is Here!

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                • 4
                  4Qman
                  last edited by

                  Hi,

                  I am new to pfsense, can someone have a look at the attached image and tell me if it looks correct please.

                  ![pfsense Nat PortForward 1.png](/public/imported_attachments/1/pfsense Nat PortForward 1.png)
                  ![pfsense Nat PortForward 1.png_thumb](/public/imported_attachments/1/pfsense Nat PortForward 1.png_thumb)

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                  • 4
                    4Qman
                    last edited by

                    I have followed this guide.

                    When I run proxy test it shows that I am under proxy. Google works fine, and so do most websites. But such websites as Amazon won't load, gives error.

                    Any advice would be greatly appreciated.

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                    • A
                      aGeekhere
                      last edited by

                      Post your squid config. Are you using just WPAD or Transparent proxy with mitm (cert of all devices) or Transparent proxy mitm set to splice all?

                      The best setup i found to use is WPAD and transparent proxy with mitm splice all, set devices to auto config.

                      Never Fear, A Geek is Here!

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                      • 4
                        4Qman
                        last edited by

                        @aGeekHere:

                        Post your squid config. Are you using just WPAD or Transparent proxy with mitm (cert of all devices) or Transparent proxy mitm set to splice all?

                        The best setup i found to use is WPAD and transparent proxy with mitm splice all, set devices to auto config.

                        Hi thanks for your reply.

                        I followed the guide, page 1.  I copied and pasted logs from PackageSquidGuardLogs

                        10.07.2017 17:06:47 [squid_reconfigure] Remove old redirector options from Squid config.
                        10.07.2017 17:05:35 [squid_reconfigure] Add new redirector options to Squid config.
                        10.07.2017 17:05:35 [squid_reconfigure] Remove old redirector options from Squid config.
                        10.07.2017 17:05:35 [sg_reconfigure] Save squidGuard config to '/usr/local/etc/squidGuard/squidGuard.conf'.
                        10.07.2017 17:05:35 [sg_redirector_base_url] Select redirector base url (http://192.168.1.1:80/sgerror.php?url=403%20&a=%a&n=%n&i=%i&s=%s&t=%t&u=%u)
                        10.07.2017 17:05:35 [sg_create_config] Add Default
                        10.07.2017 17:05:35 [sg_create_config] Add rewrites: safesearch;
                        10.07.2017 17:05:35 [sg_create_config] Add destinations: whitelist; blacklist;
                        10.07.2017 17:05:35 [sg_create_config] Added: blk_BL_adv; blk_BL_aggressive; blk_BL_alcohol; blk_BL_anonvpn; blk_BL_automobile_bikes; blk_BL_automobile_boats; blk_BL_automobile_cars; blk_BL_automobile_planes; blk_BL_chat; blk_BL_costtraps; blk_BL_dating; blk_BL_downloads; blk_BL_drugs; blk_BL_dynamic; blk_BL_education_schools; blk_BL_finance_banking; blk_BL_finance_insurance; blk_BL_finance_moneylending; blk_BL_finance_other; blk_BL_finance_realestate; blk_BL_finance_trading; blk_BL_fortunetelling; blk_BL_forum; blk_BL_gamble; blk_BL_government; blk_BL_hacking; blk_BL_hobby_cooking; blk_BL_hobby_games-misc; blk_BL_hobby_games-online; blk_BL_hobby_gardening; blk_BL_hobby_pets; blk_BL_homestyle; blk_BL_hospitals; blk_BL_imagehosting; blk_BL_isp; blk_BL_jobsearch; blk_BL_library; blk_BL_military; blk_BL_models; blk_BL_movies; blk_BL_music; blk_BL_news; blk_BL_podcasts; blk_BL_politics; blk_BL_porn; blk_BL_radiotv; blk_BL_recreation_humor; blk_BL_recreation_martialarts; blk_BL_recreation_restaurants; blk_BL_recreation_sports; blk_BL_recreation_travel; blk_BL_recreation_wellness; blk_BL_redirector; blk_BL_religion; blk_BL_remotecontrol; blk_BL_ringtones; blk_BL_science_astronomy; blk_BL_science_chemistry; blk_BL_searchengines; blk_BL_sex_education; blk_BL_sex_lingerie; blk_BL_shopping; blk_BL_socialnet; blk_BL_spyware; blk_BL_tracker; blk_BL_updatesites; blk_BL_urlshortener; blk_BL_violence; blk_BL_warez; blk_BL_weapons; blk_BL_webmail; blk_BL_webphone; blk_BL_webradio; blk_BL_webtv; .
                        10.07.2017 17:05:35 [sg_create_config] Add blacklist entries
                        10.07.2017 17:05:35 [squidguard_rebuild_db] Start rebuild DB.
                        10.07.2017 17:05:24 [squidguard_rebuild_db] Create rebuild config '/usr/local/etc/squidGuard/squidGuard__usrdbrebuild.conf'.
                        10.07.2017 17:05:24 [sg_redirector_base_url] Select redirector base url (http://192.168.1.1:80/sgerror.php?url=403%20404&a=%a&n=%n&i=%i&s=%s&t=%t&;u=%u)
                        10.07.2017 17:05:24 [sg_create_simple_config] Warning Ignored empty item 'blacklist' = '/var/db/squidGuard/blacklist'.
                        10.07.2017 17:05:24 [sg_create_simple_config] Warning Ignored empty item 'whitelist' = '/var/db/squidGuard/whitelist'.
                        10.07.2017 17:05:24 [sg_create_simple_config] Begin with dbhome='/var/db/squidGuard'.
                        10.07.2017 17:05:24 [squidguard_rebuild_db] Begin with path '/var/db/squidGuard'.
                        10.07.2017 17:05:24 [sg_reconfigure_user_db] Add user entries
                        10.07.2017 17:05:24 [sg_reconfigure_user_db] Begin with '/var/db/squidGuard'
                        10.07.2017 16:36:15 [squid_reconfigure] Add new redirector options to Squid config.
                        10.07.2017 16:36:15 [squid_reconfigure] Remove old redirector options from Squid config.
                        10.07.2017 16:36:15 [sg_reconfigure] Save squidGuard config to '/usr/local/etc/squidGuard/squidGuard.conf'.
                        10.07.2017 16:36:15 [sg_redirector_base_url] Select redirector base url (http://192.168.1.1:80/sgerror.php?url=403%20&a=%a&n=%n&i=%i&s=%s&t=%t&u=%u)
                        10.07.2017 16:36:15 [sg_create_config] Add Default
                        10.07.2017 16:36:15 [sg_create_config] Add rewrites: safesearch;
                        10.07.2017 16:36:15 [sg_create_config] Add destinations: whitelist; blacklist;
                        10.07.2017 16:36:15 [sg_create_config] Added: blk_BL_adv; blk_BL_aggressive; blk_BL_alcohol; blk_BL_anonvpn; blk_BL_automobile_bikes; blk_BL_automobile_boats; blk_BL_automobile_cars; blk_BL_automobile_planes; blk_BL_chat; blk_BL_costtraps; blk_BL_dating; blk_BL_downloads; blk_BL_drugs; blk_BL_dynamic; blk_BL_education_schools; blk_BL_finance_banking; blk_BL_finance_insurance; blk_BL_finance_moneylending; blk_BL_finance_other; blk_BL_finance_realestate; blk_BL_finance_trading; blk_BL_fortunetelling; blk_BL_forum; blk_BL_gamble; blk_BL_government; blk_BL_hacking; blk_BL_hobby_cooking; blk_BL_hobby_games-misc; blk_BL_hobby_games-online; blk_BL_hobby_gardening; blk_BL_hobby_pets; blk_BL_homestyle; blk_BL_hospitals; blk_BL_imagehosting; blk_BL_isp; blk_BL_jobsearch; blk_BL_library; blk_BL_military; blk_BL_models; blk_BL_movies; blk_BL_music; blk_BL_news; blk_BL_podcasts; blk_BL_politics; blk_BL_porn; blk_BL_radiotv; blk_BL_recreation_humor; blk_BL_recreation_martialarts; blk_BL_recreation_restaurants; blk_BL_recreation_sports; blk_BL_recreation_travel; blk_BL_recreation_wellness; blk_BL_redirector; blk_BL_religion; blk_BL_remotecontrol; blk_BL_ringtones; blk_BL_science_astronomy; blk_BL_science_chemistry; blk_BL_searchengines; blk_BL_sex_education; blk_BL_sex_lingerie; blk_BL_shopping; blk_BL_socialnet; blk_BL_spyware; blk_BL_tracker; blk_BL_updatesites; blk_BL_urlshortener; blk_BL_violence; blk_BL_warez; blk_BL_weapons; blk_BL_webmail; blk_BL_webphone; blk_BL_webradio; blk_BL_webtv; .
                        10.07.2017 16:36:15 [sg_create_config] Add blacklist entries
                        10.07.2017 16:36:15 [squidguard_rebuild_db] Start rebuild DB.
                        10.07.2017 16:36:05 [squidguard_rebuild_db] Create rebuild config '/usr/local/etc/squidGuard/squidGuard__usrdbrebuild.conf'.
                        10.07.2017 16:36:05 [sg_redirector_base_url] Select redirector base url (http://192.168.1.1:80/sgerror.php?url=403%20404&a=%a&n=%n&i=%i&s=%s&t=%t&;u=%u)
                        10.07.2017 16:36:05 [sg_create_simple_config] Warning Ignored empty item 'blacklist' = '/var/db/squidGuard/blacklist'.
                        10.07.2017 16:36:05 [sg_create_simple_config] Warning Ignored empty item 'whitelist' = '/var/db/squidGuard/whitelist'.
                        10.07.2017 16:36:05 [sg_create_simple_config] Begin with dbhome='/var/db/squidGuard'.
                        10.07.2017 16:36:05 [squidguard_rebuild_db] Begin with path '/var/db/squidGuard'.
                        10.07.2017 16:36:05 [sg_reconfigure_user_db] Add user entries
                        10.07.2017 16:36:05 [sg_reconfigure_user_db] Begin with '/var/db/squidGuard'
                        09.07.2017 18:01:06 [squid_reconfigure] Add new redirector options to Squid config.
                        09.07.2017 18:01:06 [squid_reconfigure] Remove old redirector options from Squid config.
                        09.07.2017 18:01:06 [sg_reconfigure] Save squidGuard config to '/usr/local/etc/squidGuard/squidGuard.conf'.
                        09.07.2017 18:01:06 [sg_redirector_base_url] Select redirector base url (http://192.168.1.1:80/sgerror.php?url=403%20&a=%a&n=%n&i=%i&s=%s&t=%t&u=%u)
                        09.07.2017 18:01:06 [sg_create_config] Add Default
                        09.07.2017 18:01:06 [sg_create_config] Add rewrites: safesearch;
                        09.07.2017 18:01:06 [sg_create_config] Add destinations: whitelist; blacklist;
                        09.07.2017 18:01:06 [sg_create_config] Added: blk_BL_adv; blk_BL_aggressive; blk_BL_alcohol; blk_BL_anonvpn; blk_BL_automobile_bikes; blk_BL_automobile_boats; blk_BL_automobile_cars; blk_BL_automobile_planes; blk_BL_chat; blk_BL_costtraps; blk_BL_dating; blk_BL_downloads; blk_BL_drugs; blk_BL_dynamic; blk_BL_education_schools; blk_BL_finance_banking; blk_BL_finance_insurance; blk_BL_finance_moneylending; blk_BL_finance_other; blk_BL_finance_realestate; blk_BL_finance_trading; blk_BL_fortunetelling; blk_BL_forum; blk_BL_gamble; blk_BL_government; blk_BL_hacking; blk_BL_hobby_cooking; blk_BL_hobby_games-misc; blk_BL_hobby_games-online; blk_BL_hobby_gardening; blk_BL_hobby_pets; blk_BL_homestyle; blk_BL_hospitals; blk_BL_imagehosting; blk_BL_isp; blk_BL_jobsearch; blk_BL_library; blk_BL_military; blk_BL_models; blk_BL_movies; blk_BL_music; blk_BL_news; blk_BL_podcasts; blk_BL_politics; blk_BL_porn; blk_BL_radiotv; blk_BL_recreation_humor; blk_BL_recreation_martialarts; blk_BL_recreation_restaurants; blk_BL_recreation_sports; blk_BL_recreation_travel; blk_BL_recreation_wellness; blk_BL_redirector; blk_BL_religion; blk_BL_remotecontrol; blk_BL_ringtones; blk_BL_science_astronomy; blk_BL_science_chemistry; blk_BL_searchengines; blk_BL_sex_education; blk_BL_sex_lingerie; blk_BL_shopping; blk_BL_socialnet; blk_BL_spyware; blk_BL_tracker; blk_BL_updatesites; blk_BL_urlshortener; blk_BL_violence; blk_BL_warez; blk_BL_weapons; blk_BL_webmail; blk_BL_webphone; blk_BL_webradio; blk_BL_webtv; .
                        09.07.2017 18:01:06 [sg_create_config] Add blacklist entries
                        09.07.2017 18:01:06 [squidguard_rebuild_db] Start rebuild DB.
                        09.07.2017 18:00:56 [squidguard_rebuild_db] Create rebuild config '/usr/local/etc/squidGuard/squidGuard__usrdbrebuild.conf'.
                        09.07.2017 18:00:56 [sg_redirector_base_url] Select redirector base url (http://192.168.1.1:80/sgerror.php?url=403%20404&a=%a&n=%n&i=%i&s=%s&t=%t&;u=%u)
                        09.07.2017 18:00:56 [sg_create_simple_config] Warning Ignored empty item 'blacklist' = '/var/db/squidGuard/blacklist'.

                        Proxy Config # This file is automatically generated by pfSense

                        Do not edit manually !

                        http_port 192.168.1.1:3128
                        http_port 127.0.0.1:3128
                        icp_port 0
                        digest_generation off
                        dns_v4_first off
                        pid_filename /var/run/squid/squid.pid
                        cache_effective_user squid
                        cache_effective_group proxy
                        error_default_language en
                        icon_directory /usr/local/etc/squid/icons
                        visible_hostname localhost
                        cache_mgr drobinson@brightsure.co.uk
                        access_log /var/squid/logs/access.log
                        cache_log /var/squid/logs/cache.log
                        cache_store_log none
                        netdb_filename /var/squid/logs/netdb.state
                        pinger_enable off
                        pinger_program /usr/local/libexec/squid/pinger

                        logfile_rotate 2
                        debug_options rotate=2
                        shutdown_lifetime 3 seconds

                        Allow local network(s) on interface(s)

                        acl localnet src  192.168.1.0/24 127.0.0.0/8
                        forwarded_for on
                        httpd_suppress_version_string on
                        uri_whitespace strip

                        cache_mem 1000 MB
                        maximum_object_size_in_memory 256 KB
                        memory_replacement_policy heap GDSF
                        cache_replacement_policy heap LFUDA
                        minimum_object_size 0 KB
                        maximum_object_size 1000 MB
                        cache_dir ufs /var/squid/cache 3000 16 256
                        offline_mode off
                        cache_swap_low 90
                        cache_swap_high 95
                        cache allow all

                        Add any of your own refresh_pattern entries above these.

                        refresh_pattern ^ftp:    1440  20%  10080
                        refresh_pattern ^gopher:  1440  0%  1440
                        refresh_pattern -i (/cgi-bin/|?) 0  0%  0
                        refresh_pattern .    0  20%  4320

                        #Remote proxies

                        Setup some default acls

                        ACLs all, manager, localhost, and to_localhost are predefined.

                        acl allsrc src all
                        acl safeports port 21 70 80 210 280 443 488 563 591 631 777 901  3128 3129 1025-65535
                        acl sslports port 443 563

                        acl purge method PURGE
                        acl connect method CONNECT

                        Define protocols used for redirects

                        acl HTTP proto HTTP
                        acl HTTPS proto HTTPS
                        http_access allow manager localhost

                        http_access deny manager
                        http_access allow purge localhost
                        http_access deny purge
                        http_access deny !safeports
                        http_access deny CONNECT !sslports

                        Always allow localhost connections

                        http_access allow localhost

                        request_body_max_size 0 KB
                        delay_pools 1
                        delay_class 1 2
                        delay_parameters 1 -1/-1 -1/-1
                        delay_initial_bucket_level 100
                        delay_access 1 allow allsrc

                        Reverse Proxy settings

                        Custom options before auth

                        Setup allowed ACLs

                        Allow local network(s) on interface(s)

                        http_access allow localnet

                        Default block all to be sure

                        http_access deny allsrc

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                        • A
                          aGeekhere
                          last edited by

                          if you set squidguard to allow all do still get the issue?

                          Never Fear, A Geek is Here!

                          1 Reply Last reply Reply Quote 0
                          • 4
                            4Qman
                            last edited by

                            @aGeekHere:

                            if you set squidguard to allow all do still get the issue?

                            Hi, thank you for the reply.

                            I have it sorted now, i didn't go to internet properties/connections/LAN settings - tick automatically detect settings

                            At the moment I have Wpad.dat working, I also have MSSL MITM working on splice all, I have android working now (manually entered wpad.dat address).

                            Is this method the best functioning method, or am i better to setup a websever to to host the wpdad files?  What are the main benifits of setting up a VM hosting these files?

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                            • A
                              aGeekhere
                              last edited by

                              Is this method the best functioning method, or am i better to setup a websever to to host the wpdad files?  What are the main benifits of setting up a VM hosting these files?

                              Not sure, maybe if you had a very large number of users you could use another webserver for the wpad.

                              I have it sorted now, i didn't go to internet properties/connections/LAN settings - tick automatically detect settings

                              Even if you left that unticked the transparent proxy should have still connected you, verify that the transparent proxy is working (e.g block port 80 and 443 and use a program that gets updates form the net to check).

                              Never Fear, A Geek is Here!

                              1 Reply Last reply Reply Quote 0
                              • R
                                rebytr
                                last edited by

                                @4Qman:

                                Hi,

                                I am new to pfsense, can someone have a look at the attached image and tell me if it looks correct please.

                                Was looking at this guide, https://doc.pfsense.org/index.php/Redirecting_all_DNS_Requests_to_pfSense and comparing to your screenshot.  What are the implications of unchecking the "invert match" box and not disabling NAT reflection?

                                1 Reply Last reply Reply Quote 0
                                • B
                                  bwlinux
                                  last edited by

                                  Thanks aGeekHere!  This guide encouraged me to revisit HTTPS filtering for several of my sites.

                                  The WPAD options seems great for PCs but didn't work well on Android devices.  Things get really difficult when you have 2 or more network interfaces you want to proxy/filter using WPAD.

                                  In the end, I just set up transparent proxy for both http and https. Creating a CA on the firewall and then assigning that in Squid for the CA along with "Splice All" for SSL/MITM Mode works great!

                                  I think it's been mentioned before but your guide would really benefit from having 2 completely separate sets of instructions for transparent only and WPAD only.

                                  1 Reply Last reply Reply Quote 0
                                  • A
                                    aGeekhere
                                    last edited by

                                    I now recommend that you use both, WPAC as the default and transparent with splice all as backup. So software that has no proxy settings still get redirected to the proxy in stead of getting blocked by the firewall rule 80 443. For android you can manually set the proxy, sometimes splice all can show SSL errors when web browsing. I will clean up the guide when I have time.

                                    Never Fear, A Geek is Here!

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                                    • M
                                      minhgi
                                      last edited by

                                      After using the guide and having everything setup correctly, I noticed pfblockerng easy_list stop blocking ads.  Have anyone have this issue and know how to fix it?

                                      1 Reply Last reply Reply Quote 0
                                      • V
                                        vielfede
                                        last edited by

                                        @aGeekHere:

                                        sometimes splice all can show SSL errors when web browsing.

                                        I'd say "often" a  lot of SSL errors!  ;)
                                        In my opinion Splice All is not usable in the way it is now (without WPAD).

                                        1 Reply Last reply Reply Quote 0
                                        • O
                                          originalsin
                                          last edited by

                                          guess it is way too late for asking abbration.

                                          But what does "Tic" stands for?

                                          I can not find out the Tic in Pfsense and can not figure it out.

                                          Plz somebody help me!!!

                                          1 Reply Last reply Reply Quote 0
                                          • A
                                            aGeekhere
                                            last edited by

                                            Tick, select.

                                            Never Fear, A Geek is Here!

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