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    Unofficial E2guardian package for pfSense

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    Cache/Proxy
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    • S
      Stewart
      last edited by

      I've tried Proxy-Basic and none.  Now, some pages load.  Others are blocked but show a category of NA.  I also can't get to the pfSense GUI from the local network.  Is there a way to reset to defaults in case I've done something?

      Edit:  i am getting a bunch of:

      Apr 10 17:25:20 	e2guardian 	53019 	stats reset to freechildren 16 busychildren 2 numchildren 18
Apr 10 17:25:20 	e2guardian 	53019 	freechildren 15 + busychildren 2 != numchildren 18
Apr 10 17:25:20 	e2guardian 	53019 	stats reset to freechildren 16 busychildren 2 numchildren 18
Apr 10 17:25:20 	e2guardian 	53019 	freechildren 16 + busychildren 1 != numchildren 18
Apr 10 17:25:20 	e2guardian 	53019 	stats reset to freechildren 17 busychildren 1 numchildren 18
Apr 10 17:25:21 	e2guardian 	53019 	freechildren 16 + busychildren 1 != numchildren 18
Apr 10 17:25:21 	e2guardian 	53019 	stats reset to freechildren 17 busychildren 1 numchildren 18
Apr 10 17:25:21 	e2guardian 	53019 	freechildren 15 + busychildren 2 != numchildren 18
Apr 10 17:25:21 	e2guardian 	53019 	stats reset to freechildren 16 busychildren 2 numchildren 18
Apr 10 17:25:21 	e2guardian 	53019 	freechildren 14 + busychildren 3 != numchildren 18
Apr 10 17:25:21 	e2guardian 	53019 	stats reset to freechildren 15 busychildren 3 numchildren 18
Apr 10 17:25:21 	e2guardian 	53019 	freechildren 14 + busychildren 3 != numchildren 18
Apr 10 17:25:21 	e2guardian 	53019 	stats reset to freechildren 15 busychildren 3 numchildren 18
Apr 10 17:26:36 	e2guardian 	53019 	freechildren 16 + busychildren 1 != numchildren 18
Apr 10 17:26:36 	e2guardian 	53019 	stats reset to freechildren 17 busychildren 1 numchildren 18
Apr 10 17:26:36 	e2guardian 	53019 	freechildren 16 + busychildren 1 != numchildren 18
Apr 10 17:26:36 	e2guardian 	53019 	stats reset to freechildren 17 busychildren 1 numchildren 18
Apr 10 17:26:36 	e2guardian 	53019 	freechildren 17 + busychildren 0 != numchildren 18
Apr 10 17:26:36 	e2guardian 	53019 	stats reset to freechildren 18 busychildren 0 numchildren 18
Apr 10 17:26:37 	e2guardian 	53019 	freechildren 17 + busychildren 0 != numchildren 18
Apr 10 17:26:37 	e2guardian 	53019 	stats reset to freechildren 18 busychildren 0 numchildren 18
Apr 10 17:26:39 	e2guardian 	53019 	freechildren 17 + busychildren 0 != numchildren 18
Apr 10 17:26:39 	e2guardian 	53019 	stats reset to freechildren 18 busychildren 0 numchildren 18

      in the log now.

      1 Reply Last reply Reply Quote 0
      • marcellocM
        marcelloc
        last edited by

        Unselect any autentication, save and apply(and maybe restart the service). The small documentation on proxy-header says that you must select a http header field to identify as users, and then add them on groups

        
# Proxy-header auth plugin
# FredB August 2016
# Identifies users with header;
# relies upon the upstream proxy.
# Eg: in groups file
# Mozilla/5.0 (Windows NT 6.1; rv:47.0) Gecko/20100101 Firefox/47.0=filter3
# here:
# header = 'user-agent'

        Treinamentos de Elite: http://sys-squad.com

        Help a community developer! ;D

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        • D
          danjeman
          last edited by

          Have updated looks ok so far except on the menus if you go to IPs then ACLs changes to Access Lists - will clear cache etc. and check again…

          Don't believe sync has ever worked with the default 'Sync to configured system backup server' either - this is the log entry..

          Apr 11 11:57:52 php-fpm 69222 /pkg_edit.php: [E2guardian] xmlrpc sync is enabled but there is no system backup hosts to push squid config.
          Apr 11 11:57:52 php-fpm 69222 /pkg_edit.php: Reloading E2guardian

          Every other package syncs fine with this setting.

          1 Reply Last reply Reply Quote 0
          • S
            Stewart
            last edited by

            @marcelloc:

            Unselect any autentication, save and apply(and maybe restart the service). The small documentation on proxy-header says that you must select a http header field to identify as users, and then add them on groups

            
# Proxy-header auth plugin
# FredB August 2016
# Identifies users with header;
# relies upon the upstream proxy.
# Eg: in groups file
# Mozilla/5.0 (Windows NT 6.1; rv:47.0) Gecko/20100101 Firefox/47.0=filter3
# here:
# header = 'user-agent'

            Is there a difference between "None" and not having any selected?

            1 Reply Last reply Reply Quote 0
            • S
              Stewart
              last edited by

              With no authentication set I now get an Access Denied page from Squid.

              When I access a page the Squid logs show:

              1491926079.428      3 127.0.0.1 TCP_MISS/403 4185 GET http://forum.pfsense.com/ - HIER_NONE/- text/html
1491926079.455    248 127.0.0.1 TCP_MISS/403 4287 GET http://forum.pfsense.com/ - ORIGINAL_DST/127.0.0.1 text/html
1491926079.499      2 127.0.0.1 TCP_MEM_HIT/200 13066 GET http://localhost:3128/squid-internal-static/icons/SN.png - HIER_NONE/- image/png
1491926079.599      1 127.0.0.1 TAG_NONE/409 4118 CONNECT urs.microsoft.com:443 - HIER_NONE/- text/html
1491926079.601      1 127.0.0.1 TAG_NONE/409 4118 CONNECT urs.microsoft.com:443 - HIER_NONE/- text/html

              /var/log/e2guardian/access.log shows:

              2017.4.11 13:29:04 - 192.168.1.100 http://forum.pfsense.com/  GET 3849 0  1 403 text/html  Default   - -
2017.4.11 13:29:04 - 192.168.1.100 https://urs.microsoft.com:443  CONNECT 4118 0  1 200 -  Default   - -
2017.4.11 13:29:04 - 192.168.1.100 https://urs.microsoft.com:443  CONNECT 4118 0  1 200 -  Default   - -

              No matter what page I go to, I get those same 5 lines.  The first 2 vary depending on where I go but the last 3 are exactly the same.  If I point directly to the Squid proxy port then pages load.  If I pass through transparently then it works.  If I point to the port 8080 for e2guardian it fails.  I've gone back and undone the changes I made to proxy-header.conf and everything loads properly now.  I've deselected all auth plugins on the General page.

              EDIT:  Well, not every time.  I also get

              1491928118.800 86400440 192.168.1.157 TAG_NONE/200 0 CONNECT 216.58.218.2:443 - HIER_NONE/- -
1491928118.800 86400301 192.168.1.157 TAG_NONE_TIMEDOUT/409 0 CONNECT pagead2.googlesyndication.com:443 - HIER_NONE/- text/html;charset=utf-8

              EDIT 2:  Here's my config:

              forcequicksearch = off
reverseaddresslookups = off
reverseclientiplookups = off
logclienthostnames = off
createlistcachefiles = on
prefercachedlists = off
maxcontentfiltersize = 256
maxcontentramcachescansize = 1000
maxcontentfilecachescansize = 2000
filecachedir = '/tmp'
deletedownloadedtempfiles = on
initialtrickledelay = 20
trickledelay = 20
downloadmanager = '/usr/local/etc/e2guardian/downloadmanagers/fancy.conf'
downloadmanager = '/usr/local/etc/e2guardian/downloadmanagers/trickle.conf'
downloadmanager = '/usr/local/etc/e2guardian/downloadmanagers/default.conf'
contentscannertimeout = 60
contentscanexceptions = off
mapauthtoports = off
recheckreplacedurls = off
forwardedfor = off
usexforwardedfor = off
logconnectionhandlingerrors = on
logsslerrors = off
logchildprocesshandling = off
maxchildren = 120
minchildren = 8
minsparechildren = 8
preforkchildren = 10
maxsparechildren = 64
maxagechildren = 500
maxips = 0
ipcfilename = '/tmp/.dguardianipc'
urlipcfilename = '/tmp/.dguardianurlipc'
ipipcfilename = '/tmp/.dguardianipipc'
nodaemon = off
nologger = off
logadblocks = off
loguseragent =
daemonuser = 'clamav'
daemongroup = 'nobody'
softrestart = on
cacertificatepath = '/etc/ssl/demoCA/cacert.pem'
caprivatekeypath = '/etc/ssl/demoCA/private/cakey.pem'
certprivatekeypath = '/etc/ssl/demoCA/private/serverkey.pem'
generatedcertpath = '/usr/local/etc/e2guardian/ssl/generatedcerts'
              1 Reply Last reply Reply Quote 0
              • P
                pfsensation
                last edited by

                Wanted to say, thanks for bringing this project back alive. Been waiting an extremely long time for E2 Guardian, as it seems to tick all my boxes in being able to scan HTTPS traffic properly, without having to rely on a black list or DNS based blocking. Most people don't seem to understand the importance of HTTPS scanning, even knowing that there's always new proxies, and websites coming along to bypass blocks.

                How is the status of the package now? I see Stewart is saying that it isn't working, is it working for everyone else?

                1 Reply Last reply Reply Quote 0
                • marcellocM
                  marcelloc
                  last edited by

                  I've tested normal proxy and SSL interception. Did not started testing authentication and antivirus integration

                  Treinamentos de Elite: http://sys-squad.com

                  Help a community developer! ;D

                  1 Reply Last reply Reply Quote 0
                  • S
                    Stewart
                    last edited by

                    @pfsensation:

                    Wanted to say, thanks for bringing this project back alive. Been waiting an extremely long time for E2 Guardian, as it seems to tick all my boxes in being able to scan HTTPS traffic properly, without having to rely on a black list or DNS based blocking. Most people don't seem to understand the importance of HTTPS scanning, even knowing that there's always new proxies, and websites coming along to bypass blocks.

                    How is the status of the package now? I see Stewart is saying that it isn't working, is it working for everyone else?

                    I've wiped the box I was having problems with and will go back to testing once my other projects simmer down since I couldn't ever get it to work properly.  I'll report back here once I get back on it.

                    1 Reply Last reply Reply Quote 0
                    • P
                      pfsensation
                      last edited by

                      So I got this setup at basic level, and have got a phrase list up. However, how do I get it to scan HTTPS sites? I have a phrase list up for pornography, and it seems to be working for http sites but not HTTPS. And now it seems more and more websites are moving to HTTPS.

                      I am purely trying to test the phrase matching system, and make sure that this system is able to block those sites.

                      1 Reply Last reply Reply Quote 0
                      • marcellocM
                        marcelloc
                        last edited by

                        Create the CA on pfSense
                        apply it on e2guardian config
                        Install ca certificate on browser

                        Treinamentos de Elite: http://sys-squad.com

                        Help a community developer! ;D

                        1 Reply Last reply Reply Quote 0
                        • S
                          Stewart
                          last edited by

                          @marcelloc:

                          Create the CA on pfSense
                          apply it on e2guardian config
                          Install ca certificate on browser

                          I thought it could be done transparently in e2Guardian.  Is that not so?

                          1 Reply Last reply Reply Quote 0
                          • P
                            pfsensation
                            last edited by

                            @marcelloc:

                            Create the CA on pfSense
                            apply it on e2guardian config
                            Install ca certificate on browser

                            Got it working by setting "Filter SSL sites forging SSL certificates" on group settings. However I am getting a error saying common name invalid on chrome, its working on Edge and Internet Explorer. Also, is there anyway to modify the block page? The standard DansGuardian one looks pretty terrible.

                            1 Reply Last reply Reply Quote 0
                            • marcellocM
                              marcelloc
                              last edited by

                              @Stewart:

                              I thought it could be done transparently in e2Guardian.  Is that not so?

                              I don't think so. To anylize the page content, it needs to be in the middle. The splice all feature on squid, if I'm not worng, extracts sites included on remote ip certificate and check against acls, no interception at all is done this way.

                              Treinamentos de Elite: http://sys-squad.com

                              Help a community developer! ;D

                              1 Reply Last reply Reply Quote 0
                              • marcellocM
                                marcelloc
                                last edited by

                                @pfsensation:

                                is there anyway to modify the block page? The standard DansGuardian one looks pretty terrible.

                                Sure, just need to edit template file on gui. Try to not include any javascript on it. At least on previous package version, pfSense GUI was including some extra code from active session.

                                Treinamentos de Elite: http://sys-squad.com

                                Help a community developer! ;D

                                1 Reply Last reply Reply Quote 0
                                • P
                                  pfsensation
                                  last edited by

                                  What browser is everyone else using for HTTPS inspection? Chrome just doesn't seem to want to accept the self signed certificate. Even though I have it installed on my system as a trusted root CA.

                                  1 Reply Last reply Reply Quote 0
                                  • marcellocM
                                    marcelloc
                                    last edited by

                                    I use chrome. What chrome complains about the site?  Is the generated certificate different from the site your are trying to access?

                                    Treinamentos de Elite: http://sys-squad.com

                                    Help a community developer! ;D

                                    1 Reply Last reply Reply Quote 0
                                    • P
                                      pfsensation
                                      last edited by

                                      @marcelloc:

                                      I use chrome. What chrome complains about the site?  Is the generated certificate different from the site your are trying to access?

                                      Chrome complains about a missing alternative name, seems like it could be an issue relating to the way Squid forges certificates.

                                      Here's a link to what I found regarding this issue, seems it's related to browsers upping security. I know you can get around this for sure since they do it at my school using smoothwall.

                                      http://stackoverflow.com/questions/43665243/chrome-invalid-self-signed-ssl-cert-subject-alternative-name-missing

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                                      • P
                                        pfsensation
                                        last edited by

                                        Found a small issue, when you block a category of domains using black list. When you try to visit any domain in that category it shows categories as : N/A, instead of showing the actual category.

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                                        • marcellocM
                                          marcelloc
                                          last edited by

                                          @pfsensation:

                                          Found a small issue, when you block a category of domains using black list. When you try to visit any domain in that category it shows categories as : N/A, instead of showing the actual category.

                                          Saw this while using Dansguardian in the past. Do you think it's an old bug or something with report template file?

                                          Treinamentos de Elite: http://sys-squad.com

                                          Help a community developer! ;D

                                          1 Reply Last reply Reply Quote 0
                                          • P
                                            pfsensation
                                            last edited by

                                            @marcelloc:

                                            @pfsensation:

                                            Found a small issue, when you block a category of domains using black list. When you try to visit any domain in that category it shows categories as : N/A, instead of showing the actual category.

                                            Saw this while using Dansguardian in the past. Do you think it's an old bug or something with report template file?

                                            Maybe an old bug, because it does seem to show the category if you use phrase lists.

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