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Squidguard-squid3 systempatch for use with squid3-dev

Scheduled Pinned Locked Moved Cache/Proxy
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  • A
    aGeekhere
    last edited by Oct 9, 2014, 7:33 AM Oct 9, 2014, 4:21 AM

    webstor Try restarting a few times (For some strange reason it worked after a few boots). If not then make sure that:
    -Network Address Translation is enabled
    -Proxy interface(s) is set to lan
    -Transparent Proxy interface(s) is set to lan

    Let me know if that fixes it.

    UPDATE: If the squid service does not want to start Cut all the content from Integrations then save then paste it back in it again.

    However the issue i am having now is EVERY https site shows the warning screen or This Connection is Untrusted screen (For chrome its Your connection is not private).

    This is the part that I am having trouble with "To create a CA on pfsense, go to system -> Cert Manager
    Install the CA crt as an trusted ca on each computer you want to filter ssl to avoid ssl error on each connection."

    I have created a CAs in System: Certificate Authority Manager then tried both the Internal and intermediate Certificate.

    Tried both Certificate s in CA in SSL man in the middle Filtering.

    I tried installing them in both the recommended location and also in the trusted root location, Even manually imported into chrome . This still does not fix this issue.

    Any help would be great

    UPDATE: I get NET::ERR_CERT_COMMON_NAME_INVALID, is pfsense creating the Certificate with the Wrong COMMON_NAME

    Never Fear, A Geek is Here!

    1 Reply Last reply Reply Quote 0
    • W
      webstor
      last edited by Oct 9, 2014, 7:18 PM

      Hi mehere,

      squid is running fine and bumping as it should, the problem is that squidguard is bypassed because of the server side first feature which is necessary to not run into cert errors.

      1 Reply Last reply Reply Quote 0
      • A
        aGeekhere
        last edited by Oct 9, 2014, 9:16 PM

        Hi webstor
        Where is this "server side first feature"? as I am running into https Certificate errors.

        Never Fear, A Geek is Here!

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        • W
          webstor
          last edited by Oct 10, 2014, 8:56 AM

          You have to add this to Custom ACLS (Before_Auth).

          In which cert error are you running?
          Have you imported the CA Cert already?

          Thanx.

          1 Reply Last reply Reply Quote 0
          • A
            aGeekhere
            last edited by Oct 10, 2014, 10:44 AM

            If I put (Before_Auth) in Custom ACLS then I cant connect to any https website, without it I can connect however I get the warning.

            I followed this to create the Certificate http://www.sxl.net/guides/how-to-setup-pfsense-ssl-certificate-authority/

            So my problem is the https filtering is working however the Certificate is not

            And yours is bypassing squidgard, hmm

            Never Fear, A Geek is Here!

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            • W
              webstor
              last edited by Oct 10, 2014, 11:17 AM

              Mine is working as it should, the problem is the redirect.

              Could you please post the certificate error you get when you as example go to www.facebook.com

              (please post a picture with the error).

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              • W
                webstor
                last edited by Oct 10, 2014, 11:17 AM

                And the proxy server config page?

                Thanx.

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                • A
                  aGeekhere
                  last edited by Oct 11, 2014, 12:38 PM

                  Check attachments, the error i get is that it does not like the self signed certificate that pfsense creates. Some sites do not ever let you proceed. So SSL filtering is working, however self signed certificate is not working. Any ideas?

                  error.png
                  error.png_thumb
                  squid.png
                  squid.png_thumb

                  Never Fear, A Geek is Here!

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                  • W
                    webstor
                    last edited by Oct 11, 2014, 3:54 PM

                    under custom acls please remove the forwarded_for transparent and replace it with

                    always_direct allow all
                    ssl_bump server-first all

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                    • A
                      aGeekhere
                      last edited by Oct 12, 2014, 7:52 AM Oct 12, 2014, 12:38 AM

                      always_direct allow all
                      ssl_bump server-first all

                      That was the missing link, now there is no more warnings (with the exception of pfsense admin page, which is fine).

                      Thank you very much

                      [UPDATE]

                      Now windows update can't connect with error 80072F8F.
                      Also Adobe creative cloud can not connect with error 201.
                      [Update]Add GoogleUpdate.exe to the list as well.

                      Looking at this post https://forum.pfsense.org/index.php?topic=77394.0

                      Does this fix work? How is this added in the GUI?

                      [Update]
                      This is my Custom ACLS (Before_Auth)
                      acl broken_sites dstdomain .update.microsoft.com
                      ssl_bump none broken_sites
                      always_direct allow all
                      ssl_bump server-first all

                      However windows updates still do not work.

                      Never Fear, A Geek is Here!

                      1 Reply Last reply Reply Quote 0
                      • W
                        webstor
                        last edited by Oct 12, 2014, 8:40 AM

                        Hi,

                        Of course you cannot decrypt every Site. Itunes is also not decryptable.
                        BTW: is squidguard and antivirus working?
                        As exakte is the Eicar Testvirus getting blocked?

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                        • A
                          aGeekhere
                          last edited by Oct 12, 2014, 9:54 AM Oct 12, 2014, 8:55 AM

                          How do I add the exclusions?

                          Yes squidguard and the antivirus are working and it does block the exakte file.

                          [UPDATE] Also Do you have to manually find each service to exclude?
                          e.g.
                          windows update
                          Adobe creative cloud
                          Google update
                          Antivirus update
                          other updater

                          Or can we just create a general rule that will allow all service updates, because finding all these service updates would hard and take a while and if someone comes onto the network and has some other software package that need an exclusion in order to update that would be hard to maintain.

                          Never Fear, A Geek is Here!

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                          • W
                            webstor
                            last edited by Oct 12, 2014, 12:48 PM

                            Hm, my squidguard isn't still working.

                            Are you using HAVP as antivirus?

                            Did you add more then one nat rule for ssl decryption?

                            Thanx.

                            1 Reply Last reply Reply Quote 0
                            • A
                              aGeekhere
                              last edited by Oct 12, 2014, 9:48 PM

                              Are you using HAVP as antivirus?

                              I left the squid Antivirus (clamav) as default (do not know if it is using HAVP or not, can't
                              even find a setting for it in squid)

                              Did you add more then one nat rule for ssl decryption?

                              I did not set any nat rules for ssl decryption in the Firewall, but rather in System: Advanced: Firewall and NAT and set NAT Reflection mode for port forwards to enable(pure nat).Also enabled Enable NAT Reflection for 1:1 NAT and Enable automatic outbound NAT for Reflection.

                              Hope this helps

                              Also any ideas on my above post about windows updates and other update servers?

                              Never Fear, A Geek is Here!

                              1 Reply Last reply Reply Quote 0
                              • W
                                webstor
                                last edited by Oct 14, 2014, 8:51 AM

                                Strange, is your squidguard configured as parent for squid?

                                Could you maybe post your squid.conf please?

                                Thanx.

                                1 Reply Last reply Reply Quote 0
                                • A
                                  aGeekhere
                                  last edited by Oct 14, 2014, 9:14 AM

                                  in squidgard set Blacklist proxy as the ip of pfsense

                                  Never Fear, A Geek is Here!

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                                  • W
                                    webstor
                                    last edited by Oct 14, 2014, 9:31 AM

                                    That is not working correctly, squidguard won't start if I enter the ip of pfsense in the blacklist proxy.

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                                    • A
                                      aGeekhere
                                      last edited by Oct 14, 2014, 9:38 AM

                                      Same, I have to cut every thing out of integrations then start squidgaurd then renter it back in

                                      Never Fear, A Geek is Here!

                                      1 Reply Last reply Reply Quote 0
                                      • W
                                        webstor
                                        last edited by Oct 14, 2014, 10:16 AM

                                        And after that it was working, I mean ssl bump and squidguard filtering?

                                        1 Reply Last reply Reply Quote 0
                                        • A
                                          aGeekhere
                                          last edited by Oct 14, 2014, 10:20 AM

                                          both, sometimes a restart is needed and then cut everying out from integrations, start squidgaurd and then paste it back into squid.

                                          Never Fear, A Geek is Here!

                                          1 Reply Last reply Reply Quote 0
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