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    E2Guardian: Failed to negotiate ssl connection to client

    Scheduled Pinned Locked Moved Cache/Proxy
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    • R
      ravegen
      last edited by

      @susamlicubuk:

      Create a new alias in the firewall + alias section
      into
      Add your bypass domains like d.dropbox.com, client.dropbox.com
      then this alias is the name
      Bypass Proxy for These Destination IPs
      Write to section
      this is how I work using dropbox

      can I use *.dropbox.com instead of specifying the subdomain ?

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      • S
        susamlicubuk
        last edited by

        @ravegen:

        @susamlicubuk:

        Create a new alias in the firewall + alias section
        into
        Add your bypass domains like d.dropbox.com, client.dropbox.com
        then this alias is the name
        Bypass Proxy for These Destination IPs
        Write to section
        this is how I work using dropbox

        can I use *.dropbox.com instead of specifying the subdomain ?

        no but
        It would be better if there was another partition to do the ssl bypass and if the domains could be written
        because it is a bit unstable when you add the alias section
        marcello maybe can.

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        • R
          ravegen
          last edited by

          What is the relationship of adding Pass Rule in the firewall for that sites while I am using E2Guardian for filtering ?

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          • S
            susamlicubuk
            last edited by

            You are bypassing e2Guardian because ssl is a filtering problem
            e2Guardian with firewall rule is very different things
            e2Guardian squidGuard alternative content filter software
            and much faster

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            • R
              ravegen
              last edited by

              ok.  so d.dropbox.com, client.dropbox.com is already known as you gave it to me.  but what about other sites that our 3rd party application use.  How will I know them ?

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              • S
                susamlicubuk
                last edited by

                I see and bypass the access log
                Why do you want the ssl filter so much
                I do not install SSL certificates in some institutions
                It can make very stable filter while loading (http and https)
                only in the https sites are banned warning does not come

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                • marcellocM
                  marcelloc
                  last edited by

                  e2guardian can only intercept https sites but some applications like dropbox and skype user same port 443 but with another protocol(most proprietary).

                  That's why you can't intercept it. You can try to include skype.com and dropbox.com on e2guardian exception list to do not intercept these connections or add on firewall alias like susamlicubuk posted.

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

                  Help a community developer! ;D

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                  • P
                    pfsensation
                    last edited by

                    @marcelloc:

                    e2guardian can only intercept https sites but some applications like dropbox and skype user same port 443 but with another protocol(most proprietary).

                    That's why you can't intercept it. You can try to include skype.com and dropbox.com on e2guardian exception list to do not intercept these connections or add on firewall alias like susamlicubuk posted.

                    Its SSL pinning, the developers of these programs bake the CA cert into the program so that fake certs like the ones from E2 Guardian cannot be used to intercept traffic.

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                    • R
                      ravegen
                      last edited by

                      so to block dropbox, skype, yahoo messenger is to mitm ssl disrupting connection and to allow them under mitm ssl connection is to place them on exemption, right?

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                      • P
                        pfsensation
                        last edited by

                        @ravegen:

                        so to block dropbox, skype, yahoo messenger is to mitm ssl disrupting connection and to allow them under mitm ssl connection is to place them on exemption, right?

                        Pretty much, yes. Although if you completely want to block them, use banned list and don't rely on the SSL pinning to block it as the developers of the platform can change things.

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