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    Adding certs to firewalls

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    • bbigfordB
      bbigford @wirestyle22
      last edited by

      @wirestyle22 said in Adding certs to firewalls:

      @Dashrender said in Adding certs to firewalls:

      Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

      Traffic Inspection? What part of the Sonicwall made it your recommendation @BBigford out of curiousity? I bought an ERX and the only thing it doesn't do that I needed was content filtering. I just set up a Squid Proxy at that site.

      I didn't recommend them initially. I just replaced them with identical models when they broke and configured accordingly. They worked okay, well enough for what they needed, so I didn't opt to move them in a different direction like Watchguard/etc.

      1 Reply Last reply Reply Quote 1
      • bbigfordB
        bbigford @wirestyle22
        last edited by

        @wirestyle22 said in Adding certs to firewalls:

        @Dashrender said in Adding certs to firewalls:

        @wirestyle22 said in Adding certs to firewalls:

        @Dashrender said in Adding certs to firewalls:

        Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

        Traffic Inspection? What part of the Sonicwall made it your recommendation @BBigford out of curiousity? I bought an ERX and the only thing it doesn't do that I needed was content filtering. I just set up a Squid Proxy at that site.

        and ERX is not a UTM, it's a router.

        Right but UTM's are typically not great. I have a few Sonicwalls here.

        So did you have to install certs on those firewalls, or no?

        wirestyle22W 1 Reply Last reply Reply Quote 0
        • wirestyle22W
          wirestyle22 @bbigford
          last edited by wirestyle22

          @BBigford said in Adding certs to firewalls:

          @wirestyle22 said in Adding certs to firewalls:

          @Dashrender said in Adding certs to firewalls:

          @wirestyle22 said in Adding certs to firewalls:

          @Dashrender said in Adding certs to firewalls:

          Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

          Traffic Inspection? What part of the Sonicwall made it your recommendation @BBigford out of curiousity? I bought an ERX and the only thing it doesn't do that I needed was content filtering. I just set up a Squid Proxy at that site.

          and ERX is not a UTM, it's a router.

          Right but UTM's are typically not great. I have a few Sonicwalls here.

          So did you have to install certs on those firewalls, or no?

          No. I don't use that functionality though

          bbigfordB 1 Reply Last reply Reply Quote 0
          • JaredBuschJ
            JaredBusch @Dashrender
            last edited by

            @Dashrender said in Adding certs to firewalls:

            Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

            The that is nothing to do with a firewall and everything to do with a MITM webserver intercepting the traffic. Perfectly valid reasons to do so if desired. But it has nothing to do with a firewall.

            bbigfordB 2 Replies Last reply Reply Quote 0
            • bbigfordB
              bbigford @JaredBusch
              last edited by

              @JaredBusch said in Adding certs to firewalls:

              @Dashrender said in Adding certs to firewalls:

              Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

              The that is nothing to do with a firewall and everything to do with a MITM webserver intercepting the traffic. Perfectly valid reasons to do so if desired. But it has nothing to do with a firewall.

              http://cookbook.fortinet.com/preventing-certificate-warnings/

              JaredBuschJ 1 Reply Last reply Reply Quote 0
              • coliverC
                coliver
                last edited by

                Are you talking about certificate warnings when accessing the router? Or are you talking about certificate warnings when the firewall is a man-in-the-middle?

                bbigfordB JaredBuschJ 2 Replies Last reply Reply Quote 1
                • bbigfordB
                  bbigford @wirestyle22
                  last edited by

                  @wirestyle22 said in Adding certs to firewalls:

                  @BBigford said in Adding certs to firewalls:

                  @wirestyle22 said in Adding certs to firewalls:

                  @Dashrender said in Adding certs to firewalls:

                  @wirestyle22 said in Adding certs to firewalls:

                  @Dashrender said in Adding certs to firewalls:

                  Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

                  Traffic Inspection? What part of the Sonicwall made it your recommendation @BBigford out of curiousity? I bought an ERX and the only thing it doesn't do that I needed was content filtering. I just set up a Squid Proxy at that site.

                  and ERX is not a UTM, it's a router.

                  Right but UTM's are typically not great. I have a few Sonicwalls here.

                  So did you have to install certs on those firewalls, or no?

                  No. I don't use that functionality though

                  I wonder if it is just for deep inspection (which I don't think the SWs have, unless something has changed recently). Cause the traffic is basically intercepted by the firewall, decrypted (if encrypted), and then encrypted/resigned. Since it's been modified, the client wouldn't trust that the content is valid, except that it has a trusted cert from the firewall. I donno.

                  coliverC wirestyle22W 2 Replies Last reply Reply Quote 0
                  • bbigfordB
                    bbigford @coliver
                    last edited by

                    @coliver said in Adding certs to firewalls:

                    Are you talking about certificate warnings when accessing the router? Or are you talking about certificate warnings when the firewall is a man-in-the-middle?

                    Guessing that is for MITM, since deep inspection would decrypt/re-encrypt the traffic... I could be wrong though.

                    coliverC 1 Reply Last reply Reply Quote 0
                    • coliverC
                      coliver @bbigford
                      last edited by

                      @BBigford said in Adding certs to firewalls:

                      @wirestyle22 said in Adding certs to firewalls:

                      @BBigford said in Adding certs to firewalls:

                      @wirestyle22 said in Adding certs to firewalls:

                      @Dashrender said in Adding certs to firewalls:

                      @wirestyle22 said in Adding certs to firewalls:

                      @Dashrender said in Adding certs to firewalls:

                      Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

                      Traffic Inspection? What part of the Sonicwall made it your recommendation @BBigford out of curiousity? I bought an ERX and the only thing it doesn't do that I needed was content filtering. I just set up a Squid Proxy at that site.

                      and ERX is not a UTM, it's a router.

                      Right but UTM's are typically not great. I have a few Sonicwalls here.

                      So did you have to install certs on those firewalls, or no?

                      No. I don't use that functionality though

                      I wonder if it is just for deep inspection (which I don't think the SWs have, unless something has changed recently). Cause the traffic is basically intercepted by the firewall, decrypted (if encrypted), and then encrypted/resigned. Since it's been modified, the client wouldn't trust that the content is valid, except that it has a trusted cert from the firewall. I donno.

                      Ah you're talking about SSL filtering. You would need a valid certificate for this, unless you have one that is self-signed that you send out to local machines.

                      1 Reply Last reply Reply Quote 0
                      • wirestyle22W
                        wirestyle22 @bbigford
                        last edited by

                        @BBigford said in Adding certs to firewalls:

                        @wirestyle22 said in Adding certs to firewalls:

                        @BBigford said in Adding certs to firewalls:

                        @wirestyle22 said in Adding certs to firewalls:

                        @Dashrender said in Adding certs to firewalls:

                        @wirestyle22 said in Adding certs to firewalls:

                        @Dashrender said in Adding certs to firewalls:

                        Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

                        Traffic Inspection? What part of the Sonicwall made it your recommendation @BBigford out of curiousity? I bought an ERX and the only thing it doesn't do that I needed was content filtering. I just set up a Squid Proxy at that site.

                        and ERX is not a UTM, it's a router.

                        Right but UTM's are typically not great. I have a few Sonicwalls here.

                        So did you have to install certs on those firewalls, or no?

                        No. I don't use that functionality though

                        I wonder if it is just for deep inspection (which I don't think the SWs have, unless something has changed recently). Cause the traffic is basically intercepted by the firewall, decrypted (if encrypted), and then encrypted/resigned. Since it's been modified, the client wouldn't trust that the content is valid, except that it has a trusted cert from the firewall. I donno.

                        I'm honestly not sure. Sonicwalls in general are monstrously overpriced for what they offer though. We pay $1000 a year just for content filtering which I could do for free with Squid. I just don't see a benefit to using it. There are so many other better AND more cost effective options out there.

                        1 Reply Last reply Reply Quote 0
                        • coliverC
                          coliver @bbigford
                          last edited by

                          @BBigford said in Adding certs to firewalls:

                          @coliver said in Adding certs to firewalls:

                          Are you talking about certificate warnings when accessing the router? Or are you talking about certificate warnings when the firewall is a man-in-the-middle?

                          Guessing that is for MITM, since deep inspection would decrypt/re-encrypt the traffic... I could be wrong though.

                          That's exactly what MITM does for SSL, it decrypts outgoing/incoming traffic analyzes the data and then re-signs it on the way to either party.

                          1 Reply Last reply Reply Quote 0
                          • bbigfordB
                            bbigford @JaredBusch
                            last edited by

                            @JaredBusch said in Adding certs to firewalls:

                            @Dashrender said in Adding certs to firewalls:

                            Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

                            The that is nothing to do with a firewall and everything to do with a MITM webserver intercepting the traffic. Perfectly valid reasons to do so if desired. But it has nothing to do with a firewall.

                            But the firewall is what is inspecting the traffic, maybe I'm misunderstanding you.

                            1 Reply Last reply Reply Quote 0
                            • JaredBuschJ
                              JaredBusch @bbigford
                              last edited by

                              @BBigford said in Adding certs to firewalls:

                              @JaredBusch said in Adding certs to firewalls:

                              @Dashrender said in Adding certs to firewalls:

                              Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

                              The that is nothing to do with a firewall and everything to do with a MITM webserver intercepting the traffic. Perfectly valid reasons to do so if desired. But it has nothing to do with a firewall.

                              http://cookbook.fortinet.com/preventing-certificate-warnings/

                              That is MITM interception of web traffic and has nothing to do with a firewall. Obviously, you can run said service on the same piece of hardware as your firewall, but it is still not a damned firewall.

                              bbigfordB 1 Reply Last reply Reply Quote 1
                              • JaredBuschJ
                                JaredBusch @coliver
                                last edited by

                                @coliver said in Adding certs to firewalls:

                                Are you talking about certificate warnings when accessing the router? Or are you talking about certificate warnings when the firewall is a man-in-the-middle?

                                The link is referencing the latter.

                                1 Reply Last reply Reply Quote 1
                                • bbigfordB
                                  bbigford @JaredBusch
                                  last edited by

                                  @JaredBusch said in Adding certs to firewalls:

                                  @BBigford said in Adding certs to firewalls:

                                  @JaredBusch said in Adding certs to firewalls:

                                  @Dashrender said in Adding certs to firewalls:

                                  Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

                                  The that is nothing to do with a firewall and everything to do with a MITM webserver intercepting the traffic. Perfectly valid reasons to do so if desired. But it has nothing to do with a firewall.

                                  http://cookbook.fortinet.com/preventing-certificate-warnings/

                                  That is MITM interception of web traffic and has nothing to do with a firewall. Obviously, you can run said service on the same piece of hardware as your firewall, but it is still not a damned firewall.

                                  Okay, just trying to understand what you're trying to saying because I thought the firewall was intercepting and inspecting the traffic. Not another service.

                                  JaredBuschJ wirestyle22W DashrenderD 3 Replies Last reply Reply Quote 0
                                  • JaredBuschJ
                                    JaredBusch @bbigford
                                    last edited by

                                    @BBigford said in Adding certs to firewalls:

                                    @JaredBusch said in Adding certs to firewalls:

                                    @BBigford said in Adding certs to firewalls:

                                    @JaredBusch said in Adding certs to firewalls:

                                    @Dashrender said in Adding certs to firewalls:

                                    Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

                                    The that is nothing to do with a firewall and everything to do with a MITM webserver intercepting the traffic. Perfectly valid reasons to do so if desired. But it has nothing to do with a firewall.

                                    http://cookbook.fortinet.com/preventing-certificate-warnings/

                                    That is MITM interception of web traffic and has nothing to do with a firewall. Obviously, you can run said service on the same piece of hardware as your firewall, but it is still not a damned firewall.

                                    Okay, just trying to understand what you're trying to saying because I thought the firewall was intercepting and inspecting the traffic. Not another service.

                                    No, it is a webserver.

                                    1 Reply Last reply Reply Quote 2
                                    • wirestyle22W
                                      wirestyle22 @bbigford
                                      last edited by wirestyle22

                                      @BBigford said in Adding certs to firewalls:

                                      @JaredBusch said in Adding certs to firewalls:

                                      @BBigford said in Adding certs to firewalls:

                                      @JaredBusch said in Adding certs to firewalls:

                                      @Dashrender said in Adding certs to firewalls:

                                      Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

                                      The that is nothing to do with a firewall and everything to do with a MITM webserver intercepting the traffic. Perfectly valid reasons to do so if desired. But it has nothing to do with a firewall.

                                      http://cookbook.fortinet.com/preventing-certificate-warnings/

                                      That is MITM interception of web traffic and has nothing to do with a firewall. Obviously, you can run said service on the same piece of hardware as your firewall, but it is still not a damned firewall.

                                      Okay, just trying to understand what you're trying to saying because I thought the firewall was intercepting and inspecting the traffic. Not another service.

                                      I have these moments all the time here. Jared is correct. I'm confused frequently here 😄

                                      1 Reply Last reply Reply Quote 0
                                      • bbigfordB
                                        bbigford
                                        last edited by

                                        Found an okay link here explaining it a bit...

                                        https://technet.microsoft.com/en-us/library/ee658156.aspx

                                        1 Reply Last reply Reply Quote 0
                                        • DashrenderD
                                          Dashrender @bbigford
                                          last edited by

                                          @BBigford said in Adding certs to firewalls:

                                          @JaredBusch said in Adding certs to firewalls:

                                          @BBigford said in Adding certs to firewalls:

                                          @JaredBusch said in Adding certs to firewalls:

                                          @Dashrender said in Adding certs to firewalls:

                                          Certs absolutely can have something to do with UTM firewalls that are doing scanning at the network layer. If you're hosting your own website, then you could install your cert on the firewall, it would open the packets, scan them, then seal them back up and send them to your server.

                                          The that is nothing to do with a firewall and everything to do with a MITM webserver intercepting the traffic. Perfectly valid reasons to do so if desired. But it has nothing to do with a firewall.

                                          http://cookbook.fortinet.com/preventing-certificate-warnings/

                                          That is MITM interception of web traffic and has nothing to do with a firewall. Obviously, you can run said service on the same piece of hardware as your firewall, but it is still not a damned firewall.

                                          Okay, just trying to understand what you're trying to saying because I thought the firewall was intercepting and inspecting the traffic. Not another service.

                                          In your case it is.. because you are using a UTM -

                                          JB, now who's pulling a Scott? 😛

                                          His UTM is a firewall and a content filter.

                                          scottalanmillerS 1 Reply Last reply Reply Quote 4
                                          • scottalanmillerS
                                            scottalanmiller @Dashrender
                                            last edited by

                                            @Dashrender said in Adding certs to firewalls:

                                            JB, now who's pulling a Scott? 😛

                                            Yeah, don't be like that guy.

                                            JaredBuschJ 1 Reply Last reply Reply Quote 2
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