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    Port Forwarding ESXi VM no joy !

    Scheduled Pinned Locked Moved General pfSense Questions
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    • stephenw10S
      stephenw10 Netgate Administrator
      last edited by

      pfSense is not running in ESXi here? It's upstream of that?

      The server in ESXi is using an IP in the pfSense LAN subnet directly? Is it statically configured?
      Do you see it in the ARP table in pfSense?

      @dhenzler said in Port Forwarding ESXi VM no joy !:

      The routing is correct pfSense reports the routing as ?.?.?.0 routed to ?.?.?.0:30 which is correct

      Where are you seeing that exactly? Those IPs are unusual (0 last octet) and the destination as port 30 is also...odd.

      Try to connect to the server from something external and then check the state table in pfSense. You should see the incoming connection create states on WAN and LAN.

      Steve

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        dhenzler @stephenw10
        last edited by dhenzler

        The WAN IP's are what was assigned by my ISP. Including the /30
        The ESXi VM works but is only visible on the LAN. All of the other Port Forward rules I've created are working... so I must not be a total idiot !

        @stephenw10 ipv4_routes.png
        ESXi_Network.png
        ssh -vvv root@192.168.15.159 <== the web-server ip

        The authenticity of host '192.168.15.159 (192.168.15.159)' can't be established.

        ECDSA key fingerprint is SHA256:97vKVNNToueigzZMO7dYK8AGTWdVcontohO1B7kszZo.

        I've tried ESXi on a DL-380eGen8 and it does the same thing. Beginning to think the issue is VMware related... But how does pfSense know that the IP should not be forwarded... or is the IP really empty unless viewed on the LAN?

        I'm in beyond my depth...

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        • stephenw10S
          stephenw10 Netgate Administrator
          last edited by

          Ah, OK. /30 subnets for routing is fine. :30 looks like a port which would be odd.

          Ok, so let's see your port forward rules.

          You are testing access using ssh on the default port (22) I assume from another host in the LAN?

          Are you expecting that to work externally?

          Steve

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            dhenzler @stephenw10
            last edited by

            @stephenw10
            Just completed "yet another test"... and now know the issue lies with FreeBSD.
            I have a DL380g7 server that uses ESXi 6.7 and it has a Linux Mint system set up for LAMP stack. It serves 8 of my private use websites flawlessly. But I suspected FreeBSD without the GUI and all would likely be a better choice for the purpose. So have built a FAMP stack on it, and it works quite nicely. But for the issue of being blocked by pfSense...

            I've run through several versions of ESXi in an attempt to deal with a problem that is unrelated. Some people have said this and that doesn't work. I have two Blue Iris camera systems that serve via the same public IP as the Linux webserver. All have worked flawlessly for 5 or more years. Using the 380g7 box.

            Go figure !
            I'm in the DUH ! mode right now... totally beyond me...

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              dhenzler @dhenzler
              last edited by dhenzler

              This is how I've done all of my Port Forwarding rules.. this one is ported to 83 so as not to interfere with the production server.
              @dhenzler 192.168.15.142.png

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              • stephenw10S
                stephenw10 Netgate Administrator
                last edited by

                Using port forwards that pass that traffic like that rather than using an associated firewall rule is quite unusual. It could cause problems if you have multiple WANs.

                It sounds like the FreeBSD server is blocking access from outside it's subnet. Like you have enabled pf or ipfw there.

                Steve

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                  dhenzler
                  last edited by dhenzler

                  @stephenw10
                  I suppose so... but the likelyhood of me ever getting two WAN addresses is NOT happening.

                  I spent a half hour trying to find any signs of a BSD firewall to no avail. Perhaps iptables... but haven't learned how to check that. I did attempt to set the gateway address, and it came back that it had already been set.
                  I am truely dumfounded by this...
                  std-famp.txt
                  The file above is a .sh script that I used to create the server. I can't find anything in it that would kill the server.
                  Tried setting Apache on port 8080, and reconfigured the forwarding to use that. No Dice!
                  I am pleased that I've discovered the ESXi is not at fault, and now just need to figure out the mode of failure...

                  Thanks for your continued interest... Maybe you'll figure something out.

                  I'm heading to bed.

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                  • stephenw10S
                    stephenw10 Netgate Administrator
                    last edited by

                    Well I would still do the same test: try to connect externally then check the states created in pfSense. Those have to look good before digging any deeper.

                    If it is some source address restriction in the server (or something in front of it) then adding an outbound NAT rule on LAN in pfSense will work around that and prove it.

                    Steve

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                      dhenzler @stephenw10
                      last edited by

                      @stephenw10

                      is this the rule method...?Screenshot from 2022-05-18 12-38-07.png

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                      • stephenw10S
                        stephenw10 Netgate Administrator
                        last edited by

                        No, a firewall matching that would be destination 192.168.15.162, since it applies to traffic after NAT has been applied. And it would have a source set as that could be any external IP.

                        But if you just edit the port forward and set 'Filter rule association' to 'Add associated filter rule', which is the default setting, then it will add the correct firewall rule for you.

                        Steve

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                          dhenzler @stephenw10
                          last edited by dhenzler

                          @stephenw10

                          Ok did that... as well played with ESXi's passthrough feature. Thought I'd set two of the 4 NIC's up as real hardware. Unfortunately they are still NOT considered as external. Been looking to see if there's a path to make them actually external.

                          This is SO frustrating. I'm Network litterate enough to know enough to get by, but things like this require a LOT of reading to configure and benefit from.

                          SR-IOV doesn't work with this hardware... perhaps if I looked for a more recent driver. What's strange to me is that the server NIC's are the path to the LAN for everything else. But blocked for BSD... Strange !

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                          • stephenw10S
                            stephenw10 Netgate Administrator
                            last edited by

                            Are you at least seeing the correct state created on WAN and LAN in pfSense when you try to connect?

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                              dhenzler @stephenw10
                              last edited by

                              @stephenw10

                              I'm not sure I'd know the correct state if it fell on me !
                              Wish the ESXi NIC thing would have worked. I can by the way ping out from BSD, and see the response... so that says something. I guess I could try firing up WireShark.

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                                dhenzler @stephenw10
                                last edited by dhenzler

                                @stephenw10
                                New info may shed some light on a solution...Screenshot from 2022-05-19 00-45-14.png

                                https://www.intel.com/content/www/us/en/support/articles/000005722/ethernet-products.html

                                Frequently Asked Questions for SR-IOV on Intel® Ethernet Server...
                                Intel® Network Adapter FreeBSD* Virtual Function Driver for Intel® Ethernet Controller 700 and E810 Series; ... Windows Server 2012* R2, Windows Server 2016*, and Windows Server 2019* include support for SR-IOV-capable network devices. An SR-IOV virtual function of a physical network adapter can assign directly to a virtual machine. Earlier ...

                                I'm going to follow up on this path for a bit...

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                                • stephenw10S
                                  stephenw10 Netgate Administrator
                                  last edited by

                                  If you have a port forward like this:
                                  Screenshot from 2022-05-19 12-50-56.png

                                  And you try to connect to it from the WAN side you should see states like this:
                                  Screenshot from 2022-05-19 12-52-08.png

                                  There are no replies shown there because there is no server at 192.168.22.87 listening on port 5555. But the traffic is still NAT'd and routed as expected with states on both WAN and LAN.

                                  Steve

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                                    dhenzler @stephenw10
                                    last edited by

                                    @stephenw10
                                    This is what I got...
                                    states_test.png

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                                    • stephenw10S
                                      stephenw10 Netgate Administrator
                                      last edited by

                                      You are testing from inside the network, the source IP is 192.168.15.39.

                                      You have to test from outside the network to hit a port forward on WAN. If you need that to work from the LAN side you have to enable NAT reflection. And it looks like you must have done that since it is redirecting but you have not set 'Enable automatic outbound NAT for Reflection' in Sys > Adv > Firewall&NAT. And that means the server is replying directly to the client creating an asymmetric route.

                                      Enable that or test from an external IP address.

                                      Steve

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                                        dhenzler @stephenw10
                                        last edited by dhenzler

                                        @stephenw10
                                        states_test.png
                                        my server isn't on 240...? 240 is the ring doorbell...

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                                        • stephenw10S
                                          stephenw10 Netgate Administrator
                                          last edited by

                                          Ok, then the wrong port forward rule is catching it. Possibly a 1:1 rule but port forwards override those if they match.

                                          Let's see you port forwards.

                                          Steve

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                                            dhenzler @stephenw10
                                            last edited by

                                            @stephenw10
                                            Changed the order put doorbell last...
                                            states_test.png

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