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PFSENSE with 1 wan and multiple LAN

General pfSense Questions
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  • H
    haris013
    last edited by Mar 5, 2018, 3:21 PM

    after a little experiment i did the following at the attachment.

    I can ping 8.8.8.8 from a client connected to opt1 but it seems cant resolve addresses. ping google.com got as result unreachable host.

    Capture.PNG
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    • N
      NogBadTheBad
      last edited by Mar 5, 2018, 3:38 PM Mar 5, 2018, 3:28 PM

      What is 192.168.1.21, is it your DNS server, if it is you'll never hit that firewall rule as the traffic is blocked by the first rule to 192.168.1.0/24.

      Firewall rules are read from the top down.

      https://doc.pfsense.org/index.php/Firewall_Rule_Basics

      Andy

      1 x Netgate SG-4860 - 3 x Linksys LGS308P - 1 x Aruba InstantOn AP22

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      • H
        haris013
        last edited by Mar 5, 2018, 3:38 PM

        I changed the rules like above and everything works like a charm.

        Is that a recommended config or it works just from luck?

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        • N
          NogBadTheBad
          last edited by Mar 5, 2018, 3:45 PM

          Maybe you also want to allow NTP.

          It's sort of how I do it, but I have an alias that contain the subnets I don't want to be accessed and use that in the block rule and have it log.

          I also just use "This Firewall" rather than a specific interface and I also have a block any any at the bottom and have that set to log.

          Andy

          1 x Netgate SG-4860 - 3 x Linksys LGS308P - 1 x Aruba InstantOn AP22

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          • H
            haris013
            last edited by Mar 5, 2018, 4:41 PM

            How i will allow the ntp?

            can you help with the rule?

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            • N
              NogBadTheBad
              last edited by Mar 5, 2018, 4:55 PM

              @haris013:

              How i will allow the ntp?

              can you help with the rule?

              Untitled.jpg
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              Andy

              1 x Netgate SG-4860 - 3 x Linksys LGS308P - 1 x Aruba InstantOn AP22

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              • H
                haris013
                last edited by Mar 5, 2018, 5:09 PM

                i did this, is that correct?

                Also something more tricky, at the same physical server where the pfsense VM runs i have a several more VMs that i would like to join them at my network (LAN or OPT1 depending on the VM)

                How i can do that?

                thanks again for the help

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                • N
                  NogBadTheBad
                  last edited by Mar 5, 2018, 6:43 PM

                  @haris013:

                  i did this, is that correct?

                  Also something more tricky, at the same physical server where the pfsense VM runs i have a several more VMs that i would like to join them at my network (LAN or OPT1 depending on the VM)

                  How i can do that?

                  thanks again for the help

                  The destination is any which will work.

                  I run NTP on my router and allow NTP only to This Firewall.

                  Re "Also something more tricky, at the same physical server where the pfsense VM runs i have a several more VMs that i would like to join them at my network (LAN or OPT1 depending on the VM)" not got a clue sorry I don't run proxmox.

                  Untitled.jpg
                  Untitled.jpg_thumb

                  Andy

                  1 x Netgate SG-4860 - 3 x Linksys LGS308P - 1 x Aruba InstantOn AP22

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                  • H
                    haris013
                    last edited by Mar 5, 2018, 7:51 PM

                    ok and a final question. I would like to access the lan network when i am not at home.(office or vacations)

                    How i will achive that? i guess with VPN, can you give me some resources to read how to do that?

                    also can i allow a specific device from OPT1 to have full access at LAN and pfsense? I have an ipad connected via wifi from opt1 and i would like to manage some of my servers that are currently at lan.

                    The ipad gets an address frop OPT1 dhcp, can i create a MAC address rule to access LAN only from my ipad regardless the ip it has?

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                    • N
                      NogBadTheBad
                      last edited by Mar 5, 2018, 8:11 PM

                      https://doc.pfsense.org/index.php/IKEv2_with_EAP-MSCHAPv2

                      "also can i allow a specific device from OPT1 to have full access at LAN and pfsense? I have an ipad connected via wifi from opt1 and i would like to manage some of my servers that are currently at lan.

                      The ipad gets an address frop OPT1 dhcp, can i create a MAC address rule to access LAN only from my ipad regardless the ip it has?"

                      You'll need to do a mac address reservation in the dhcp settings for the iPad and allow that IP address, you can't do firewall rules with mac addresses.

                      Andy

                      1 x Netgate SG-4860 - 3 x Linksys LGS308P - 1 x Aruba InstantOn AP22

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                      • H
                        haris013
                        last edited by Mar 6, 2018, 5:41 PM

                        Thank you very much for the info!

                        I forgot to mention that my isp does not provide me a static ip, if I use a ddns service will I be able to do a vpn? At the certificate creation can I use the ddns domain instead of an ip?

                        Do I have to consider something else with a ddns configuration?

                        Thanks again!

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                        • D
                          Derelict LAYER 8 Netgate
                          last edited by Mar 6, 2018, 6:59 PM

                          Yes. Use the exact hostname the remote users will be connecting to as the CN and an FQDN or Hostname SAN in the certificate you create for the VPN Server.

                          Set My Identifier in the VPN Phase 1 to Distinguished name and use the exact hostname there too.

                          Chattanooga, Tennessee, USA
                          A comprehensive network diagram is worth 10,000 words and 15 conference calls.
                          DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
                          Do Not Chat For Help! NO_WAN_EGRESS(TM)

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                          • H
                            haris013
                            last edited by Mar 7, 2018, 4:42 PM

                            Thank you very much sir!

                            I have a few connectivity issues with the internet. a couple times everyday for several minutes i don't have internet access. I don't know if it is a down dsl service, a rule or something else, i just don't have internet at my devices for a few minutes. How i can troubleshoot this problem? where do i search in order to figure out whats happening?

                            Thanks in advance again!

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                            • D
                              Derelict LAYER 8 Netgate
                              last edited by Mar 7, 2018, 5:50 PM

                              https://doc.pfsense.org/index.php/Connectivity_Troubleshooting

                              Chattanooga, Tennessee, USA
                              A comprehensive network diagram is worth 10,000 words and 15 conference calls.
                              DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
                              Do Not Chat For Help! NO_WAN_EGRESS(TM)

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