Netgate Discussion Forum
    • Categories
    • Recent
    • Tags
    • Popular
    • Users
    • Search
    • Register
    • Login

    OpenVPN client-server cannot access lan

    Scheduled Pinned Locked Moved OpenVPN
    20 Posts 7 Posters 4.1k Views
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • X
      xerovis
      last edited by

      LAN subnet is 10.1.100.0/24

      1 Reply Last reply Reply Quote 0
      • T
        tsolrm
        last edited by

        @xerovis:

        LAN subnet is 10.1.100.0/24

        That would be a problem. Put the VPN clients on an ENTIRELY different subnet, like 172.16.0.0 - 172.31.255.255

        1 Reply Last reply Reply Quote 0
        • M
          marvosa
          last edited by

          @tsolrm:

          @xerovis:

          LAN subnet is 10.1.100.0/24

          That would be a problem. Put the VPN clients on an ENTIRELY different subnet, like 172.16.0.0 - 172.31.255.255

          Yes and no.  Yes, in a routed tunnel your tunnel network needs to be on a different subnet than your LAN and everything else.  But no, he doesn't have to go to 172.16.0.0/12 because in fact his tunnel network is on an ENTIRELY different subnet:

          Tunnel Network - 10.2.100.0/24
          LAN - 10.1.100.0/24

          So, he's ok there.

          OP, as soon as you post your config and firewall rules we can tell you more.

          1 Reply Last reply Reply Quote 0
          • X
            xerovis
            last edited by

            @marvosa:

            OP, this is what we need:

            1.  Post the contents of your openvpn server config (server1.conf).  i.e.:

            • Diagnostics -> Edit file

            • Navigate to "/var/etc/openvpn"

            • Post the contents of "server1.conf"

            2.  Post screenshots of the firewall rules on your LAN and OpenVPN tab

            dev ovpns1
            verb 1
            dev-type tun
            tun-ipv6
            dev-node /dev/tun1
            writepid /var/run/openvpn_server1.pid
            #user nobody
            #group nobody
            script-security 3
            daemon
            keepalive 10 60
            ping-timer-rem
            persist-tun
            persist-key
            proto udp
            cipher AES-256-CBC
            auth SHA1
            up /usr/local/sbin/ovpn-linkup
            down /usr/local/sbin/ovpn-linkdown
            local XXX.XXX.XXX.XXX
            tls-server
            server 10.2.100.0 255.255.255.0
            client-config-dir /var/etc/openvpn-csc
            tls-verify "/usr/local/sbin/ovpn_auth_verify tls 'test-firewall' 1"
            lport 1194
            management /var/etc/openvpn/server1.sock unix
            max-clients 10
            push "route 10.1.100.0 255.255.255.0"
            ca /var/etc/openvpn/server1.ca
            cert /var/etc/openvpn/server1.cert
            key /var/etc/openvpn/server1.key
            dh /etc/dh-parameters.2048
            tls-auth /var/etc/openvpn/server1.tls-auth 0
            comp-lzo adaptive
            persist-remote-ip
            float
            topology subnet

            1 Reply Last reply Reply Quote 0
            • X
              xerovis
              last edited by

              Please find attached screenshots of my firewall rules.

              ![Screen Shot 2015-03-11 at 7.20.40 am.png](/public/imported_attachments/1/Screen Shot 2015-03-11 at 7.20.40 am.png)
              ![Screen Shot 2015-03-11 at 7.20.40 am.png_thumb](/public/imported_attachments/1/Screen Shot 2015-03-11 at 7.20.40 am.png_thumb)
              ![Screen Shot 2015-03-11 at 7.20.50 am.png](/public/imported_attachments/1/Screen Shot 2015-03-11 at 7.20.50 am.png)
              ![Screen Shot 2015-03-11 at 7.20.50 am.png_thumb](/public/imported_attachments/1/Screen Shot 2015-03-11 at 7.20.50 am.png_thumb)

              1 Reply Last reply Reply Quote 0
              • K
                kejianshi
                last edited by

                These look like LAN and WAN rules, but there also needs to be similar allow rules on the openvpn tab

                1 Reply Last reply Reply Quote 0
                • X
                  xerovis
                  last edited by

                  @kejianshi:

                  These look like LAN and WAN rules, but there also needs to be similar allow rules on the openvpn tab

                  Crap - Sorry!

                  ![Screen Shot 2015-03-11 at 8.24.04 am.png](/public/imported_attachments/1/Screen Shot 2015-03-11 at 8.24.04 am.png)
                  ![Screen Shot 2015-03-11 at 8.24.04 am.png_thumb](/public/imported_attachments/1/Screen Shot 2015-03-11 at 8.24.04 am.png_thumb)

                  1 Reply Last reply Reply Quote 0
                  • K
                    kejianshi
                    last edited by

                    I see no problem with the rules…

                    Can you go to OpenVPN: Server, edit the server and post that page here.

                    I'm a simple minded guy.  Reading that is easier for me.

                    1 Reply Last reply Reply Quote 0
                    • P
                      phil.davis
                      last edited by

                      Your settings look good to me.
                      What is it that you cannot ping on LAN?
                      Various versions of Windows will respond to ping from devices on their local subnet, but not to ping from another subnet. Make sure to turn off any firewall on the LAN device. Make sure the LAN device has default gateway pfSense LAN IP, so it can answer.

                      As the Greek philosopher Isosceles used to say, "There are 3 sides to every triangle."
                      If I helped you, then help someone else - buy someone a gift from the INF catalog http://secure.inf.org/gifts/usd/

                      1 Reply Last reply Reply Quote 0
                      • M
                        marvosa
                        last edited by

                        You have an any/any firewall rule on our openvpn tab and your config is nearly identical to my working config, so I suspect your tunnel is working as expected.

                        Most likely this is a software firewall issue.  If you're pinging a windows box, by default the windows firewall will deny ICMP echo requests from IP's sourced outside of it's local subnet.  Disable the windows firewall and test your ping.  If it works (which I suspect it will), and you want to keep the firewall enabled, you need to add a windows firewall exception that allows ICMP echo requests from all IP's.

                        1 Reply Last reply Reply Quote 0
                        • H
                          HunorR
                          last edited by

                          i have the same problem, i can connect to the vpn, i can ping the host for me it`s 192.168.5.0/24 but i can't ping nobody on the network :-[

                          1 Reply Last reply Reply Quote 0
                          • M
                            marvosa
                            last edited by

                            @HunorR:

                            i have the same problem, i can connect to the vpn, i can ping the host for me it`s 192.168.5.0/24 but i can't ping nobody on the network :-[
                            [/quote]
                            Happy to help, but start a new thread, so we can keep everything straight.

                            1 Reply Last reply Reply Quote 0
                            • W
                              washimi
                              last edited by

                              I have the same issue here. It used to run flawlessly, but suddenly stoped. I already rebuilt the server, restored the configuration and got stucked on the server. Can ping, open the url in a browser but cannot reach any of the machines on the LAN side.

                              1 Reply Last reply Reply Quote 0
                              • First post
                                Last post
                              Copyright 2025 Rubicon Communications LLC (Netgate). All rights reserved.