Public access to VMs in NAT mode VirtualBox












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I am trying to make a vm publicly accessible and it seems I am missing something obvious. Since I do not have any control on the router, I choose NAT with port forwarding. Here are my rules:



NIC 1:           MAC: 08002794A6B4, Attachment: NAT, Cable connected: on, Trace: off (file: none), Type: 82545EM, Reported speed: 0 Mbps, Boot priority: 0, Promisc Policy: allow-all, Bandwidth group: none
NIC 1 Settings: MTU: 0, Socket (send: 64, receive: 64), TCP Window (send:64, receive: 64)
NIC 1 Rule(0): name = domain, protocol = tcp, host ip = , host port = 5353, guest ip = , guest port = 53
NIC 1 Rule(1): name = http, protocol = tcp, host ip = 0.0.0.0, host port = 8080, guest ip = 0.0.0.0, guest port = 80
NIC 1 Rule(2): name = imap, protocol = tcp, host ip = , host port = 341, guest ip = , guest port = 143
NIC 1 Rule(3): name = mysql, protocol = tcp, host ip = , host port = 6033, guest ip = , guest port = 3306
NIC 1 Rule(4): name = postgresql, protocol = tcp, host ip = , host port = 2345, guest ip = , guest port = 5432
NIC 1 Rule(5): name = ssh, protocol = tcp, host ip = , host port = 2222, guest ip = , guest port = 22


I can see that these ports are open with a nmap on the public ip of the server. Howerver:



1) the services are not accessible (ex. I can't reach the web page hosted on 8080)
2) it looks like VBOX is not listening. (from what I can see from the Host side)



netstat -nap | grep 2222
tcp 0 0 0.0.0.0:2222 0.0.0.0:* LISTEN -


I tried to allow promiscuity but it did not change a thing. Are my rules edited properly? Should I do something on the network configuration of the host?




  • HOST: Ubuntu 18.04.1 LTS

  • VIRTUALBOX: 5.2.18_Ubuntur123745










share|improve this question



























    0














    I am trying to make a vm publicly accessible and it seems I am missing something obvious. Since I do not have any control on the router, I choose NAT with port forwarding. Here are my rules:



    NIC 1:           MAC: 08002794A6B4, Attachment: NAT, Cable connected: on, Trace: off (file: none), Type: 82545EM, Reported speed: 0 Mbps, Boot priority: 0, Promisc Policy: allow-all, Bandwidth group: none
    NIC 1 Settings: MTU: 0, Socket (send: 64, receive: 64), TCP Window (send:64, receive: 64)
    NIC 1 Rule(0): name = domain, protocol = tcp, host ip = , host port = 5353, guest ip = , guest port = 53
    NIC 1 Rule(1): name = http, protocol = tcp, host ip = 0.0.0.0, host port = 8080, guest ip = 0.0.0.0, guest port = 80
    NIC 1 Rule(2): name = imap, protocol = tcp, host ip = , host port = 341, guest ip = , guest port = 143
    NIC 1 Rule(3): name = mysql, protocol = tcp, host ip = , host port = 6033, guest ip = , guest port = 3306
    NIC 1 Rule(4): name = postgresql, protocol = tcp, host ip = , host port = 2345, guest ip = , guest port = 5432
    NIC 1 Rule(5): name = ssh, protocol = tcp, host ip = , host port = 2222, guest ip = , guest port = 22


    I can see that these ports are open with a nmap on the public ip of the server. Howerver:



    1) the services are not accessible (ex. I can't reach the web page hosted on 8080)
    2) it looks like VBOX is not listening. (from what I can see from the Host side)



    netstat -nap | grep 2222
    tcp 0 0 0.0.0.0:2222 0.0.0.0:* LISTEN -


    I tried to allow promiscuity but it did not change a thing. Are my rules edited properly? Should I do something on the network configuration of the host?




    • HOST: Ubuntu 18.04.1 LTS

    • VIRTUALBOX: 5.2.18_Ubuntur123745










    share|improve this question

























      0












      0








      0







      I am trying to make a vm publicly accessible and it seems I am missing something obvious. Since I do not have any control on the router, I choose NAT with port forwarding. Here are my rules:



      NIC 1:           MAC: 08002794A6B4, Attachment: NAT, Cable connected: on, Trace: off (file: none), Type: 82545EM, Reported speed: 0 Mbps, Boot priority: 0, Promisc Policy: allow-all, Bandwidth group: none
      NIC 1 Settings: MTU: 0, Socket (send: 64, receive: 64), TCP Window (send:64, receive: 64)
      NIC 1 Rule(0): name = domain, protocol = tcp, host ip = , host port = 5353, guest ip = , guest port = 53
      NIC 1 Rule(1): name = http, protocol = tcp, host ip = 0.0.0.0, host port = 8080, guest ip = 0.0.0.0, guest port = 80
      NIC 1 Rule(2): name = imap, protocol = tcp, host ip = , host port = 341, guest ip = , guest port = 143
      NIC 1 Rule(3): name = mysql, protocol = tcp, host ip = , host port = 6033, guest ip = , guest port = 3306
      NIC 1 Rule(4): name = postgresql, protocol = tcp, host ip = , host port = 2345, guest ip = , guest port = 5432
      NIC 1 Rule(5): name = ssh, protocol = tcp, host ip = , host port = 2222, guest ip = , guest port = 22


      I can see that these ports are open with a nmap on the public ip of the server. Howerver:



      1) the services are not accessible (ex. I can't reach the web page hosted on 8080)
      2) it looks like VBOX is not listening. (from what I can see from the Host side)



      netstat -nap | grep 2222
      tcp 0 0 0.0.0.0:2222 0.0.0.0:* LISTEN -


      I tried to allow promiscuity but it did not change a thing. Are my rules edited properly? Should I do something on the network configuration of the host?




      • HOST: Ubuntu 18.04.1 LTS

      • VIRTUALBOX: 5.2.18_Ubuntur123745










      share|improve this question













      I am trying to make a vm publicly accessible and it seems I am missing something obvious. Since I do not have any control on the router, I choose NAT with port forwarding. Here are my rules:



      NIC 1:           MAC: 08002794A6B4, Attachment: NAT, Cable connected: on, Trace: off (file: none), Type: 82545EM, Reported speed: 0 Mbps, Boot priority: 0, Promisc Policy: allow-all, Bandwidth group: none
      NIC 1 Settings: MTU: 0, Socket (send: 64, receive: 64), TCP Window (send:64, receive: 64)
      NIC 1 Rule(0): name = domain, protocol = tcp, host ip = , host port = 5353, guest ip = , guest port = 53
      NIC 1 Rule(1): name = http, protocol = tcp, host ip = 0.0.0.0, host port = 8080, guest ip = 0.0.0.0, guest port = 80
      NIC 1 Rule(2): name = imap, protocol = tcp, host ip = , host port = 341, guest ip = , guest port = 143
      NIC 1 Rule(3): name = mysql, protocol = tcp, host ip = , host port = 6033, guest ip = , guest port = 3306
      NIC 1 Rule(4): name = postgresql, protocol = tcp, host ip = , host port = 2345, guest ip = , guest port = 5432
      NIC 1 Rule(5): name = ssh, protocol = tcp, host ip = , host port = 2222, guest ip = , guest port = 22


      I can see that these ports are open with a nmap on the public ip of the server. Howerver:



      1) the services are not accessible (ex. I can't reach the web page hosted on 8080)
      2) it looks like VBOX is not listening. (from what I can see from the Host side)



      netstat -nap | grep 2222
      tcp 0 0 0.0.0.0:2222 0.0.0.0:* LISTEN -


      I tried to allow promiscuity but it did not change a thing. Are my rules edited properly? Should I do something on the network configuration of the host?




      • HOST: Ubuntu 18.04.1 LTS

      • VIRTUALBOX: 5.2.18_Ubuntur123745







      networking ubuntu virtualbox nat






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      asked Dec 8 at 12:47









      David Zarebski

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