1. Joined : Oct 2016
    Posts : 4
    WIN/10
       27 Oct 2016 #1

    Cannot ping server name when connected to other VPN


    I have a local server where the Server name is setup with the server IP address.
    I can ping the server name or the IP address from my Win/10 PC.
    I also connect to several other companies using a VPN connection.
    When I am connected to one of the VPNs, I can no longer ping to my server name, only my server IP Address.
    It tries to connect to the name of my server followed by a dot and another VPN connection name.
    I was told by the server group that this a Windows issue and must be in my DNS setting within Network sharing.
    Can anyone tell me what I need to do to resolve this?
      My System SpecsSystem Spec

  2.    27 Oct 2016 #2

    Welcome to the forum. Once connected to a VPN you are not on local network so you will have problems connecting unless you have port forwarding
      My System SpecsSystem Spec


  3. Joined : Oct 2016
    Posts : 4
    WIN/10
       27 Oct 2016 #3

    Samuria said: View Post
    Welcome to the forum. Once connected to a VPN you are not on local network so you will have problems connecting unless you have port forwarding
    I have Access to my router. I see the Port Forwarding Rules. What would I need to do?
      My System SpecsSystem Spec


  4. Joined : May 2015
    Central IL
    Posts : 2,948
    EL Capitan
       28 Oct 2016 #4

    It is most likely that the VPN server is blocking Ping requests or the Gateway is. Usually VPN's will not respond to a Ping, since you are encapsulating traffic inside packets that appear to the Gateway as transparent. Depending on what VPN Server software you are using or if using the Gateway to be the VPN server, along with what you are using for the connection.

    We do not want the devices behind the wall to respond to pings from a computer outside of the LAN that is connecting via a VPN connection. We want to define in the VPN software what devices or shares that only the outside user is only allowed to be given access to. If we do want a Ping to go through the VPN, we allow ICMP requests, which is not needed, unless you have a remote server using that IP ping as a way to give a Heartbeat keep alive or for WOL to make sure that the device we wish to wake up is actually still on the network with the Static IP assigned.

    Now if you are using RDP, VNC or Teamviewer, you really are not using a VPN. You are just making a remote connection.

    VPN types
    Remote Access VPN.Site to Site VPN.
    Internet Protocol Security or IPSec:
    Layer 2 Tunneling Protocol (L2TP):
    Point to Point Tunneling Protocol (PPTP):
    Secure Sockets Layer (SSL) and Transport Layer Security (TLS):
    OpenVPN:
    Secure Shell (SSH):
      My System SpecsSystem Spec


  5. Joined : Oct 2016
    Posts : 4
    WIN/10
       28 Oct 2016 #5

    VPN


    bro67 said: View Post
    It is most likely that the VPN server is blocking Ping requests or the Gateway is. Usually VPN's will not respond to a Ping, since you are encapsulating traffic inside packets that appear to the Gateway as transparent. Depending on what VPN Server software you are using or if using the Gateway to be the VPN server, along with what you are using for the connection.

    We do not want the devices behind the wall to respond to pings from a computer outside of the LAN that is connecting via a VPN connection. We want to define in the VPN software what devices or shares that only the outside user is only allowed to be given access to. If we do want a Ping to go through the VPN, we allow ICMP requests, which is not needed, unless you have a remote server using that IP ping as a way to give a Heartbeat keep alive or for WOL to make sure that the device we wish to wake up is actually still on the network with the Static IP assigned.

    Now if you are using RDP, VNC or Teamviewer, you really are not using a VPN. You are just making a remote connection.

    VPN types
    Remote Access VPN.Site to Site VPN.
    Internet Protocol Security or IPSec:
    Layer 2 Tunneling Protocol (L2TP):
    Point to Point Tunneling Protocol (PPTP):
    Secure Sockets Layer (SSL) and Transport Layer Security (TLS):
    OpenVPN:
    Secure Shell (SSH):
    I am using a VPN created in Win 10 Settings> Network and Internet > VPN
      My System SpecsSystem Spec

  6.    28 Oct 2016 #6

    Local PC don't use DNS they use NetBIOS that's why the name won't work
      My System SpecsSystem Spec


  7. Joined : Oct 2016
    Posts : 4
    WIN/10
       28 Oct 2016 #7

    Name


    Samuria said: View Post
    Local PC don't use DNS they use NetBIOS that's why the name won't work
    The name does work on my LAN except when I have a VPN connection to somewhere else.
      My System SpecsSystem Spec


  8. Joined : May 2015
    Central IL
    Posts : 2,948
    EL Capitan
       28 Oct 2016 #8

    entrack said: View Post
    The name does work on my LAN except when I have a VPN connection to somewhere else.
    On a LAN it will use the DNS after the NetBios. In a VPN, Netbios is locked, because it requires a ICMP request. If you want to know more about VPN's and how they work, Microsoft's technet section has a lot of good information, so does Cisco's website and plenty of others that go over it. OpenVPN is now becoming the standard for doing any type of remote connection. That is because it is more secure and that it is cross platform capable.
      My System SpecsSystem Spec


 


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