Unable to communicate from OpenVPN client to the machine behind the OpenVPN server

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  • felixchan68
    Junior Member
    • Jan 2025
    • 1

    Unable to communicate from OpenVPN client to the machine behind the OpenVPN server

    Hi all, I am suffering for this issue for a long time. I would like to connect to the machine behind the OpenVPN server unfortunitely fail, hope somebody can help on this.

    OpenVPN server IP: 192.168.1.1, setup in router OpenWRT
    OpenVPN server tun subnet: 10.8.0.0
    Machine behind the Server subject: 192.168.1.32

    I turn off the firewall in OpenVPN server for testing purpose in order to ensure not related to any firewall issues.

    I successfully connect OpenVPN server from public IP using mydomain.com 1194 udp

    Result:
    😀OpenVPN client can accces 192.168.1.1
    😖OpenVPN client fail to access 192.168.1.32

    Configuration summary:
    OpenVPN server config (server.conf) OpenVPN client config (client.ovpn)
    user nobody
    group nogroup
    dev tun
    port 1194
    proto udp
    server 10.8.0.0 255.255.255.0
    client-to-client
    keepalive 10 60
    persist-tun
    persist-key
    push "route 10.8.0.0 255.255.255.0"
    push "dhcp-option DNS 192.168.1.1"
    push "dhcp-option DOMAIN lan"
    push "redirect-gateway def1"
    push "persist-tun"
    push "persist-key"​
    user nobody
    group nogroup
    dev tun
    nobind
    client
    remote mydomain.com 1194 udp​
    Please advise the any missing steps, thank you very much.
  • doston03
    Junior Member
    • Jan 2025
    • 1

    #2
    I have similiar issue in kali linux, I can connect to vpn but I can not reach target

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