my problem was resolved following commands, but this solution is desirable as it integrated into neorouter:
file DenyVPNports.bat: Netsh Advfirewall firewall add rule name="VPN_Deny_tcp_in" Dir=In action=block profile=any localip=10.0.0.0/24 remoteip=10.0.0.0/24 localport=20-3388,3390-65535 remoteport=20-3388,3390-65535 protocol=tcp
Netsh Advfirewall firewall add rule name="VPN_Deny_tcp_out" Dir=Out action=block profile=any localip=10.0.0.0/24 remoteip=10.0.0.0/24 localport=20-3388,3390-65535 remoteport=20-3388,3390-65535 protocol=tcp
Netsh Advfirewall firewall add rule name="VPN_Deny_udp_in" Dir=In action=block profile=any localip=10.0.0.0/24 remoteip=10.0.0.0/24 localport=20-3388,3390-65535 remoteport=20-3388,3390-65535 protocol=udp
Netsh Advfirewall firewall add rule name="VPN_Deny_udp_out" Dir=Out action=block profile=any localip=10.0.0.0/24 remoteip=10.0.0.0/24 localport=20-3388,3390-65535 remoteport=20-3388,3390-65535 protocol=udp
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