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I would want to allow the access to VPN service only to client come from dynamic IP.
this dynamic IP have DDns so i put in winroute source rule the DDns host (******
the problem is: when the dynamic IP change winroute need many hours to understand that the real IP of ****** is change.

seems that winroute keep the old IP for many hours because it do not refresh host resolution.

how can i push winroute to resolve host address everytime??
others solution??


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Perhaps turning off the DNS cache will do the trick... (This might result in overall slower DNS resolution, but that's not really likely in commen scenario's. It just means every DNS requests will go to your ISP's DNS server.)

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thank you for your quick reply,

it is difficult to think to slow resolution
I do not use winroute DNS forward, winroute is installed on 2003 server with DNS server on.
the strange thing is: if on the same server i try to ping DDns host from cmd, the DDns resolution is correct, so i do not understand why winroute do not allow the access.

the only answer that i can find is: winroute do not query to DNS server

on the filter log i see that winroute deny the access to the real IP of DDns host.
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