Hi there,
we've a problem. At first a little view to our network settings:
[PHP]Public Router +
|- Firewall 1 - Astaro - LAN
Router +[/PHP]
All devices running in bridged/drop in mode. Public router forwards packets to our Astaro (VPN) and internal Server. We're using two different IP adresses.
We removed "Firewall 1" because it's running as packet filter only. After this only connections to our Astaro will be forwarded. Connections to our internal server failed, in most cases. Networking with "Firewall 1" between Routers and Astaro works fine... We don't know why.
But now "Firewall 1" is dead.
Our IT partner setup a NAT-Rule for connections to our internal server (to find the way back). Sorry, I'm not in the office so I can't say D- or S-NAT...
In most cases it works. But connecting to the Astaro for VPN failed in all cases. I think it's related to the NAT-Rule.
My thought for solving the problem was: Our Router forwards all packets to our Astaro. From all used IP addresses. In our Astaro's DNS settings there is a static entry for our public address of our internal server to it's IP. And so the connetions to our internal server from internal or external networks will be handled by the Astaro. And connecting for VPN will work to. Without any NAT-Rule.
Or has there anyone an other suggestions?
--
Kind regards,
Steffen
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