I have a astaro security linux v6 installed.
I have configured a internal and a external interface.
The Internet acces workes via masquerading.
This works fine after the installation.
But after 20 minutes i lose the connection to the internet (from my clients). The firewall is still online (ping from the firewall works) and the clients have a connection to the firewall. But they can no longer connect to the internet.
I tried to reinstall the firewall several times, but there is always the same problem.
Can anyone help me with this???
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