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Keeping Network lock active Permanently

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Im running Lubuntu, and i would like to keep network lock active, even when airVPN client is closed.


I accidentally close the program, which caused me to leak my IP.


Could someone please give me specific steps on how to achieve this thanks

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The simplest thing to do is just drop / reject everything via iptables.


When the air client starts it implements its own firewall rules, when its closed it restores the the original firewall rules.

So if the original rules are all drop / reject you should be good.



iptables -A INPUT -j DROP
iptables -A OUTPUT -j REJECT
iptables -A FORWARD -j REJECT

ip6tables -A INPUT -j DROP
ip6tables -A OUTPUT -j REJECT
ip6tables -A FORWARD -j REJECT

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Hello! I would like to know if "Network Lock" is really active when AirVPN is running on a Windows 7 based PC with ESET Smart Security installed on it. When Smart Security is installed, Windows firewall's parameters are under his control and may be they cannot be modified by AirVPN anymore ? How can one be sure of that point? Is there some test to check "Network Lock" ? Thanks for your reply. Regards.

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I´ve got the answer in another post of this forum asking the same question about Bitdefender. AirVPN Network Lock works fine with the Windows´s firwall only. If you have installed another firwall, don' nt trust Network Lock !

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