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I am using CentOS 7 minimal. I am trying to set up OpenVPN and after configuring iptables my ens33 adapter is no longer able to get an IP address from DHCP. I did ifup, nmtui activation, removing and adding network adapter again, etc.... but none of them worked. Please give me a hand on this.

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  • What happens if you shut down iptables ? Could very well be a firewall issue and the solution is to allow ports 67 & 68 UDP. – Anonymous Dec 3 at 20:46

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