Routing Traffic With OpenVPN | Allan McRae

iptables -A INPUT -s -d -dport 443 -j ACCEPT iptables -A OUTPUT -d -s -j ACCEPT. iptables -I INPUT 1 -p tcp –-dport 11194 -j ACCEPT iptables -I FORWARD 1 –-source -j ACCEPT iptables -t nat -A POSTROUTING -s -j MASQUERADE. VPN Specific Configuration dh /tmp/openvpn Route all OpenVPN connections through Floating IP Oct 09, 2018 iptables - Ubuntu: VPN kills NAT - Ask Ubuntu wlan0 has internet connection until I start the OpenVPN in NetworkManager. Here are my iptables: user@server:~$ sudo iptables -S -P INPUT ACCEPT -P FORWARD ACCEPT -P OUTPUT ACCEPT -A FORWARD -i wlan0 -j ACCEPT -A FORWARD -s -i wlan0 -o eth0 -m conntrack --ctstate NEW -j ACCEPT -A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED

# START OPENVPN RULES # NAT table rules *nat :POSTROUTING ACCEPT [0:0] # Allow traffic from OpenVPN client to ens3 (change to the interface you discovered!) -A POSTROUTING -s -o ens3 -j MASQUERADE COMMIT # END OPENVPN RULES sysctl net.ipv4.ip_forward. net.ipv4.ip_forward = 1

Using OpenVPN with IPv6 | APNIC Blog Jun 09, 2017 linux - 1:1 NAT with several identical LANs - Unix & Linux

systemctl enable iptables systemctl start iptables iptables -F Update NAT settings and enable openVPN ports on your firewall iptables -A INPUT -p udp --dport 1337 -j ACCEPT. My eth0 (public traffic)ip is and eth1 (private traffic) ip is openVPN tun0 ip is I enabled the VPN for both private and public networks.

Jun 13, 2006 Using OpenVPN with IPv6 | APNIC Blog