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| #!/bin/sh | |
| # linux firewall/forwarding | |
| modprobe iptable_nat | |
| echo 1 | tee /proc/sys/net/ipv4/ip_forward | |
| iptables -t nat -A POSTROUTING -s 10.10.10.1/2 -o eth0 -j MASQUERADE | |
| # install openvpn | |
| apt-get update && apt-get install -y openvpn | |
| cd /etc/openvpn/ | |
| INSTANCE=$(curl http://169.254.169.254/latest/meta-data/public-hostname) | |
| openvpn --genkey --secret ${INSTANCE}.key | |
| cat > openvpn.conf <<OPENVPN | |
| dev tun1 | |
| ifconfig 10.10.10.1 10.10.10.2 | |
| port 443 | |
| proto tcp-server | |
| secret ${INSTANCE}.key | |
| OPENVPN | |
| service openvpn restart | |
| # create a client.zip (for use with tunnelblick or any openvpn clients) | |
| cd /etc/openvpn/ | |
| cat > ${INSTANCE}.conf <<OPENVPN | |
| dev tun | |
| dhcp-option DNS 8.8.8.8 | |
| ifconfig 10.10.10.2 10.10.10.1 | |
| port 443 | |
| proto tcp-client | |
| redirect-gateway def1 | |
| remote ${INSTANCE} | |
| secret ${INSTANCE}.key | |
| OPENVPN | |
| apt-get install -y zip | |
| zip client.zip ${INSTANCE}.conf ${INSTANCE}.key | |
| # scp /etc/openvpn/client.zip to your machine for use | |
| # imports straight into tunnelblick on a mac |
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