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https://github.com/namibia/openvpn-install.git
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enable tls-auth and perfect forwarding secrecy
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parent
891951fec8
commit
3e913ea286
@ -56,6 +56,10 @@ newclient () {
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echo "<key>" >> ~/$1.ovpn
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cat /etc/openvpn/easy-rsa/pki/private/$1.key >> ~/$1.ovpn
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echo "</key>" >> ~/$1.ovpn
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echo "key-direction 1" >> ~/$1.ovpn
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echo "<tls-auth>" >> ~/$1.ovpn
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cat /etc/openvpn/tls-auth.key >> ~/$1.ovpn
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echo "</tls-auth>" >> ~/$1.ovpn
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}
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@ -273,6 +277,8 @@ set_var EASYRSA_DIGEST "sha384"" > vars
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./easyrsa build-server-full server nopass
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./easyrsa build-client-full $CLIENT nopass
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./easyrsa gen-crl
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# generate tls-auth key
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openvpn --genkey --secret /etc/openvpn/tls-auth.key
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# Move the stuff we need
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cp pki/ca.crt pki/private/ca.key pki/dh.pem pki/issued/server.crt pki/private/server.key /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn
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# Make cert revocation list readable for non-root
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@ -334,7 +340,9 @@ tls-version-min 1.2" > /etc/openvpn/server.conf
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echo "keepalive 10 120
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persist-key
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persist-tun
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crl-verify crl.pem" >> /etc/openvpn/server.conf
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crl-verify crl.pem
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tls-server
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tls-auth tls-auth.key 0" >> /etc/openvpn/server.conf
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# Enable net.ipv4.ip_forward for the system
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if [[ "$OS" = 'debian' ]]; then
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sed -i 's|#net.ipv4.ip_forward=1|net.ipv4.ip_forward=1|' /etc/sysctl.conf
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@ -425,7 +433,8 @@ persist-tun
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remote-cert-tls server
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cipher AES-256-CBC
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auth SHA512
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tls-version-min 1.2" > /etc/openvpn/client-common.txt
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tls-version-min 1.2
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tls-client" > /etc/openvpn/client-common.txt
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if [[ "$VARIANT" = '1' ]]; then
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# If the user selected the fast, less hardened version
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# Or if the user selected a non-existant variant, we fallback to fast
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