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2048 bit keys by default and Debian Jessie compatibility

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Nyr 2013-08-04 14:11:38 +02:00
parent 730691c8a1
commit 31040f475a
1 changed files with 18 additions and 10 deletions
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28
openvpn-install.sh
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@ -79,13 +79,13 @@ if [ -e /etc/openvpn/server.conf ]; then
. /etc/openvpn/easy-rsa/2.0/revoke-full $CLIENT . /etc/openvpn/easy-rsa/2.0/revoke-full $CLIENT
# If it's the first time revoking a cert, we need to add the crl-verify line # If it's the first time revoking a cert, we need to add the crl-verify line
if grep -q "crl-verify" "/etc/openvpn/server.conf"; then if grep -q "crl-verify" "/etc/openvpn/server.conf"; then
echo "" echo ""
echo "Certificate for client $CLIENT revoked" echo "Certificate for client $CLIENT revoked"
else else
echo "crl-verify /etc/openvpn/easy-rsa/2.0/keys/crl.pem" >> "/etc/openvpn/server.conf" echo "crl-verify /etc/openvpn/easy-rsa/2.0/keys/crl.pem" >> "/etc/openvpn/server.conf"
/etc/init.d/openvpn restart /etc/init.d/openvpn restart
echo "" echo ""
echo "Certificate for client $CLIENT revoked" echo "Certificate for client $CLIENT revoked"
fi fi
exit exit
;; ;;
@ -128,10 +128,18 @@ else
read -n1 -r -p "Press any key to continue..." read -n1 -r -p "Press any key to continue..."
apt-get update apt-get update
apt-get install openvpn iptables openssl -y apt-get install openvpn iptables openssl -y
cp -R /usr/share/doc/openvpn/examples/easy-rsa/ /etc/openvpn # easy-rsa isn't available by default for Debian Jessie and newer
if [ ! -d /etc/openvpn/easy-rsa/2.0/ ]; then
wget --no-check-certificate -O ~/easy-rsa.tar.gz https://github.com/OpenVPN/easy-rsa/archive/master.tar.gz
tar xzf ~/easy-rsa.tar.gz -C ~/
mkdir -p /etc/openvpn/easy-rsa/2.0/
cp ~/easy-rsa-master/easy-rsa/2.0/* /etc/openvpn/easy-rsa/2.0/
fi
cd /etc/openvpn/easy-rsa/2.0/ cd /etc/openvpn/easy-rsa/2.0/
# Let's fix one thing first... # Let's fix one thing first...
cp -u -p openssl-1.0.0.cnf openssl.cnf cp -u -p openssl-1.0.0.cnf openssl.cnf
# Fuck you NSA - 1024 bits was the default for Debian Wheezy and older
sed -i 's|export KEY_SIZE=1024|export KEY_SIZE=2048|' /etc/openvpn/easy-rsa/2.0/vars
# Create the PKI # Create the PKI
. /etc/openvpn/easy-rsa/2.0/vars . /etc/openvpn/easy-rsa/2.0/vars
. /etc/openvpn/easy-rsa/2.0/clean-all . /etc/openvpn/easy-rsa/2.0/clean-all
@ -154,10 +162,10 @@ else
gunzip -d server.conf.gz gunzip -d server.conf.gz
cp server.conf /etc/openvpn/ cp server.conf /etc/openvpn/
cd /etc/openvpn/easy-rsa/2.0/keys cd /etc/openvpn/easy-rsa/2.0/keys
cp ca.crt ca.key dh1024.pem server.crt server.key /etc/openvpn cp ca.crt ca.key dh2048.pem server.crt server.key /etc/openvpn
cd /etc/openvpn/ cd /etc/openvpn/
# Set the server configuration # Set the server configuration
sed -i 's|;push "redirect-gateway def1 bypass-dhcp"|push "redirect-gateway def1 bypass-dhcp"|' server.conf sed -i 's|dh dh1024.pem|dh dh2048.pem|' server.conf
sed -i 's|;push "dhcp-option DNS 208.67.222.222"|push "dhcp-option DNS 129.250.35.250"|' server.conf sed -i 's|;push "dhcp-option DNS 208.67.222.222"|push "dhcp-option DNS 129.250.35.250"|' server.conf
sed -i 's|;push "dhcp-option DNS 208.67.220.220"|push "dhcp-option DNS 74.82.42.42"|' server.conf sed -i 's|;push "dhcp-option DNS 208.67.220.220"|push "dhcp-option DNS 74.82.42.42"|' server.conf
sed -i "s|port 1194|port $PORT|" server.conf sed -i "s|port 1194|port $PORT|" server.conf
@ -186,7 +194,7 @@ else
echo "" echo ""
echo "If your server is NATed (LowEndSpirit), I need to know the external IP" echo "If your server is NATed (LowEndSpirit), I need to know the external IP"
echo "If that's not the case, just ignore this and leave the next field blank" echo "If that's not the case, just ignore this and leave the next field blank"
read -p "External IP:" -e USEREXTERNALIP read -p "External IP: " -e USEREXTERNALIP
if [ $USEREXTERNALIP != "" ]; then if [ $USEREXTERNALIP != "" ]; then
IP=$USEREXTERNALIP IP=$USEREXTERNALIP
fi fi