# Download strongSwan
wget https://download.strongswan.org/strongswan-5.3.3.tar.gz 

# Extract and uncompress
tar -vzxf strongswan-5.3.3.tar.gz

cd strongswan-5.3.3

# Configure
./configure --prefix=/usr --sysconfdir=/etc  --enable-openssl --enable-nat-transport --disable-mysql --disable-ldap  --disable-static --enable-shared --enable-md4 --enable-eap-mschapv2 --enable-eap-aka --enable-eap-aka-3gpp2  --enable-eap-gtc --enable-eap-identity --enable-eap-md5 --enable-eap-peap --enable-eap-radius --enable-eap-sim --enable-eap-sim-file --enable-eap-simaka-pseudonym --enable-eap-simaka-reauth --enable-eap-simaka-sql --enable-eap-tls --enable-eap-tnc --enable-eap-ttls

# Make & install
make && make install

# IPSec start
ipsec start

# IPSec reload configuration
ipsec reload

# IPSec reload secrets
ipsec rereadsecrets

# IPSec stop
ipsec stop