updateserver.sh

#!/bin/bash
echo "Script made by JSBmanD for CentOS 7 via help of https://www.howtoforge.com/. Press ENTER to continue."
read KEY
echo "Enter your domain name and press [ENTER]: "
read DOMAIN
clear
echo "Entered config:"
echo "Domain: $DOMAIN"
echo "Press ENTER to continue or CTRL+Z to abort"
read KEY
clear
echo "Setup started"
clear
certbot certonly --rsa-key-size 4096 --standalone --agree-tos --no-eff-email --email ceo@$DOMAIN -d $DOMAIN
echo "0 0,12 * * * root python -c 'import random; import time; time.sleep(random.random() * 3600)' && certbot renew -q" | sudo tee -a /etc/crontab > /dev/null
cp /etc/letsencrypt/live/$DOMAIN/fullchain.pem /etc/strongswan/ipsec.d/certs/
cp /etc/letsencrypt/live/$DOMAIN/privkey.pem /etc/strongswan/ipsec.d/private/
cp /etc/letsencrypt/live/$DOMAIN/chain.pem /etc/strongswan/ipsec.d/cacerts/
mv /etc/strongswan/ipsec.conf /etc/strongswan/ipsec.conf.asli
echo "#global configuration IPsec
#chron logger
config setup
    charondebug="ike 1, knl 1, cfg 0"
    uniqueids=no
#define new ipsec connection
conn jsb-ikev-vpn
    auto=add
    compress=no
    type=tunnel
    keyexchange=ikev2
    ike=aes128-sha1-modp1024,aes128-sha1-modp1536,aes128-sha1-modp2048,aes128-sha256-ecp256,aes128-sha256-modp1024,aes128-sha256-modp1536,aes128-sha256-modp2048,aes256-aes128-sha256-sha1-modp2048-modp4096-modp1024,aes256-sha1-modp1024,aes256-sha256-modp1024,aes256-sha256-modp1536,aes256-sha256-modp2048,aes256-sha256-modp4096,aes256-sha384-ecp384,aes256-sha384-modp1024,aes256-sha384-modp1536,aes256-sha384-modp2048,aes256-sha384-modp4096,aes256gcm16-aes256gcm12-aes128gcm16-aes128gcm12-sha256-sha1-modp2048-modp4096-modp1024,3des-sha1-modp1024!
    esp=aes128-aes256-sha1-sha256-modp2048-modp4096-modp1024,aes128-sha1,aes128-sha1-modp1024,aes128-sha1-modp1536,aes128-sha1-modp2048,aes128-sha256,aes128-sha256-ecp256,aes128-sha256-modp1024,aes128-sha256-modp1536,aes128-sha256-modp2048,aes128gcm12-aes128gcm16-aes256gcm12-aes256gcm16-modp2048-modp4096-modp1024,aes128gcm16,aes128gcm16-ecp256,aes256-sha1,aes256-sha256,aes256-sha256-modp1024,aes256-sha256-modp1536,aes256-sha256-modp2048,aes256-sha256-modp4096,aes256-sha384,aes256-sha384-ecp384,aes256-sha384-modp1024,aes256-sha384-modp1536,aes256-sha384-modp2048,aes256-sha384-modp4096,aes256gcm16,aes256gcm16-ecp384,3des-sha1!
    fragmentation=yes
    forceencaps=yes
    dpdaction=clear
    dpddelay=300s
    rekey=no
    left=%any
    leftid=@$DOMAIN
    leftcert=fullchain.pem
    leftsendcert=always
    leftsubnet=0.0.0.0/0
    right=%any
    rightid=%any
    rightauth=eap-mschapv2
    rightsourceip=10.15.1.0/24
    rightdns=1.1.1.1,8.8.8.8
    rightsendcert=never
    eap_identity=%identity" > /etc/strongswan/ipsec.conf
systemctl enable strongswan
systemctl restart strongswan
clear
echo "Setup done"
echo "Press ENTER key to show config or CTRL+Z to abort"
read KEY
clear
echo "Config:"
echo "IPsec:"
cat /etc/strongswan/ipsec.conf
echo "IPsecrets:"
cat /etc/strongswan/ipsec.secrets
echo "Sysctl:"
cat /etc/sysctl.conf
echo "Done! Press ENTER to finish."
read KEY