# /etc/strongswan.conf - strongSwan configuration file swanctl { load = pem pkcs1 x509 revocation constraints pubkey openssl random } charon-systemd { load = random nonce aes sha1 sha2 pem pkcs1 curve25519 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown fragment_size = 1400 install_routes = no }