config setup
  charondebug="ike 2, knl 2, cfg 2, net 2, esp 2, dmn 2, mgr 2"

conn %default
  keyexchange=ikev1
  ike=aes256-sha1-modp1024!
  esp=aes256-sha1!
  dpdaction=clear
  dpddelay=300s
  rekey=no

conn vpn
  keyexchange=ikev1
  ike=aes256-sha1-modp1024!
  esp=aes256-sha1!
  authby=secret
  left=%defaultroute
  leftprotoport=17/1701
  right=<サーバーのIPアドレス>
  rightprotoport=17/1701
  auto=add

xl2tpd

[lac vpn]
lns = <サーバーのIPアドレス>
ppp debug = yes
pppoptfile = /etc/ppp/options.l2tpd.client
length bit = yes

option


ipcp-accept-local
ipcp-accept-remote
refuse-eap
require-chap
noccp
noauth
idle 1800
mtu 1410
m