All ppp parameters that were to go into PREFIX/etc/ssltunnel/users should
go to /etc/ppp/ppp.conf for example:

default:
# set log Phase Chat LCP IPCP CCP tun command
set log Phase tun
ident user-ppp VERSION
set timeout 0
enable echo
disable ipv6cp
set ifaddr 192.168.230.13:192.168.230.20