User with ldap Over IPSEC

[ab2l]

Hello,

I try to do pfsense webinterface authentication throught ldap.
But the ldap server is on another site.
I made IPSEC tunnel over these 2 site.

I configure the server like documentation and another working configuration, but in this case it will not work.

Have somebody already to theses ?
any idea ?

Thanks
Sebastien