Hi all, sorry for my english ! i want to thank every all the member of this list for help that was given to me already . i'm going o introduce my subject. i configured a Radius server with LDAP and a router CISCO VPN . every thing is works with no problem! i can authentificate from my router cisco to the radius server i can authentificate from radius server to ldap server Every thing is OK !! i can also make a connection with my vpn router using the softwar ( UGent Vpn ) on a client machine i have some user on the ldap data base and i want to make test on my client machine . Do you know the software that can make a connection to the ldap using vpn connection ? any ideas will be appreciated thank you very much -- uness