openLDAP problems

Hi, recently I have installed an ldap server for testing, but I have
2 problems, first I can’t use TLS because the client say that the
certificate is self signed, I’ve added the line “tls_checkpeer no” to
the /etc/ldap.conf file but the issue persist, the second is that I want
to have a shared address book for mozilla and I have no idea how to do
it… any help?