Suricata

Which is a buffer

We should also investigate if
pub struct LdapDN(pub String); is right because this means we only accept valid utf-8 strings
when LDAP may accept arbitrary ascii buffer

Eve fields to match:
ldap.request.bind_request.name
ldap.request.add_request.entry
ldap.request.search_request.base_object
ldap.request.modify_request.object
ldap.request.del_request.dn
ldap.request.mod_dn_request.entry
ldap.request.compare_request.entry
ldap.responses[].search_result_entry.base_object
ldap.responses[].bind_response.matched_dn
ldap.responses[].search_result_done.matched_dn
ldap.responses[].modify_response.matched_dn
ldap.responses[].add_response.matched_dn
ldap.responses[].del_response.matched_dn
ldap.responses[].mod_dn_response.matched_dn
ldap.responses[].compare_response.matched_dn
ldap.responses[].extended_response.matched_dn