ldap.rb

 gitlab_rails['ldap_servers'] = YAML.load <<-'EOS'  #remember to close this block with 'EOS' below
   main:  'main' is the GitLab 'provider ID' of this LDAP server
     label: 'LDAP'
     host: '_your_ldap_server'
     port: 389
     uid: 'sAMAccountName'
     method: 'plain'  "tls" or "ssl" or "plain"
     bind_dn: '_the_full_dn_of_the_user_you_will_bind_with'
     password: '_the_password_of_the_bind_user'
     active_directory: true
     allow_username_or_email_login: false
     block_auto_created_users: false
     base: ''
     user_filter: ''
      EE only
     group_base: ''
     admin_group: ''
     sync_ssh_keys: false