LDAP: no reader credentials and anonymous reads disabled

Error message

LDAP: no reader credentials and anonymous reads disabled

What it means

Error "LDAP: no reader credentials and anonymous reads disabled" thrown in CanineHQ/canine.

Source

Thrown at app/services/ldap/authenticator.rb:131

      options = {
        host: config.host,
        port: config.port
      }

      encryption = net_ldap_encryption
      options[:encryption] = encryption if encryption

      if config.bind_dn.present? && config.bind_password.present?
        options[:auth] = {
          method: :simple,
          username: config.bind_dn,
          password: config.bind_password
        }
      elsif !config.allow_anonymous_reads?
        # No way to bind safely
        # Let caller see failure via bind result
        logger.info "LDAP: no reader credentials and anonymous reads disabled"
        raise "LDAP: no reader credentials and anonymous reads disabled"
      end

      Net::LDAP.new(options)
    end

    def build_user_auth_connection(user_dn, password)
      options = {
        host: config.host,
        port: config.port
      }

      encryption = net_ldap_encryption
      options[:encryption] = encryption if encryption

      ldap = Net::LDAP.new(options)
      ldap.auth(user_dn, password)
      ldap
    end

View on GitHub (pinned to ba4ee3968d)

When it happens

Trigger: Thrown at app/services/ldap/authenticator.rb:131 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of CanineHQ/canine@ba4ee3968d (2026-08-23). Data as JSON: /api/errors/5285e21838cfeb3a. Report an issue: GitHub.