---
name: "slapd-dnssrv"
section: "5"
platform: "linux"
package: "openldap"
version: "2.7.2-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux", "macos"]
url: "https://new.carta.tech/slapd-dnssrv"
---

# slapd-dnssrv(5)

DNS SRV referral backend to slapd

## NAME

slapd-dnssrv - DNS SRV referral backend to slapd

## SYNOPSIS

/etc/openldap/slapd.conf

## DESCRIPTION

The DNSSRV backend to [**slapd**(8)](/slapd/8.md) serves up referrals based upon SRV resource records held in the Domain Name System.

This backend is experimental.

## CONFIGURATION

The DNSSRV backend has no backend nor database specific options. It is configured simply by "database dnssrv" followed a suffix directive, e.g. suffix "".

## ACCESS CONTROL

The **dnssrv** backend does not honor all ACL semantics as described in [**slapd.access**(5)](/slapd.access/5.md). In fact, this backend only implements the **search** operation when the **manageDSAit** control (RFC 3296) is used, otherwise for every operation a referral, whenever appropriate, or an error is returned. Currently, there is no means to condition the returning of the referral by means of ACLs; no access control is implemented, except for  **read (=r)** access to the returned entries, which is actually provided by the frontend. Note, however, that the information returned by this backend is collected through the DNS, so it is public by definition.

## FILES

- /etc/openldap/slapd.conf

  default slapd configuration file\

## SEE ALSO

**"OpenLDAP Root Service - An experimental LDAP referral** **service"** \[RFC 3088\],\
 **"OpenLDAP LDAP Root Service"** \<http://www.openldap.org/faq/?file=393)\>,\
 [**slapd.conf**(5)](/slapd.conf/5.md), [**slapd**(8)](/slapd/8.md)