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Re: 2.4.22 mirrormode syncrepl credential password encryption


Although I use cn=config instead of slapd.conf, my setup is similar.
I've created one user (e.g. cn=replicator) with global read access. Created a certificate (and private key) for that user and mapped it to the user via:

olcAuthzRegexp: {0}"cn=certificate data comes here" "cn=replicator"

then my replica line looks like this:

olcSyncrepl: {0}rid=001 provider=ldap://firstserver bindmethod=sasl saslmech=external
 authcid="cn=certificate data comes here" starttls=critical tls_cert=/path/to/the/cert
 tls_key=/path/to/the/privatekey tls_cacert=/path/to/the/cacert tls_reqcert=demand searchbase=
  "dc=example,dc=com" type=refreshAndPersist retry="5 5 300 5" timeout=1


I have version 2.4.22 running with mirrormode enabled and it is working well.

I have a question regarding the credentials field in the syncrepl part in slapd.conf.

Must this be cleartext or can it be encrypted and what is considered good practise
regarding which binddn to use.  (e.g. should I create a user with cleartext password
specifically for replication?)

Up to now I have used the same binddn as my rootdn but I can only get this to work
with a cleartext password and I don't want to have my rootpw as cleartext in slapd.conf.

Here is my current slapd.conf snippet

database        bdb
suffix          "dc=example,dc=com"
rootdn          "cn=Manager,dc=example,dc=com"
moduleload      syncprov

overlay syncprov
syncprov-checkpoint 1 1
syncprov-sessionlog 100

# Cleartext passwords, especially for the rootdn, should
# be avoid.  See slappasswd(8) and slapd.conf(5) for details.
# Use of strong authentication encouraged.
rootpw          secret
# The database directory MUST exist prior to running slapd AND
# should only be accessible by the slapd and slap tools.
# Mode 700 recommended.
directory       /var/lib/ldap
# Indices to maintain
index   objectClass     eq

syncrepl rid=123
  retry="5 5 300 +"

mirrormode on

Any help would be appreciated.  Thanks.

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