ZCS Administrator Guide 8.0
ZCS Administrator Guide 8.0
Network Edition


Zimbra LDAP Service > Internal Authentication Mechanism

Internal Authentication Mechanism
The internal authentication method uses the Zimbra schema running on the OpenLDAP directory server. For accounts stored in the OpenLDAP server, the userPassword attribute stores a salted-SHA1 (SSHA) digest of the user’s password. The user’s provided password is computed into the SSHA digest and then compared to the stored value.
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