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Don Burleson Blog

Data Guard Secure Redo Data Transmission Tips

Oracle Database Tips by Donald BurlesonDecember 9, 2015

Oracle Data Guard - Secure Redo Data Transmission

Oracle10g supports the secure transmission of redo data by the log transport service using a password file based authentication. To use this feature, the following instructions must to be executed on all databases participating in Data Guard configuration:

Set the remote_login_passwordfile initialization parameter to EXCLUSIVE or SHARED.
Create a password file using the orapwd utility on all databases involved in Data Guard configuration. The password for the SYS account should be identical on all the databases.

Once these two changes are made, the log transport service on the primary database authenticates the remote archival destination using the SYS password before transmitting the redo data. In Oracle10g, the log transport services will not work if a password file is not configured on all the sites and if the SYS password is not identical for all the participating databases.

The above text is an excerpt from the book: Oracle Data Guard Handbook

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