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Assessment Title
Rule Text
The WebSphere Application Server must periodically regenerate LTPA keys.
Description
Discussion Text
The encryption of authentication information that is exchanged between servers involves the Lightweight Third-Party Authentication (LTPA) mechanism. LTPA utilizes encryption keys, if LTPA is utilized, the LTPA keys must be regenerated on a regular basis. The time period must be defined, documented and accepted by the ISSO but must be performed at least annually.
Note: If LTPA keys are shared across cells, you must export the keys from the cell where the keys have been regenerated, and import into the cells whose keys have not changed. Instructions for managing the LTPA keys is provided here: https://www.ibm.com/support/knowledgecenter/en/SSAW57_9.0.0/com.ibm.websphere.nd.multiplatform.doc/ae/tsec_sslmanagelptakeys.html
Note: If LTPA keys are shared across cells, you must export the keys from the cell where the keys have been regenerated, and import into the cells whose keys have not changed. Instructions for managing the LTPA keys is provided here: https://www.ibm.com/support/knowledgecenter/en/SSAW57_9.0.0/com.ibm.websphere.nd.multiplatform.doc/ae/tsec_sslmanagelptakeys.html
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