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All end-user systems are shipped with a hosts file (usually located in/etc). This file is normally configured to map the name localhost (the nameused by applications when they run locally) to the loopback address. It isargued, reasonably, that a forward-mapped zone file for localhost istherefore not strictly required. This manual does use the BIND 9 distributionfile localhost-forward.db (normally in /etc/namedb/master or/usr/local/etc/namedb/master) in all configuration samples for the followingreasons:
For a primary server, a zone file in raw format is expectedto be generated from a text zone file by the named-compilezone command.For a secondary server or a dynamic zone, the zone file is automaticallygenerated when named dumps the zone contents after zone transfer orwhen applying prior updates, if one of these formats is specified by themasterfile-format option.
Before you can configure the keystore, you first must define a location for it by setting the static initialization parameter WALLET_ROOT. Then, after a database restart, you must set the dynamic initialization parameter TDE_CONFIGURATION to instruct the database to retrieve the master encryption key from a software keystore, Oracle Key Vault, or other external keystores according to their documentation. The database locates this keystore by first checking the WALLET_ROOT setting. If this setting has not been created, then the database checks the sqlnet.ora file. You can create other keystores, such as copies of the keystore and export files that contain keys, depending on your needs. If you must remove or delete the keystore that you configured in the WALLET_ROOT location, then you must do so only after you have moved the TDE master encryption key in this keystore to another keystore. Then you must reset WALLET_ROOT to point to the new location of the keystore.
After you configure the software keystore location by using the WALLET_ROOT and TDE_CONFIGURATION parameters, you can log in to the CDB to create and open the keystore, and then set the TDE master encryption key. After you complete these steps, you can begin to encrypt data.
Keystores can be in the following states: open, closed, open but with no master encryption key, open but with an unknown master encryption key, undefined, or not available (that is, not present in the WALLET_ROOT/tde location).
The TDE master encryption key protects the TDE table keys and tablespace encryption keys. By default, the TDE master encryption key is a key that TDE generates. You can find if a keystore has no TDE master encryption key set or an unknown TDE master encryption key by querying the STATUS column of the V$ENCRYPTION_WALLET view.
You can manually create a master encryption ID outside the database, which is useful for Cloud environments. You also can create TDE master encryption keys for use later on, and then manually activate them.
You can set the TDE master encryption key if OPEN_MODE is set to READ WRITE. To find the status, query the OPEN_MODE column of the V$DATABASE dynamic view. (If you cannot access this view, then connect as SYSDBA and try the query again. In order to connect as SYSKM for this type of query, you must create a password file for it.)
FORCE KEYSTORE should be included if the keystore is closed. This automatically opens the keystore before setting the TDE master encryption key. The FORCE KEYSTORE clause also switches over to opening the password-protected software keystore when an auto-login keystore is configured and is currently open.
To configure an external keystore, you must first include the keystore type in the TDE_CONFIGURATION parameter setting, configure and open the external keystore, and then set the external keystore TDE master encryption key. In short, there is one external keystore per database, and the database locates this keystore by checking the keystore type that you define in the TDE_CONFIGURATION parameter.
Be aware that for external keystores, if the database is in the mounted state, then it cannot check if the master key is set because the data dictionary is not available. In this situation, the status will be OPEN_UNKNOWN_MASTER_KEY_STATUS.
If you have not previously configured a software keystore for TDE, then you must set the master encryption key. If you have already configured a software keystore for TDE, then you must migrate the database to the external key store.
Along with the current master encryption key, Oracle wallets maintain historical master encryption keys that are generated after every re-key operation that rekeys the master encryption key. These historical master keys help to restore Oracle database backups that were taken previously using one of the historical master encryption keys.
Along with the current master encryption key, Oracle keystores maintain historical master encryption keys that are generated after every re-key operation that rotates the master encryption key. These historical master encryption keys help to restore Oracle database backups that were taken previously using one of the historical master encryption keys.
This example creates a new table with an encrypted column (salary). The column is encrypted using the default encryption algorithm (AES192). Salt and MAC are added by default. This example assumes that the keystore is open and a master encryption key is set.
Table 3-3 describes the operations that are necessary to disallow or allow operations on encrypted data in user-created tablespaces and Oracle-managed tablespaces. For example, in the first scenario, both the user-created tablespaces and the Oracle-managed tablespaces are encrypted. In this case, for the encrypted data in the encrypted user-created tablespace, an administrator can close or open keystores, and shut down and open a database with an encrypted user-created tablespace. When an encrypted Oracle-managed tablespace is configured, the administrator can disallow operations by shutting down the database, and can allow operations by starting up in mount mode, opening the TDE keystore, and then opening the database. (It is necessary to open the TDE keystore before opening the database because the system may need the TDE master encryption key to decrypt the bootstrap dictionary tables, which are located in the encrypted Oracle-managed tablespace.) The N/A flags in this table refer to non-encrypted data, which you can always operate on, unless the instance is shut down.
Do not perform an online tablespace rekey operation with a master key operation concurrently. To find if any tablespaces are currently being rekeyed, issue the following query to find the rekey status of encrypted tablespaces:
Although the archive master file contains a full complement of stereo stems, we ask that you provide a bundle of completed 5.1 audio stems and a sound report. Each 5.1 stem type covered in this section needs to contain a complement of six separate audio tracks: left front (L), right front (R), center (C), sub (LFE), left surround (LS), right surround (RS). Please remember that:
Additionally, some productions will require the use of optional track stems (OP) to submit certain kinds of audio. The following should always be included in optional tracks when present in the archive master (but please note that when audio is included in an optional track, it should not appear anywhere in the M&E track):
Everything bussed to an optional track should have the same reverb, delay, EQ, compression and plug-in settings as the archive master. Please consult with your deliverables manager if you think your production needs to submit optional tracks.
Release 3.5.3 added a new feature ZOOKEEPER-2169 \"Enable creation of nodes with TTLs\". There was a major oversight when TTL nodes were implemented. The session ID generator for each server is seeded with the configured Server ID in the high byte. TTL Nodes were using the highest bit to denote a TTL node when used in the ephemeral owner. This meant that Server IDs > 127 that created ephemeral nodes would have those nodes always considered TTL nodes (with the TTL being essentially a random number). ZOOKEEPER-2901 fixes the issue. By default TTL is disabled and must now be enabled in zoo.cfg. When TTL Nodes are enabled, the max Server ID changes from 255 to 254. See the documentation for TTL in the administrator guide (or the referenced JIRAs) for more details.
3.5.3-beta is the first beta in the planned 3.5 release line leading up to a stable 3.5 release. It comprises 76 bug fixes and improvements. This release includes important security fix around dynamic reconfigure API, improvements on test infrastructure, and new features such as TTL node. 153554b96e
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