Overview of Profile Configuration File The sqlnet. It resides on the client machines and the database server. Profiles are stored and implemented using this file. The database server can be configured with access control parameters in the sqlnet. These parameters specify whether clients are allowed or denied access based on the protocol. The parameter is added manually to the file. Usage Notes Oracle recommends setting this parameter in both the client-side and server-side sqlnet. When the configured values of client and database server do not match for a session, the lower of the two values is used. You can override this parameter for a particular client connection by specifying the parameter in the connect descriptor for a client. Usage Notes If turned off, then the parameter enables Oracle Net to send and receive break messages. If turned on, then the parameter disables the ability to send and receive break messages. Once enabled, this feature applies to all protocols used by this client. Usage Notes When this parameter is set, the default domain name is automatically appended to any unqualified net service name or service name. For example, if the default domain is set to us. Usage Notes The parameter value is Boolean. Usage Notes The parameter value -1 is for infinite timeout. Default 15 seconds Values Values are in seconds. The range is -1 to the number of seconds acceptable for your environment. There is no upper limit. Usage Notes The parameter value is Boolean. The connection will effectively stay open for the duration of the process. If the connection is lost, then it is re-established as needed. Every subsequent lookup opens the connection, performs the lookup, and closes the connection. Usage Notes You can override this parameter for a particular client connection by specifying the parameter in the connect descriptor for a client. Usage Notes The complete path of the text file must be specified in the sqlnet. Default Ora-28040 no matching authentication protocol oracle 12c Values Name of the file for which the database owner has read permissions. Usage Notes The complete path of the text file must be specified in the sqlnet. Default None Values Name of the file for which the ora-28040 no matching authentication protocol oracle 12c owner has read permissions. Usage Notes You can override this parameter for a particular client connection by specifying the parameter in the connect descriptor for a client. A greater value means the server is less compatible in terms of the protocol that clients must understand in order to authenticate. The server is also more restrictive in terms of the password version that must exist to authenticate any specific account. The new passwords are case sensitive. When an account password is changed, the earlier 10G case-insensitive password version is automatically removed. It may be necessary to reset the password for that account. The client must support certain abilities of an authentication protocol before the server will authenticate. The following is the list of all client abilities. Some clients do not have all abilities. Clients that are more recent have all the capabilities of the older clients, but older clients tend to have less abilities than more recent clients. A higher ability is more recent and secure than a lower ability. Clients that are more recent have all the capabilities of the older clients. Clients using releases earlier than Oracle Database release 11. Clients using releases earlier than Oracle Database release 11. If authentication has been installed, then it is recommended that this parameter be set to either none or to one of the listed authentication methods. The server falls back to the ones lower on the list if the ones higher on the list were unsuccessful. This authentication is applicable to administrative connections only. An example of a connection is as follows. This is because the user name and password are ignored by the server due to checking the group membership first. Usage Notes This identifier is passed to the listener with any connection request, and is included in the audit trail. The identifier can be any alphanumeric string up to 128 characters long. Usage Notes The compression levels are used at time of negotiation to verify which levels are used at both ends, and to select one level. Default None Values Full path name of the operating system file that has the public keys. Usage Notes Clients discover the down state of server hosts when attempting connections. When a connection attempt fails, the information about the down state of the server host is added to the client process cache. Subsequent connection attempts by the same client process move the down hosts to the end of the address list, thereby reducing the priority of such hosts. Usage Notes Setting a value greater than 0 ensures that connections are not left open indefinitely, due to an abnormal client termination. This parameter is primarily intended for the database server, which typically handles multiple connections at any one time. This can also result in degraded network performance. Usage Notes If the client fails to establish a connection and complete authentication in the time specified, then the database server terminates the connection. The default value of this parameter is appropriate for typical usage scenarios. However, if you need to explicitly set a different value, then Oracle recommends setting this parameter in combination with the parameter in the listener. If clients are unable to complete connections within the specified time due to system or network delays that are normal for the particular environment, then increment the time as needed. This option is supported for all operating systems with such a feature. It is the default configuration for Kerberos clients. This option is supported for all operating systems with such a feature. The parameter also specifies the file is created by the system, and not by the client. This option is supported for all operating systems with such a feature. Usage Notes If an Oracle Net connection is not established in the time specified, then the connect attempt is terminated. Additionally, the outbound connect timeout interval includes the time taken to be connected to an Oracle instance providing the requested service. This parameter is overridden by the parameter in the address description. A client must send some data within the time interval. Usage Notes Setting this parameter is recommended for environments in which clients shut down on occasion or abnormally. Without this parameter, the database server may continue to wait for data from clients that may be down or are experiencing difficulties. You can also set this parameter on the client-side to specify the time, in seconds, for a client to wait for response data from the database server after connection establishment. Without this parameter, the client may wait ora-28040 no matching authentication protocol oracle 12c long period of time for a response from a database server saturated with requests. If you choose to set the value, then set the value to an initial low value and adjust according to system and network capacity. If necessary, use this parameter with the parameter. Usage Notes Setting this parameter is recommended for environments in which clients shut down occasionally or abnormally. Without this parameter, the database server may continue to send responses to clients that are unable to receive data due to a downed computer or a busy state. You can also set this parameter on the client-side to specify the time, in seconds, for a client to complete send operations to the database server after connection establishment. Without this parameter, the client may continue to send requests to a database server already saturated with requests. If you choose to set the value, then set the value to an initial low value and adjust according to system and network capacity. If necessary, use this parameter with the parameter. Usage Notes When wallets are used for authentication, the database credentials for user name and password are securely stored in an Oracle wallet. The auto-login feature of the wallet is turned on so the database does not need a password to open the wallet. From the wallet, the database gets the credentials to access the database for the user. Wallet usage can simplify large-scale deployments that rely on password credentials for connecting to databases. When this feature is configured, application code, batch jobs, and scripts do not need embedded user names and passwords. Risk is reduced because such passwords are no longer exposed in the clear, and password management policies are more easily enforced without changing application code whenever user names or passwords change. This simplifies the maintenance of the scripts and secures the password management for the applications. Middle-tier applications create an Oracle Applications wallet at installation time to store the application's specific identity. The password may be randomly generated rather than hardcoded. The new wallet-based password authentication code uses the password credential in the Oracle Applications wallet to log on to the database. You can use this file alternatively or in addition to the parameter. This parameter is only valid if is set to either requested or required. Oracle recommends that you do not use these cipher suites to protect sensitive data. However, they are useful if the communicating parties want to remain anonymous or simply do not want the overhead caused by mutual authentication. Not enforcing the match allows the server to potentially fake its identify. In addition to the sqlnet. In this example, the default timeout setting of 60 would cause a timeout in 120 seconds. Usage Notes This parameter is only valid when the parameter is set to yes. Usage Notes If this parameter is set to yes, then incoming connections are allowed only if they originate from a node that conforms to list specified by or parameters. Usage Notes If set to true, then the parameter routes the client to a protocol address for Oracle Connection Manager. If no Oracle Connection Manager addresses are available, then connections are routed through any available ora-28040 no matching authentication protocol oracle 12c address. Usage Notes It overrides the current value of the parameter in the tnsnames. This way connections from this client use a process, even if is configured. The problems are critical errors such as those caused by database code bugs, metadata corruption, and customer data corruption. When a critical error occurs, it is assigned an incident number, and diagnostic data for the error, such as traces and dumps, is immediately captured and tagged with the incident number. The data is then stored in thea file-based repository outside the database. Values Any valid directory path to a directory with write permission. Default The current working directory. Values Any valid directory path to a directory with write permission. The process identifier pid is appended to the name automatically. Usage Notes When the size is met, the trace information is written to the next file. The number of files is specified with the parameter. Usage Notes When the size is met, the trace information is written to the next file. The number of files is specified with the parameter. Usage Notes When this parameter is set with the parameter, trace files are used in a cyclical fashion. The first file is filled first, then the second file, and so on. When the last file has been filled, then the first file is re-used, and so on. The trace file names are distinguished from one another by their sequence number. For example, if the default trace file of sqlnet. In addition, trace events in the trace files are preceded by the sequence number of the file. Usage Notes When this parameter is set with the parameter, trace files are used in a cyclical fashion. The first file is filled first, then the second file, and so on. When the last file has been filled, then the first file is re-used, and so on. The trace file names are distinguished from one another by their sequence number. In addition, trace events in the trace files are preceded by the sequence number of the file. Usage Notes When the value is set to on, a process identifier is appended to the name of each trace file, enabling several files to coexist. For example, trace files named sqlnet pid. When the value is set to off, data from a new client trace session overwrites the existing file.
