I will explain sqlnet.ora file in Oracle in this post.
sqlnet.ora file in Oracle
The sqlnet.ora file is very important file for database server and client machines, because it includes the profile configuration file ( tracing options, encryption, route of connections, external naming parameters etc).
Database server can be configured with access control parameters using the sqlnet.ora file.
sqlnet.ora is located under $ORACLE_HOME/network/admin directory.
Sample sqlnet.ora file is as follows.
NAMES.DIRECTORY_PATH= (LDAP, TNSNAMES, HOSTNAME) NAMES.DEFAULT_DOMAIN = ORACLE.COM TRACE_LEVEL_CLIENT = ON SQLNET.EXPIRE_TIME = 60 SQLNET.IDENTIX_FINGERPRINT_DATABASE = MSDB AUTOMATIC_IPC = ON SQLNET.AUTHENTICATION_SERVICES = (ALL) SQLNET.CRYPTO_CHECKSUM_CLIENT = ACCEPTED TNSPING.TRACE_DIRECTORY = /u01/app/diag/traces
You can create the sqlnet.ora file by running the Network Configuration Assistant (NETCA) tool.
My sqlnet.ora file is as follows.
[[email protected] ~]$ cd $ORACLE_HOME [[email protected] install]$ cd network/admin/ [[email protected] admin]$ [[email protected] admin]$ cat sqlnet.ora # sqlnet.ora Network Configuration File: /oradata/install/network/admin/sqlnet.ora # Generated by Oracle configuration tools. NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT) SQLNET.ALLOWED_LOGON_VERSION_SERVER=8 SQLNET.ALLOWED_LOGON_VERSION_CLIENT=8
You can read the following post to learn more details about TNS_ADMIN.
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