In database computing, sqlnet.ora is a plain-text configuration file that contains the information (like tracing options, encryption, route of connections, external naming parameters etc.) on how both Oracle server and Oracle client have to use Oracle Net (formerly Net8 or SQL*Net) capabilities for networked database access. Location The sqlnet.ora file typically resides in on UNIX platforms and on Windows operating systems. Sample file NAMES.DIRECTORY_PATH= (LDAP, TNSNAMES, HOSTNAME) NAMES.DEFAULT_DOMAIN = ORACLE.COM TRACE_LEVEL_CLIENT = ON SQLNET.EXPIRE_TIME = 30 SQLNET.IDENTIX_FINGERPRINT_DATABASE = FINGRDB AUTOMATIC_IPC = ON SQLNET.AUTHENTICATION_SERVICES = (ALL) SQLNET.CRYPTO_CHECKSUM_CLIENT = ACCEPTED TNSPING.TRACE_DIRECTORY = /oracle/traces Profile parameters This section lists and describes some sqlnet.ora file parameters. References Configuration files Secure communication Oracle Database