sqlnet.ora file
A configuration file for the client or server that specifies:
Client
domain
to append to unqualified service names or
net service names
Order of
naming methods
the client should use when resolving a name
Logging
and
tracing
features to use
Route of connections
Preferred Oracle Names servers
External naming
parameters
Oracle Advanced Security
parameters
The sqlnet.ora file typically resides in $ORACLE_HOME/network/admin on UNIX platforms and ORACLE_HOME\network\admin on Windows platforms.