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sqlnet.inbound_connect_timeout tips

Oracle Tips by Burleson Consulting

April 1, 2012

Question:  What is the "sqlnet.inbound_connect_timeout" parameter and how do I use sqlnet.inbound_connect_timeout for logging off idle sessions?

Answer:  The sqlnet.inbound_connect_timeout parameter is used to limit the time, set in seconds, for a client to connect with the database server and provide the required authentication information.

Also see my important notes on expiring sessions with high idle time.

To minimize the effect of denial-of-service attacks, you should configure sqlnet.inbound_connect_timeout parameter to limits that constrain the time in which resources can be held prior to authentication. In this way, client attempts to exceed the configured limits will result in connection terminations and an audit trail containing the IP address of the client being logged.

To limit consumption of Oracle resources by unauthorized users and enable an audit trail, you should set the sqlnet.inbound_connect_timeout parameter time-limit values for the sqlnet.inbound_connect_timeout parameter, expressed in wall-clock seconds

Failure resulting from sqlnet.inbound_connect_timeout will throw a ORA-03136 inbound connection timed out error.


 
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