Oracle : Ошибка ORA-12525

"TNS:listener has not received client's request in time allowed"
*Cause: The listener disconnected the client because the client failed to
provide the necessary connect information within the allowed time interval.
This may be a result of network or system delays; or this may indicate that a
malicious client is trying to cause a Denial of Service attack on the
*Action: If the error occurred because of a slow network or system,
reconfigure INBOUND_CONNECT_TIMEOUT to a larger value. If a malicious
client is suspected, use the address in listener.log to identify the
source and restrict access. Turn on tracing for more information.
*Comment: The logged address in listener.ora may not be reliable as it
can be forged at the lower networking layers (e.g. in the case of TCP/IP).

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