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"weblogic.security.net.FilterException" Thrown For All Connections After Applying PSU Jan 2020 And Connection Filter Is Configured (Doc ID 2647412.1)

Last updated on JUNE 17, 2020

Applies to:

Oracle WebLogic Server - Version 10.3.6 to 12.2.1.4.0
Information in this document applies to any platform.

Symptoms

After applying January 2020 PSU, a connection filter rule similar to '<FILTER_IP>/16 * <FILTER_PORT> deny' , denies all the connections to the servers.

Applications will be inaccessible and if applied on Admin Server, console access also denied from the local machine as well.

Rule Specified in the connection filter:

 You can observe in the log message, that even if we set the rule only for 100.4.xxx.xxx/16, weblogic server is rejecting the connections from other IPs as well.

Cause

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In this Document
Symptoms
Cause
Solution
References

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