2.1.1 Ensure 'extproc' Is Not Present in 'listener.ora'

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extproc should be removed from the listener.ora to mitigate the risk that OS libraries can be invoked by the Oracle instance.


extproc allows the database to run procedures from OS libraries. These library calls can, in turn, run any OS command.


To remediate this recommendation:

Remove extproc from the listener.ora file.

See Also