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<!DOCTYPE concept PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
<concept id="security_install">
<title>Installation Considerations for Impala Security</title>
<data name="Category" value="Security"/>
<data name="Category" value="Impala"/>
<data name="Category" value="Administrators"/>
Impala 1.1 comes set up with all the software and settings needed to enable security when you run the
<cmdname>impalad</cmdname> daemon with the new security-related options (<codeph>-server_name</codeph> and
<codeph>-authorization_policy_file</codeph>). You do not need to change any environment variables or install
any additional JAR files.