<?xml version="1.0"?>
<instances>
...
<instance id="example" ... >
...
<auths>
<auth module="tls_userlist">
<user user="sqlrclient1.firstworks.com"/>
<user user="sqlrclient2.firstworks.com"/>
<user user="sqlrclient3.firstworks.com"/>
<user user="sqlrclient4.firstworks.com"/>
<auth>
</auths>
...
</instance>
...
</instances>