net/templates/freeswitch_conf_autoload_configs_acl.conf.xml

<configuration name="acl.conf" description="Network Lists">
  <network-lists>
    <!--
     These ACL's are automatically created on startup.
 
     rfc1918.auto  - RFC1918 Space
     nat.auto      - RFC1918 Excluding your local lan.
     localnet.auto - ACL for your local lan.
     loopback.auto - ACL for your local lan.
    -->
 
    <list name="lan" default="allow">
      <node type="deny" cidr="192.168.42.0/24"/>
    </list>
 
    <!--
    This will traverse the directory adding all users
    with the cidr= tag to this ACL, when this ACL matches
    the users variables and params apply as if they
    digest authenticated.
    -->
    <list name="domains" default="deny">
      <!-- domain= is special it scans the domain from the directory to build the ACL -->
      <node type="allow" domain="$${domain}"/>
      <!-- use cidr= if you wish to allow ip ranges to this domains acl. -->
      <!-- <node type="allow" cidr="192.168.0.0/24"/> -->
      <node type="allow" cidr="${SIPCON_SIP}/32"/>
    </list>
 
  </network-lists>
</configuration>