gistfile1.txt

<property name="valves">
                <list>
                        <bean id="valve.access" class="org.apache.catalina.valves.AccessLogValve">
                        <property name="directory" value="log" />
                        <property name="prefix" value="${http.host}_access." />
                        <property name="suffix" value=".log" />
                        <property name="pattern" value="common" />
                        <property name="resolveHosts" value="false" />
                        <property name="rotatable" value="true" />
                        </bean>

                        <bean id="valve.remoteHost" class="org.apache.catalina.valves.RemoteHostValve">
                        <property name="allow" value="some.domain.com, localhost" />
                        </bean>
                </list>
        </property>