# How to bind Confluence to a particular network interface

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## Purpose

By default, Tomcat will bind *:port when reading in a connector; that is, it will listen on every IP/Interface.  In situations where a server has more than one network interface card, you can bind to a specific one by adding the address element to the connector configuration.

Solution

Change the server.xml file by adding an address element:

<Connector port="8080" connectionTimeout="20000" redirectPort="8443"
enableLookups="false" acceptCount="10" debug="0" URIEncoding="UTF-8"
protocol="org.apache.coyote.http11.Http11NioProtocol"/>
...
<Host name="localhost" debug="0" appBase="webapps" unpackWARs="true" autoDeploy="false" startStopThreads="4">

Also, change the hostname from localhost to the relevant host name. In the file above, they are on the same IP.

Do note, that since usually there is only one Host container, the name set there should also match the value of defaultHost set in the Engine container. If there is more than one Host containers, exactly one Host's name should match the Engine's defaultHost. Please refer to the official Tomcat Host documentation reference for details.