Changing the IP address for the EAC Central Server machine

This topic describes how to change the IP address of an EAC Central Server machine in an environment featuring remote MDEX host machines, where the AppConfig.xml files use host names rather than IP addresses for the machines.

To change the IP address for an EAC Central Server machine:

  1. Stop the Endeca HTTP service on both the EAC Central Server and remote MDEX host.

  2. Change the networkaddress.cache.ttl in the java.security file to 0 on both machines.

    By default, this file is located in %ENDECA_ROOT%\j2sdk\jre\lib\security.

  3. Change the IP address of the EAC Central Server, making sure that the MDEX host operating system can resolve the EAC Central Server at the new IP address.

  4. Restart the Endeca HTTP service on both machines.

  5. Revert the changes to the java.security file mentioned in Step 2 above by changing networkaddress.cache.ttl back to -1, and restart the Endeca HTTP service on both machines.

    This prevents subsequent DNS spoof attacks.

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