Logo

  • Home
  • For First-time Visitors
    • About the Network
      • Who We Are
      • How It Works
      • What We Do
      • Why We Exist
      • History
      • Contacts
    • Getting Started
    • Network Grants
  • For Program Staff
    • Benefits
    • Find a Data Exchange
    • Network Grants
    • Data Exchange Status
    • Learn about Project Teams
  • For IT Staff
    • Getting Started Guide for IT Professionals
    • Download Node Software
    • Find Existing Data Exchanges
    • Knowledge Base and Technical Standards
    • Exchange Network Discovery Service
    • Learn about Project Teams
    • Learn about Available Shared Services

Sharing information for a cleaner environment

  • About
    • Who We Are
    • How It Works
    • What We Do
    • Why We Exist
    • Network Grants
    • Governance
    • Tribal EN Group (TXG)
    • Contacts
      • Exchange Network Help Desk
  • Data Exchanges
    • Air
    • Cross-Program
    • Health
    • Natural Resources
    • Waste
    • Water
  • Meetings
  • Partners
  • Knowledge Base
  • EN Alerts

Archive

  • May 2025
  • April 2025
  • March 2025
  • February 2025
  • January 2025
  • September 2024
  • August 2024
  • July 2024
  • June 2024
  • April 2024
  • March 2024
  • February 2024
  • December 2023
  • November 2023
  • October 2023
  • May 2023
  • April 2023
  • October 2022
  • June 2022
  • April 2022
  • March 2022
  • October 2021
  • September 2021
  • August 2021
  • July 2021
  • June 2021
  • May 2021
  • April 2021
  • March 2021
  • February 2021
  • December 2020
  • November 2020
  • October 2020
  • September 2020
  • August 2020
  • June 2020
  • May 2020
  • April 2020
  • March 2020
  • February 2020
  • January 2020
  • December 2019
  • November 2019
  • October 2019
  • September 2019
  • August 2019
  • July 2019
  • May 2019
  • April 2019
  • February 2019
  • December 2018
  • November 2018
  • October 2018
  • September 2018
  • June 2018
  • April 2018
  • March 2018
  • January 2018
  • December 2017
  • November 2017
  • October 2017
  • September 2017
  • August 2017
  • July 2017
  • June 2017
  • May 2017
  • April 2017
  • December 2016
  • November 2016
  • October 2016
  • September 2016
  • August 2016
  • July 2016
  • June 2016
  • May 2016
  • March 2016
  • February 2016
  • January 2016
  • December 2015
  • November 2015
  • October 2015
  • September 2015
  • August 2015
  • July 2015
  • June 2015
  • April 2015
  • March 2015
  • February 2015
  • January 2015
  • December 2014
  • November 2014
  • October 2014
  • September 2014
  • July 2014
  • June 2014
  • May 2014
  • April 2014
  • March 2014
  • February 2014
  • January 2014
  • December 2013
  • November 2013
  • October 2013
  • September 2013
  • August 2013
  • July 2013
  • June 2013
  • May 2013
  • April 2013
  • March 2013
  • February 2013
  • January 2013
  • December 2012
  • November 2012
  • October 2012
  • September 2012
  • August 2012
  • July 2012
  • June 2012
  • May 2012
  • March 2012
  • February 2012
  • January 2012
  • December 2011
  • November 2011
  • October 2011
  • August 2011
  • June 2011
Home › Knowledge Base › Alerts › Updated Info on Changes to EN Security Service
Get the latest Network News delivered to your inbox Sign up for EN Alerts

Updated Info on Changes to EN Security Service

March 17th, 2021

**This message contains important new details about forthcoming changes to the Exchange Network Authentication and Authorization Service (NAAS). The new information includes tentative migration dates and the new NAAS IP addresses. Please read this message in its entirety to understand if your agency or organization will be affected.** 

As previously reported on March 8, U.S. EPA is planning updates to the Exchange Network’s security infrastructure known as the Network Authentication and Authorization Service (NAAS). The current NAAS application will be migrated to a new platform in the coming weeks. The system will retain all existing functionality and the re-platforming should be transparent to most users. Here are some important highlights about this upcoming change:  

  • The current URLs for the NAAS will not change. 
  • The IP addresses for the NAAS will be changing, so agencies with strict firewall rules will need to update them for the new IP addresses. See below for details. 
  • Server security certificates will not be changing during this migration, so agencies will not need to adjust for new certificates.

Please see below for more information about anticipated timing and other considerations. If you have any questions or comments please contact the Exchange Network Help Desk (see contact information below).

Schedule and Downtime 
The anticipated schedule for re-platforming the NAAS is:

  • New NAAS Test Environment
    Tentatively available on March 29, 2021
    Deployment planned for weekend of March 27-28 (expect service downtime during the weekend)
     
  • New NAAS Production Environment 
    Tentatively available on April 19, 2021
    Deployment planned for weekend of April 17-18 (expect service downtime during the weekend)

EPA anticipates that the NAAS will be unavailable for part of the deployment weekends. EPA will communicate more specifics about the amount of downtime anticipated as that information becomes available. Watch for more details in a future EN Alert email. Please take note of this anticipated downtime and inform your agency’s Exchange Network users that they will not be able to connect to the Exchange Network or NAAS-supported applications during the NAAS platform change.

Testing
Once the NAAS Test environment has been migrated to the new platform, EPA will notify the Exchange Network community in an EN Alert email. This will open an opportunity for the community to help verify that the re-platformed NAAS services are continuing to operate normally. During this testing period, partner agencies should:

  • Verify that your nodes / dataflows remain operational and are working normally. Unless your agency is covered by one of the exceptional situations below, the NAAS services in the TEST environment should continue to work normally for you without any need for intervention on your part.
  • Please report any anomalies, questions, or errors to the Node Help Desk (see information below).

Exceptional Situations
In most cases, the NAAS re-platforming will be completely transparent and users will not need to take any action. The exceptions to that rule are listed below. Please read on to determine if your organization will be impacted by one of these situations. If you have questions, please contact the Exchange Network Help Desk (see below).

  • Firewall Rules – After the migration, the IP addresses for the Test and Production NAAS will change. If you have an outbound firewall rule from your system to the current NAAS IP addresses, your agency will need to update your firewall rules to allow access to the new NAAS IP addresses below:


    Test NAAS

    New IP Address: 204.47.254.135
    URL: https://naas.epacdxnode.net
    Planned Effective Date: March 29, 2021

    Production NAAS
    New IP Address: 204.47.254.197
    URL: https://cdxnodenaas.epa.gov 
    Planned Effective Date: April 19, 2021
     

  • Secure Authentication Key (SAK) – If your system communicates with the Exchange Network using a SAK, you will need to contact the Node Help Desk to obtain a new SAK.

Exchange Network Help Desk 
For any questions or comments, or to report testing issues, please contact the Exchange Network Help Desk at:

  • Email: [email protected]
  • Phone: 1-888-890-1995 (Select Option 1 and then Option 5 from the menu) 
    Available 8:00 AM – 6:00 PM Eastern
  • Home
  • About
  • Site Map
  • EN Alerts
  • Contacts

© 2025 E-Enterprise and Exchange Network Interoperability and Operations Team

Powered by Swapps