NOTICE DATE: May 12, 2021
NOTICE TYPE: M-A051221-01 Operations
SHORT DESCRIPTION: New IP Addresses for Inbound Production NAESB URL
INTENDED AUDIENCE: All Market Participants
DAYS AFFECTED: Sunday, May 30, 2021 from 09:00
LONG DESCRIPTION: To improve the security of ERCOT's North American Energy Standards Board (NAESB) Electronic Delivery Mechanism (EDM), ERCOT is placing inbound NAESB traffic behind a Web Application Firewall (WAF) beginning on 5/30/2020 at 09:00.
ACTION REQUIRED: All Market Participants that transmit files via NAESB must ensure their systems can send to the new IP addresses.
The specific changes to the services are listed below:
https://naesb.ercot.com:7403/ipnet/naesb - no change
New Public IP Addresses
Inbound to ERCOT (naesb.ercot.com) could be any of the following subnet ranges:
Port (no change) – 7403
Former Public IP Addresses Inbound to ERCOT (naesb.ercot.com) - 126.96.36.199 and 188.8.131.52
CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at [log in to unmask].
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