You must update the ALCF proxy server URL to proxy.alcf.anl.gov:3128 by February 17, 2025. References to former proxy server URLs to proxy-01.alcf.anl.gov:3128 and proxy-01.pub.alcf.anl.gov:3128 will stop working, and any software using these old proxies will start to fail as of February 17, 2025. Please take a moment to ensure  that you have made this change.