https://community.developer.cybersource.com/t5/News-and-Announcements/Planned-System-Maintenance-Notification-Sandbox-04-05-2023/m-p/86048#M267 <P><SPAN>On April 5, 2023 (10pm PDT)/April 6, 2023 (5:00am GMT) we will be performing networking updates for Sandbox, beginning 10:00pm Pacific. This update will remove support for CBC ciphers and add support for TLS v1.3.</SPAN><BR /><BR /><SPAN>ECDHE GCM are preferred ciphers to be used at this time. This change will only impact portal/interfaces for Authorize.net and not API integrations. There will be a separate update for our API endpoints at a later date.</SPAN><BR /><BR /><SPAN>Portal users will need to make sure to use updated/modern web browsers.</SPAN><BR /><BR /><SPAN>For more information, please see our support article: </SPAN><A href="https://support.authorize.net/knowledgebase/Knowledgearticle/?code=000001526" target="_blank" rel="noopener">Authorize.net TLS and Cipher Support</A><BR /><BR /><SPAN>Please do not hesitate to contact the Authorize.net support team if you have any questions or concerns.</SPAN><BR /><A href="https://support.authorize.net/" target="_blank" rel="noopener">Authorize.net Support Center</A></P> Thu, 23 Mar 2023 16:12:18 GMT AdamT 2023-03-23T16:12:18Z https://community.developer.cybersource.com/t5/News-and-Announcements/Planned-System-Maintenance-Notification-Sandbox-04-05-2023/m-p/86048#M267 <P><SPAN>On April 5, 2023 (10pm PDT)/April 6, 2023 (5:00am GMT) we will be performing networking updates for Sandbox, beginning 10:00pm Pacific. This update will remove support for CBC ciphers and add support for TLS v1.3.</SPAN><BR /><BR /><SPAN>ECDHE GCM are preferred ciphers to be used at this time. This change will only impact portal/interfaces for Authorize.net and not API integrations. There will be a separate update for our API endpoints at a later date.</SPAN><BR /><BR /><SPAN>Portal users will need to make sure to use updated/modern web browsers.</SPAN><BR /><BR /><SPAN>For more information, please see our support article: </SPAN><A href="https://support.authorize.net/knowledgebase/Knowledgearticle/?code=000001526" target="_blank" rel="noopener">Authorize.net TLS and Cipher Support</A><BR /><BR /><SPAN>Please do not hesitate to contact the Authorize.net support team if you have any questions or concerns.</SPAN><BR /><A href="https://support.authorize.net/" target="_blank" rel="noopener">Authorize.net Support Center</A></P> Thu, 23 Mar 2023 16:12:18 GMT https://community.developer.cybersource.com/t5/News-and-Announcements/Planned-System-Maintenance-Notification-Sandbox-04-05-2023/m-p/86048#M267 AdamT 2023-03-23T16:12:18Z