Per Cisco Secure Firewall ASA HTTP Interface for Automationhttps://www.cisco.com/c/en/us/td/docs/security/asa/misc/http-interface/asa-http-interface.pdfAs a fix https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-a...
Years have passed. I tested it on ASA5585-SSP-10 with 9.8(4)12. Configure one IP to Primary's Management0/0, write mem and another IP to secondary M0/0 and write mem. There is warning. but the IP is still accepted by the secondary node. WARNING: Fail...