René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Windows passwords cannot be set or reset when the system is on an isolated network with dual routers","articleBody":"### problem\n\nUsing dual routers:\nVIP IP: 10.90.0.1 (where password provider port 8080 is open)\nPrimary: 10.90.0.74\nSecondary: 10.90.0.193\n\nError log\n[ERROR]: Unable to contact password provider at: http://10.90.0.74:8080/\n\nIt's trying to use the local ip address from primary router. Port 8080 is not open on local ip addres 10.90.0.74\n\nI figured out that windows is getting this ip from /etc/dnsmasq.d/cloud.conf: \nlisten-address= 127.0.0.1,10.90.0.1,10.90.0.74\n\nIf I change the listen-addres to: listen-address= 127.0.0.1,10.90.0.1 and restart dnsmasq, it works.\n\nIn VR /opt/cloud/bin/cs/CsDhcp.py: \n\n`if self.cl.is_redundant():\n   listen_address.append(gateway)\nlisten_address.append(ip)\n`\n\nFIX:\n\n`if self.cl.is_redundant():\n   listen_address.append(gateway)\nelse:\n   listen_address.append(ip)\n`\n\n\n\n### versions\n\nCloudstack 4.21.0.0 + Vmware 8u3g\n\n### The steps to reproduce the bug\n\nCreate a new windows machine or try to reset it's password\n\n### What to do about it?\n\nI figured out that windows is getting this ip from /etc/dnsmasq.d/cloud.conf: \nlisten-address= 127.0.0.1,10.90.0.1,10.90.0.74\n\nIf I change the listen-addres to: listen-address= 127.0.0.1,10.90.0.1 and restart dnsmasq, it works.\n\nIn VR /opt/cloud/bin/cs/CsDhcp.py: \n\n`if self.cl.is_redundant():\n   listen_address.append(gateway)\nlisten_address.append(ip)`\n\nFIX:\n\n`if self.cl.is_redundant():\n   listen_address.append(gateway)\nelse:\n   listen_address.append(ip)`","author":{"url":"https://github.com/leolns","@type":"Person","name":"leolns"},"datePublished":"2025-10-20T23:32:38.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/11877/cloudstack/issues/11877"}