Cb Response: Sensors offline in console after WebUI cert change

Products

• Carbon Black EDR (formerly Cb Response)

Issue/Introduction

Sensors offline in console after WebUI cert change

Environment

• Carbon Black Response Server: All Versions
• Carbon Black Response Sensor: All Versions

Cause

WebUI certificate is using the Server certificate

Resolution

1. Open a terminal session
2. Navigate to /etc/cb/certs
3. Rename the new WebUI cert to something different
4. Rename original cb-server files back to cb-server.crt and cb-server.key
5. Open /etc/cb/nginx/conf.d/cb.conf (orignally cb-multihome.conf) and modify the cert name to match the WebUI certificate

   ssl_certificate /etc/cb/certs/<WebUIcert>.crt;
   ssl_certificate_key /etc/cb/certs/<WebUICert>.key;
6. Restart the cb-nginx service

   service cb-nginx restart