CB Response: Error 'Remote end closed connection without response' seen when trying to connect to CB Response server via CBAPI

Products

• Carbon Black EDR (formerly Cb Response)

Issue/Introduction

• Error 'Remote end closed connection without response' while trying to run the CB API scripts.

Environment

• CB Response Server
• CBAPI

Cause

• The URL field in the credentials.response file is incorrect.

Resolution

• Check that the credentials.response file has correct credentials.
• There should not be any white spaces between/after field and value or at the end of the file.
• If the web UI port has changed to a port other than default 443 make the corresponding changes in the credentials.response file.

  [default]
  url=https://example.com:8443
  token=fb447106952eaf36f97434b7c344b97aXexample
  ssl_verify=False
  ignore_system_proxy=True

• For more information, please visit: https://github.com/carbonblack/cbapi-python