EDR: Sensors not Connecting to Server
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EDR: Sensors not Connecting to Server

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Article ID: 289831

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Updated On:

Products

Carbon Black EDR (formerly Cb Response)

Issue/Introduction

  • EDR Sensor installed on Ubuntu machine does not connect to Server. 
  • 'No route to host' message received when testing to register/checkin Sensor with curl:
a. curl -k "https://<ip_of_EDR_server>:443/sensor/register"
b. curl -k "https://<ip_of_EDR_server>:443/sensor/checkin"

Example:
curl -k "https://123.45.6.789:443/sensor/register"
Failed to connect to 123.45.6.789 port 443: No route to host

curl -k "https://123.45.6.789:443/sensor/checkin"
Failed to connect to 123.45.6.789 port 443: No route to host

Environment

  • EDR Sensor: All Versions
  • Linux: All Supported Versions

Cause

Routing issue between internal subnets that connect to EDR Server.

Resolution

Fix routing issue with subnets.