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Service description

Managed in the cloud and powered by Nessus technology, Tenable.io provides the industry's most comprehensive vulnerability coverage with the ability to predict which security issues to remediate first. It’s a complete end-to-end vulnerability management solution that provides a risk-based view of your entire attack surface—from IT to cloud to containers—so you can quickly identify, investigate and prioritize vulnerabilities.

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Note

You’ll need the Administrator[64] permission in order to request Audit_log data.

Run the collector

This data collector can be run in any machine that has the Docker service available because it should be executed as a docker container. The following sections explain how to prepare all the required setup for having the data collector running.

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The following directory structure should be created for being used when running the Tenable.io collector:

Code Block
linenumberstrue
<any_directory>
└── devo-collectors/
    └── tenable/
        ├── certs/
        │   ├── chain.crt
        │   ├── <your_domain>.key
        │   └── <your_domain>.crt
        └── config/ 
            └── config-tenable.yaml

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In Devo, go to Administration → Credentials → X.509 Certificates, download the Certificate, Private key and Chain CA and save them in <any directory>/devo-collectors/tenable/certs. Learn more about security credentials in Devo here.

Image Removed

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In the config-tenable.yaml file, replace the <short_unique_identifier>, <x_api_key>.crt,  and <secret_key> values and enter the ones that you got in the previous steps. In the <short_unique_identifier> placeholder, enter the value that you choose.

Code Block
titleconfig-tenable-io.yaml
globals:
  debug: false                                                                # Setup as True or False for debugging mode
  id: not_used
  name: tenable-io
  persistence:                                                                # Persistence setup filesystem
    type: filesystem
    config:
      directory_name: state                                                   # Persistence directory
outputs:
  devo_1:
    type: devo_platform
    config:
      address: collector-eu.devo.io                                           # Devo platform address EU (for US use: collector-us.devo.io)
      port: 443
      type: SSL
      chain: chain.crt
      cert: <your_domain>.crt 
      key: <your_domain>.key
inputs:
  tenable_io:
    id: <1>                                                                   # The value of this field will be used internally for having independent persistence areas
    enabled: true
    debug: true
    requests_per_second: 5                                                    # Setting up requests per second. 5 recommended.
    credentials:
      access_key: <access_key>                                                # Tenable access key
      secret_key: <secret_key>                                                # Tenable secret key
    services:
      agents:
        request_period_in_seconds: 43200                                      # 12 hours - Setting up request period in seconds.
      assets:
        request_period_in_seconds: 28800                                      # 8 hours
      audit_log:
        request_period_in_seconds: 60 
        start_time: "2021-03-10"                                              # Start time for pulling data from - format date YYYY-MM-DD
      plugins:
        request_period_in_seconds: 60                                         # 1 min
        start_time: "2021-03-15"                                              # Start time for pulling data from
      scanners:
        request_period_in_seconds: 43200 
      scans:
        request_period_in_seconds: 43200 

Download the Docker image

The collector should be deployed as a Docker container. Click here to download the Docker image of the collector as a .tgz file.

Use the following command to add the Docker image to the system:

Code Block
$ gunzip -c collector-tenable-io-image-<version>.tgz | docker load
Info

Once the Docker image is imported, it will show the real name of the Docker image (including version info). Replace "<version>" with a proper value.

The Docker image can be deployed on the following services:

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Execute the following command on the root directory <any_directory>/devo-collectors/tenable/

Code Block
linenumberstrue
docker run \
--name collector-tenable-io \
--volume $PWD/certs:/devo-collector/certs \
--volume $PWD/config:/devo-collector/config \
--volume $PWD/state:/devo-collector/state \
--env CONFIG_FILE=config-tenable-io.yaml \
--rm -it docker.devo.internal/collector/tenable-io:<version>
Note

Replace <version> with the required value.

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The following Docker Compose file can be used to execute the Docker container. It must be created in the <any_directory>/devo-collectors/tenable/ directory.

Code Block
titledocker-compose.yaml
linenumberstrue
version: '3'
services:
  collector-tenable-io:
    build:
      context: .
      dockerfile: Dockerfile
    image: docker.devo.internal/collector/tenable-io:${IMAGE_VERSION:-latest}
    container_name: tenable-io-collector
    volumes:
      - ./certs:/devo-collector/certs
      - ./config:/devo-collector/config
      - ./state:/devo-collector/state
    environment:
      - CONFIG_FILE=${CONFIG_FILE:-config-tenable-io.yaml}

To run the container using docker-compose, execute the following command from the <any_directory>/devo-collectors/tenable/ directory:

Code Block
linenumberstrue
IMAGE_VERSION=<version> docker-compose up -d

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Once the data source is configured, you can either send us the required information if you want us to host and manage the collector for you (Cloud collector), or deploy and host the collector in your own machine using a Docker image (On-premise collector).