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Command Line Options

Display the command line options:

docker run -it --rm quay.io/deepfenceio/deepfence_secret_scanner_ce:2.5.7 --help

or, with a standalone build:

$ ./SecretScanner --help

Configuring SecretScanner

General Configuration​

  • --debug bool: print debug level logs.

  • --threads int: Number of concurrent threads to use during scan (default number of logical CPUs).

  • --temp-directory string: temporary storage for working data (default "/tmp")

  • --max-secrets int: Maximum number of secrets to report from a container image or file system (default 1000).

  • --maximum-file-size int: Maximum file size to process in Kb (default 256).

  • -multi-match: Output multiple matches of same pattern in one file. By default, only one match of a pattern is output for a file for better performance

  • -max-multi-match int: Maximum number of matches of same pattern in one file. This is used only when multi-match option is enabled (default 3)

Scan Containers​

  • --image-name string: scan this image (name:tag) in the local registry
  • --container-id string: scan a running container, identified by the provided container ID
  • --container-ns string: search the provided namespace (not used for Docker runtime)

Scan Filesystems​

  • --local string: scan the local directory in the SecretScanner docker container. Mount the external (host) directory within the container using -v
  • --host-mount-path string: inform SecretScanner of the location in the container where the host filesystem was mounted, such as '/tmp/mnt'. SecretScanner uses this as the root directory when matching exclude_paths such as /var/lib (see below)

Configure Output​

SecretScanner can write output as Table and JSON format

  • -output: Output format: json or table (default "table")

Configure Scans​

Scans can be fine-tuned using settings in config.yaml:

  • --config-path string: directory location of config.yaml. If not set, SecretScanner will fall back to the local binary directory or the current working directory.

config.yaml can be used to exclude files and locations from the malware scan:

# SecretScanner Configuration File

blacklisted_strings: [] # skip matches containing any of these strings (case sensitive)
blacklisted_extensions: [ ".jpg", ".jpeg", ".png", ".gif", ".bmp", ".tiff", ".tif", ".psd", ".xcf", ".zip", ".tar.gz", ".ttf", ".lock"] 
# need to confirm as windows hides file extensions
blacklisted_paths: ["/var/lib/docker", "/var/lib/containerd", "/bin", "/boot", "/dev", "/lib", "/lib64", "/media", "/proc", "/run", "/sbin", "/usr/lib", "/sys"] # use \ for windows paths

For other settings, refer to the sample config.yaml file