diff --git a/README.md b/README.md
index a59f88c0..0688f2c9 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
-
-
+
+
    See all the things you and your team can do with ProwlerPro at prowler.pro
@@ -58,7 +58,7 @@ The container images are available here:
You can run Prowler from your workstation, an EC2 instance, Fargate or any other container, Codebuild, CloudShell and Cloud9.
-
+
# ð Requirements
@@ -98,7 +98,7 @@ To run prowler, you will need to specify the provider (e.g aws or azure):
prowler
```
-
+
> Running the `prowler` command without options will use your environment variable credentials.
@@ -135,6 +135,13 @@ You can always use `-h`/`--help` to access to the usage information and all the
prowler -h
```
+## Checks Configurations
+Several Prowler's checks have user configurable variables that can be modified in a common **configuration file**.
+This file can be found in the following path:
+```
+prowler/config/config.yaml
+```
+
## AWS
Use a custom AWS profile with `-p`/`--profile` and/or AWS regions which you want to audit with `-f`/`--filter-region`:
diff --git a/docs/tutorials/configuration_file.md b/docs/tutorials/configuration_file.md
new file mode 100644
index 00000000..c3e6eada
--- /dev/null
+++ b/docs/tutorials/configuration_file.md
@@ -0,0 +1,76 @@
+# Configuration File
+Several Prowler's checks have user configurable variables that can be modified in a common **configuration file**.
+This file can be found in the following path:
+```
+prowler/config/config.yaml
+```
+
+## Configurable Checks
+The following list includes all the checks with configurable variables that can be changed in the mentioned configuration yaml file:
+
+1. aws.ec2_elastic_ip_shodan
+ - shodan_api_key (String)
+- aws.ec2_securitygroup_with_many_ingress_egress_rules
+ - max_security_group_rules (Integer)
+- aws.ec2_instance_older_than_specific_days
+ - max_ec2_instance_age_in_days (Integer)
+- aws.vpc_endpoint_connections_trust_boundaries
+ - trusted_account_ids (List of Strings)
+- aws.vpc_endpoint_services_allowed_principals_trust_boundaries
+ - trusted_account_ids (List of Strings)
+- aws.cloudwatch_log_group_retention_policy_specific_days_enabled
+ - log_group_retention_days (Integer)
+- aws.appstream_fleet_session_idle_disconnect_timeout
+ - max_idle_disconnect_timeout_in_seconds (Integer)
+- aws.appstream_fleet_session_disconnect_timeout
+ - max_disconnect_timeout_in_seconds (Integer)
+- aws.appstream_fleet_maximum_session_duration
+ - max_session_duration_seconds (Integer)
+- aws.awslambda_function_using_supported_runtimes
+ - obsolete_lambda_runtimes (List of Strings)
+
+## Config Yaml File
+
+ #Â AWS EC2 Configuration
+ # aws.ec2_elastic_ip_shodan
+ shodan_api_key: null
+ # aws.ec2_securitygroup_with_many_ingress_egress_rules --> by default is 50 rules
+ max_security_group_rules: 50
+ # aws.ec2_instance_older_than_specific_days --> by default is 6 months (180 days)
+ max_ec2_instance_age_in_days: 180
+
+ # AWS VPC Configuration (vpc_endpoint_connections_trust_boundaries, vpc_endpoint_services_allowed_principals_trust_boundaries)
+ # Single account environment: No action required. The AWS account number will be automatically added by the checks.
+ # Multi account environment: Any additional trusted account number should be added as a space separated list, e.g.
+ # trusted_account_ids : ["123456789012", "098765432109", "678901234567"]
+ trusted_account_ids: []
+
+ #Â AWS Cloudwatch Configuration
+ # aws.cloudwatch_log_group_retention_policy_specific_days_enabled --> by default is 365 days
+ log_group_retention_days: 365
+
+ # AWS AppStream Session Configuration
+ # aws.appstream_fleet_session_idle_disconnect_timeout
+ max_idle_disconnect_timeout_in_seconds: 600 # 10 Minutes
+ # aws.appstream_fleet_session_disconnect_timeout
+ max_disconnect_timeout_in_seconds: 300 # 5 Minutes
+ # aws.appstream_fleet_maximum_session_duration
+ max_session_duration_seconds: 36000 # 10 Hours
+
+ #Â AWS Lambda Configuration
+ # aws.awslambda_function_using_supported_runtimes
+ obsolete_lambda_runtimes:
+ [
+ "python3.6",
+ "python2.7",
+ "nodejs4.3",
+ "nodejs4.3-edge",
+ "nodejs6.10",
+ "nodejs",
+ "nodejs8.10",
+ "nodejs10.x",
+ "dotnetcore1.0",
+ "dotnetcore2.0",
+ "dotnetcore2.1",
+ "ruby2.5",
+ ]
diff --git a/mkdocs.yml b/mkdocs.yml
index 3b799a8c..7596065c 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -33,6 +33,7 @@ nav:
- Reporting: tutorials/reporting.md
- Compliance: tutorials/compliance.md
- Quick Inventory: tutorials/quick-inventory.md
+ - Configuration File: tutorials/configuration_file.md
- Logging: tutorials/logging.md
- Allowlist: tutorials/allowlist.md
- Pentesting: tutorials/pentesting.md