> For the complete documentation index, see [llms.txt](https://documentation.ocsinventory-ng.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.ocsinventory-ng.org/administrator-docs/server-setup/configuration/basics/general-configuration.md).
# General configuration
Most configuration options available in the OCS web console can be managed from the **Configurations** **→ General → General Configuration** page.\
This page is divided into five sections:
Agent: configuration options transmitted to the agent during inventory.
* **Frequency:** defines how often the agent reports inventory data to the server, expressed in hours.
* **Inventory checksum:** determines whether the agent should create and reuse a checksum file to compare the previous inventory with the new one.
* **Inventory log level:** sets the log level used by the agent when sending [Inventory logs](/administrator-docs/server-setup/configuration/advanced/inventory-logs.md) to the server.
Blacklist: policies defining blacklist rules based on predefined lists.
* **MAC addresses:** enables blacklisting of specific MAC addresses.
* **MAC addresses list:** specifies the list of MAC addresses to blacklist, separated by commas.
* **IP addresses:** enables blacklisting of subnets.
* **IP addresses list:** specifies the list of subnets to blacklist, using CIDR notation and separated by commas.
* **Serial numbers:** enables blacklisting of specific serial numbers.
* **Serial numbers list:** specifies the list of serial numbers to blacklist, separated by commas.
{% hint style="info" %}
Blacklists are used to reject incoming inventories.
{% endhint %}
Deployment: configuration options related to the Deployment feature.
* **Deployment:** enables or disables deployment features.
* **Period latency:** defines the delay between package executions, expressed in seconds.
* **Automatic retry:** enables automatic redeployment if the initial deployment or execution fails.
* **Max retry:** sets the maximum number of retries allowed per package.
* **Execution timeout:** defines the maximum execution time for packages' [Actions](/user-docs/deployment/actions.md) in seconds.
* **Deployment timeout:** sets the overall timeout for a package deployment, in seconds.
Server: core server configuration settings.
* **Log level Collection:** defines the log level for inventory collection.
* **Log level Backend:** sets the log level for the OCS Inventory backend application.
* **Log level Django:** configures the log level for the Django backend.
* **Log level Management:** sets the log level for OCS Inventory management commands.
* **Duplicate reconciliation:** specifies the field used to identify and reconcile duplicate computers.
* **Administrative data generation:** selects the mode used for administrative data generation.
* **Software dictionary generation:** select when the software dictionary is refreshed.
* **Agent logs purge:** enables automatic purging of agent logs.
* **Agent logs retention:** defines how long agent logs are retained, in days.
* **Purge deployment packages:** enables automatic deletion of old deployment packages.
* **Max age of deployment packages to purge:** sets the interval, in months, between each deployment package purge.
---
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