# Online License **Online Licensing** The ARK2FA software operates by performing an online license check from license.arksoft.com.tr. For the system to perform the license check, access to this address must be provided from the server via TCP 80/TCP 443 ports. The online license is the recommended licensing model for systems with internet access. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.arksspr.com/master/administration/license-management/online-license.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.