---
title: "Set TFS4JIRA Synchronizer application access permissions"
canonical: "https://support.appfire.com/space/TSH/1800275217/Set%20TFS4JIRA%20Synchronizer%20application%20access%20permissions"
format: markdown
---
> ❌ Because of security reasons access to **TFS4JIRA Synchronizer** should be granted only to fully trusted users.

**TFS4JIRA Synchronizer** access control is based on standard windows authorization mechanism. When logging into the application, you must provide your windows user credentials, such as: name, domain and password.

You can grant or deny access to the application for the given user by setting appropriate permissions to *tfs-jira-synchronizer\App_Data\security\administration.acl* file located in your web server root folder (typically: *c:/inetpub/wwwroot)*.  
The file content has no matter - the user can log into **TFS4JIRA Synchronizer** application only when he has both **Read** and **Write** access to *administration.acl* **file**.

![image](media://a8efdf08-ee13-4ec8-b3e0-e8a97014bbf0)