---
title: "Enabling Multiple DNS Requests through a Single TCP Session"
canonical: "https://docs.infoblox.com/space/nios85/35483158/Enabling%20Multiple%20DNS%20Requests%20through%20a%20Single%20TCP%20Session"
format: markdown
---
The advanced appliance inspects only one DNS request sent over a single TCP connection. To avoid accepting possible malicious data following a valid DNS request, the appliance terminates the TCP connection after handling the initial DNS request over TCP. You can modify this default Grid setting at the Grid or member level.  
To modify this setting, do the following:

1. **Grid**: From the **Data** **Management** tab, select the **Security** tab, and then click **Grid** **Security** **Properties** from the Toolbar.  
**Member**: From the **Data** **Management** tab, select the **Security** tab -> **Members** tab -> *member* checkbox, and then click the Edit icon.  
**Profiles**: From the **Data** **Management** tab, select the **Security** tab -> **Profiles** tab -> *profile* checkbox, and then click the Edit icon.
2. In the *Grid* *Security* *Properties* or *Member* *Security* *Properties* editor, select the **Threat** **Protection** tab -> **Advanced** tab, and complete the following:

> Macro (legacy-content)

3. Save the configuration.