> # Configuring Port Prohibiting

> ## Detailed Steps

> To prohibit port addresses in a VSAN using Device Manager, follow these steps:

> 1. Choose FICON > VSANs.
> 2. Select a VASAN ID and click Port Configuration.

> You see the FICON Port Configuration dialog box.

> 3. Set the port prohibit configuration for the selected FICON VSANs.
> 4. Click Apply to save these changes.

> Copyright 2010-2015, Cisco Systems, Inc. All rights reserved.