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Understanding the Policy Rules Direction

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TitleUnderstanding the Policy Rules Direction
Objective
ExtremeWireless, ExtremeCloud Appliance and ExtremeCloud offer a flexible method of creating firewall rules to control a traffic from/to wireless and wired (connected to Access Points wired ports) devices. This article includes use cases that will help administrators  understand how to create firewall rules. 
Environment
Any version of any of the following technologies :
- ExtremeWireless
- ExtremeCloud Appliance
- ExtremeCloud
- Extreme Access Points
Procedure
Use case 1. Wireless user needs to reach services in the network.
Rule will evaluate both directions : From User to Network and To User from Network

User-added image

Use case 2. Wireless user need to reach services in the network.
Rule will evaluate only directions  From User to Network.
The direction From Network To User will be ignored. 

User-added image
Use case 3.  Somebody from Network needs to reach services on the "User side".
"User side" is where a wireless device connected to an access point.
It can also be a wired client connected to an ethernet port on an access point or Defender adapter.
In this example, the Rule will evaluate both directions : From User to Network and To User from Network.  

User-added image

Use case 4. We want to block anybody on the "User side" running DHCP service.
Set "None" on the direction From Network To User because we don't want to block DHCP
packets offered by real DHCP servers located on the Network. 

User-added image 
Additional notes
You can open each image in a separate tab to see it in full screen

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