DHCP MAC address Filter management made easy with DHCP PowerShell

Security and network administrators are increasingly wary of internal security threats, in addition to threats from the outside, due to the introduction of uncertified hardware and software on the network, such as personal portable computers and mobile devices that can be potentially compromised and not compliant to the security practices of the organization. Link layer-based…


DHCP Server Events Tool

This tool can be used by DHCP Administrators to view all the events generated by DHCP Server directly in MMC. This tool can also be very handy in managing the MAC Based Filtering where you can see the list of people entering your network and you will be able to remotely add them to Allow/Deny list…


MAC Filter Import Tool

Hello Everybody, Thanks for all those who tried the MacFilterCallout dll. As you all must have checked out by now that Link Layer Filtering feature is a part of Windows Server 2008 R2 DHCP Server. DHCP Server team has come up with a GUI based tool which will let an administrator import the MAC addresses…


How to configure Link Layer based filtering

In the scenarios where there are increasing security concerns and potential threats in networks, Link Layer based filtering feature in Windows Server 2008 R2 DHCP Server provides administrators the ability to specifically control network resource access to the clients by issuance or denial of IP Address to them, based on MAC address of clients configured…


Troubleshooting Link Layer based filtering

Some of the issues that are commonly faced in scenarios where Link Layer based filters have been configured.   1. MAC Address is added in allow list but still the client is denied IP address.     Check if there is some wildcard entry in the deny list which matches the MAC Address of the requesting client. Because deny…

Link Layer Based Filtering?

Overview The increased threat perception has caused security to be instrumented and enabled at various levels in the enterprise IT infrastructure. Network and system administrators are increasingly becoming security conscious and are constantly on the lookout to insulate their systems from any  potential threats that may arise from addition of new clients/devices on their networks….


DHCP Server Callout DLL for MAC Address based filtering

DHCP Server team is excited to announce that the much appreciated and loved feature, MAC Address based filtering, (previously provided by this callout dll) is now a part of Windows Server 2008 R2 DHCP Server. Check out the blog.        The MAC Address filtering feature in Windows Server 2008 R2,   has provision for both Allow and Deny lists,…