MAC address filtering is a technique that theoretically prevents unauthorized computers from accessing your network. I’ll explain why the theory fails. https://askleo.com/4350 #askleo #MAC Related Posts Is MAC Address Filtering a Viable Wireless Security Option? - MAC address filtering is a technique that theoretically prevents unauthorized computers from accessing your network. I'll explain why the theory fails. How Do I Protect Myself from Other Computers on My Local Network? - Many households have computers used for sensitive things sharing a network with less trustworthy users. Here's one method for in-home protection. How Do I Remove a Virus If It Prevents Me from Downloading or Installing Anything? - Some malware goes to great lengths to prevent you from downloading, running, or applying a fix. I'll tell you what steps to take. Why Does My Microsoft Word Document Display Differently on Different Computers? - Microsoft Word documents display differently on different systems because of differences between the systems. Getting Microsoft Word documents to display identically typically means processing them into something else.