If you have a device (webcam, printer, PC, server…) that you can connect from from most computers on your network but not others, there are two common reasons for you to investigate: The device has a firewall or antivirus product that is actively blocking the traffic The device has a misconfigured network, specifically the Subnet Mask In my case, I was working on a security appliance that was using a statically assigned 255.255.255.0 for the…
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