Thank you, Changing the interface to the device IP rather than the actual port did the trick! Thank you both for the suggestions! Now I don't worry that someone outside of my network can access this device. And my wife is happy that I didn't break the Internet....again !!

Hello I attempted the command provided: /ip firewall filter add action=drop chain=forward dst-address=!192.168.0.0/24 in-interface=ether19 Which I adjusted for my network and for the interface. I am using an RB2011UiAS-2HnD running OS 6.40.4 ...... this device has 10 Ethernet ports allocated to two ...

Thank you for the quick reply! I will try this out tonight and post how it goes. Hopefully I can use this as an example to get my head around the FW information in the RouterOS book.
Best Regards,
Dan

Hello, I have an RB2011UiAS-2HnD running OS 6.40.4. Within my network I have a security cam DVR which I would like to be able to access from different PCs within my network. BUT I do not want that device to be able to send traffic outside of my network. I have several security concerns regarding the...