Say I want to block "xxx-xxxx-xxx-xxxx" and that alone from being accessible from any web browser on the system.
Is there any way to do that plainly and simply without having a need for bulk programs?
Or to one-by-one block certain websites I want by IP address?
I heard a while back that it's possible to do this by some browser's settings alone, such as in a configuration file, or on OSes with TCP/IP configuration to block packets sent to certain IP addresses (so that it disallows communication to that address and all browsers on the system will fail to connect/retrieve info, thus like blocking).
I know something like this must be possible, because I read a few years back and accomplished this on Windows 7 Home Edition. A file was edited, and no browser could send packets to specified IP addresses.
My OSes: Ubuntu 12 / Windows 7 / Android 2.3.4.
Router: Belkin Wireless N300 Router.
NOTE: I accomplished this without changing any settings with the router.