How to block an IP address from sending or receiving traffic?

We have a machine that we are trying to limit bandwidth to, using pfSense. This is because the machine is using 80% of our link:

Another brute-force method of limiting bandwidth to an IP address is simply to block it. So we updated a rule to indicate that it should be a Block rule:

We also created another rule, randomly picking other options to try to block 10.0.0.78 from talking to the Internet:

Yet there it is, still consuming the majority of the bandwidth:

And when you log into the machine, uTorrent is still merrily downloading data.

How do you block a computer, by IP address, in pfSense?

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2 Answers

I'm sure you've probably resolved this by now, but your screenshots show the rule being created for the WAN interface. You want to block on the LAN interface.

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I have found that you have to kill the active states for that IP address as well before the block will take effect.

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