Block a Service (BITS) when on Wireless and specific Subnet

I’m commuting by train each day, working. The train has a free wireless network, but it’s limited to 200MB traffic, and is then reduced to snail speed. Luckily, it’s restricted by MAC-Address so it’s quite easy to get another 200MB when you run out 😉
Though, yesterday, I ran out of my 200MB quota in less than 7 minutes, which made me confused. A quick check confirmed what I suspected. Yepp, a new build of Windows 10 – fast ring is being downloaded and eating my quota.

Quick solution; create a Windows Firewall rule that blocks BITS from downloading stuff when on Wireless and using the trains subnet.

fw1

Here is the PowerShell syntax to create a similar rule.

Yay! No more problems with eating the quota while on the train.

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