[sceptic123]

What's the 5% that's not blocking ports for services you want to expose?

Ensuring your infra is built in a secure way is as important as ensuring your service is built in a secure way.

[majewsky]

Part of it is that you may get (D)DoSed and then your ISP may be any amount of pissed at you for taking on significant ingress traffic on a residential network.