lucy24 - 10:47 pm on Feb 13, 2012 (gmt 0)
And DE farms, of course.
As already noted I'm not very strict about locking people out. But if I look up an IP and find the name Hetzner anywhere in there, I tend to throw up my hands and say What the ###, just ban 'em :) More trouble than it's worth, otherwise.
From the user end I do worry a little about people with cast-iron firewalls, because some experimental pinging tells me that everything from my part of the state has to pass through The Planet's nearest server (I think it's in Santa Rosa) to reach the rest of the world. This is literally true. There's one physical cable.