|
@@ -730,21 +730,17 @@ This is a loss for both Tor
|
|
|
and Wikipedia: we don't want to compete for (or divvy up) the
|
|
|
NAT-protected entities of the world.
|
|
|
|
|
|
-Worse, many IP blacklists are coarse-grained. Some
|
|
|
-ignore Tor's exit policies, preferring to punish
|
|
|
+Worse, many IP blacklists are coarse-grained: they ignore Tor's exit
|
|
|
+policies, partly because it's easier to implement and partly
|
|
|
+so they can punish
|
|
|
all Tor nodes. One IP blacklist even bans
|
|
|
every class C network that contains a Tor node, and recommends banning SMTP
|
|
|
from these networks even though Tor does not allow SMTP at all. This
|
|
|
-coarse-grained approach is typically a strategic decision to discourage the
|
|
|
+strategic decision aims to discourage the
|
|
|
operation of anything resembling an open proxy by encouraging its neighbors
|
|
|
-to shut it down in order to get unblocked themselves.
|
|
|
-%[****Since this is stupid and we oppose it, shouldn't we name names here -pfs]
|
|
|
-%[XXX also, they're making \emph{middleman nodes leave} because they're caught
|
|
|
-% up in the standoff!]
|
|
|
-%[XXX Mention: it's not dumb, it's strategic!]
|
|
|
-%[XXX Mention: for some servops, any blacklist is a blacklist too many,
|
|
|
-% because it is risky. (Guy lives in apt _building_ with one IP.)]
|
|
|
-%XXX roger should add more
|
|
|
+to shut it down in order to get unblocked themselves. This pressure even
|
|
|
+affects Tor nodes running in middleman mode (disallowing all exits) when
|
|
|
+those nodes are blacklisted too.
|
|
|
|
|
|
Problems of abuse occur mainly with services such as IRC networks and
|
|
|
Wikipedia, which rely on IP blocking to ban abusive users. While at first
|