Some misc. exit node questions ...

[John Case <case@xxxxxxxxxxxxxxxx>]

First, am I to understand that this list is referring specifically to ISPs 
that allow exit nodes ?  Presumably a relay node is not deteted and your 
ISP does not care ...

https://wiki.torproject.org/noreply/TheOnionRouter/GoodBadISPs

One problem with this list, however, is that it deals mostly with 
residential, end-user Internet connectivity, while I would think that 
IP transit service, or co-located service (or even VPS) would be much more 
useful to the Tor network.

Other than the reasonably good notes on rackspace, are there any other 
exit-node-friendly providers that are providing something more than a home 
cable/dsl connection ?  I wonder specifically about he.net, as I consider 
their ipv6 tunneling, and the running of the lightning.net irc server as 
very clueful and abuse-tolerant activities...


Second, what is the bandwidth (a)symmetry of an exit node ?  As it is an 
_exit_ node, I am assuming that a very large ratio of the traffic is 
outbound traffic.  However, I understand that just because a node is an 
exit node does not mean it cannot be chosen at any given time as either an 
entry node or a relay node, and therefore the traffic should become more 
symmetric.  So, if I run a fairly stock/standard exit node configuration, 
what percentage of my traffic will be outbound ?


Finally, any comments on running an exit node for only ports 22,80,443 ? 
These are the only ports I ever use, and the absence of port 25 and 6667 
certainly removes a large amount of abuse ... if I throw a lot of 
bandwidth at exit nodes doing only those three ports, will that be a 
noticeable boost to the Tor network, or do people need more flexibility 
than that ?


Thanks.
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