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Dependencies:
You're going to need Privoxy (www.privoxy.org) installed, and configured
to point at a socks4a proxy -- see below.
For tor itself, you're going to need openssl (0.9.5 or later) and popt
(1.6 or later). If you're on Linux, everything will probably work
fine. OS X and BSD (but see below under troubleshooting) now work
too. Let us know if you get it working elsewhere.
If you got the source from cvs:
Run "./autogen.sh", which will run the various auto* programs and then
run ./configure for you. From there, you should be able to run 'make'
and you'll be on your way.
If you got the source from a tarball:
Run ./configure and make as usual. There isn't much point in
'make install' yet.
If this doesn't work for you / troubleshooting:
If you couldn't find popt (eg you're on BSD), try
CPPFLAGS="-I/usr/local/include" LDFLAGS="-L/usr/local/lib" \
./configure
rather than simply ./configure. And install popt if you don't have it.
Check out the list archives at http://archives.seul.org/or/dev/ and see
if somebody else has reported your problem. If not, please subscribe
and let us know what you did to fix it, or give us the details and
we'll see what we can do.
Once you've got it compiled:
If you want to run a local onion proxy (that is, you're a user, not a
node operator), go into src/config and look at the oprc file. You can
run an onion proxy by "../or/or -f oprc". See below for how to use it.
If you want to set up your own test network (that is, act like you're
a full set of node operators), go into src/config/ and look at the
routers.or file. Also in that directory are public and private keys for
various nodes (*-public, *-private) and configuration files for the
nodes (*-orrc). You can generate your own keypairs with the orkeygen
program, or use the provided ones for testing.
Once you've got your config files ready, you're ready to start up your
network. I recommend using a screen session (man screen), or some
other way to handle many windows at once. I open a window for each
onion router, go into the src/config directory, and run something like
"../or/or -f moria2-orrc".
How to use it:
Download privoxy (www.privoxy.org). Install it. Add the following
line to your 'config' file:
forward-socks4a / localhost:9050 .
Don't forget the . at the end.
From here, you can point your browser/etc at localhost:8118 and your
traffic will go through Privoxy, then through the onion proxy, to the
onion routing network.
For more convenient command-line use, I recommend making a ~/.wgetrc
with the line
http_proxy=localhost:8118
Then you can do things like "wget seul.org" and watch as it downloads
from the onion routing network.
For fun, you can wget a very large file (a megabyte or more), and
then ^z the wget a little bit in. The onion routers will continue
talking for a while, queueing around 500k in the kernel-level buffers.
When the kernel buffers are full, and the outbuf for the AP connection
also fills, the internal congestion control will kick in and the exit
connection will stop reading from the webserver. The circuit will
wait until you fg the wget -- and other circuits will work just fine
throughout. Then try ^z'ing the onion routers, and watch how well it
recovers. Then try ^z'ing several of them at once. :)
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