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6cdc4da1e4
As suggested by @colinmkeith the UDP and DNS proxies should listen on different ports otherwise the DNS proxy can get traffic intended to the UDP proxy (or vice-versa) and handle it incorrectly as reported in #178. At first sight it seems that we had the code in place to try another port if the one we are binding is already bound, however, with UDP and REUSEADDR the OS will not refuse to bind two sockets to the same socket address, so both the UDP proxy and DNS proxy were being bound to the same pair.
sshuttle: where transparent proxy meets VPN meets ssh
=====================================================
As far as I know, sshuttle is the only program that solves the following
common case:
- Your client machine (or router) is Linux, FreeBSD, or MacOS.
- You have access to a remote network via ssh.
- You don't necessarily have admin access on the remote network.
- The remote network has no VPN, or only stupid/complex VPN
protocols (IPsec, PPTP, etc). Or maybe you *are* the
admin and you just got frustrated with the awful state of
VPN tools.
- You don't want to create an ssh port forward for every
single host/port on the remote network.
- You hate openssh's port forwarding because it's randomly
slow and/or stupid.
- You can't use openssh's PermitTunnel feature because
it's disabled by default on openssh servers; plus it does
TCP-over-TCP, which has terrible performance (see below).
Obtaining sshuttle
------------------
- Debian stretch or later::
apt-get install sshuttle
- From PyPI::
sudo pip install sshuttle
- Clone::
git clone https://github.com/sshuttle/sshuttle.git
sudo ./setup.py install
It is also possible to install into a virtualenv as a non-root user.
- From PyPI::
virtualenv -p python3 /tmp/sshuttle
. /tmp/sshuttle/bin/activate
pip install sshuttle
- Clone::
virtualenv -p python3 /tmp/sshuttle
. /tmp/sshuttle/bin/activate
git clone https://github.com/sshuttle/sshuttle.git
./setup.py install
- Homebrew::
brew install sshuttle
Documentation
-------------
The documentation for the stable version is available at:
http://sshuttle.readthedocs.org/
The documentation for the latest development version is available at:
http://sshuttle.readthedocs.org/en/latest/