shadowsocks/README.md
2014-05-02 12:28:53 +08:00

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shadowsocks
===========
Current version: 1.4.0 [![Build Status](https://travis-ci.org/clowwindy/shadowsocks.png?branch=master)](https://travis-ci.org/clowwindy/shadowsocks)
shadowsocks is a lightweight tunnel proxy which can help you get through firewalls.
Other ports and clients can be found [here](https://github.com/clowwindy/shadowsocks/wiki/Ports-and-Clients).
[中文说明](https://github.com/clowwindy/shadowsocks/wiki/Shadowsocks-%E4%BD%BF%E7%94%A8%E8%AF%B4%E6%98%8E)
Usage
-----------
First, make sure you have Python 2.6 or 2.7.
$ python --version
Python 2.6.8
Install Shadowsocks.
pip install shadowsocks
Create a file named `config.json`, with the following content.
{
"server":"my_server_ip",
"server_port":8388,
"local_port":1080,
"password":"barfoo!",
"timeout":600,
"method":"table"
}
Explanation of the fields:
server your server IP (IPv4/IPv6), notice that your server will listen to this IP
server_port server port
local_port local port
password a password used to encrypt transfer
timeout in seconds
method encryption method, "bf-cfb", "aes-256-cfb", "des-cfb", "rc4", etc. Default is table, which is not secure. "aes-256-cfb" is recommended
fast_open use TCP_FASTOPEN, true/false
`cd` into the directory of `config.json`. Run `ssserver` on your server. To run it in the background, run
`nohup ssserver > log &`.
On your client machine, run `sslocal`.
Change the proxy settings in your browser to
protocol: socks5
hostname: 127.0.0.1
port: your local_port
**Notice: If you want to use encryption methods other than "table", please install M2Crypto (See Encryption Section).**
It's recommended to use shadowsocks with AutoProxy or Proxy SwitchySharp.
Command line args
------------------
You can use args to override settings from `config.json`.
sslocal -s server_name -p server_port -l local_port -k password -m bf-cfb
ssserver -p server_port -k password -m bf-cfb
ssserver -c /etc/shadowsocks/config.json
Encryption
------------
Default encryption method table, which is not secure, is not recommended. Please use "aes-256-cfb" or "bf-cfb". "rc4" is not secure, either, please don't use it.
List of all encryption methods:
- aes-128-cfb
- aes-192-cfb
- aes-256-cfb
- bf-cfb
- camellia-128-cfb
- camellia-192-cfb
- camellia-256-cfb
- cast5-cfb
- des-cfb
- idea-cfb
- rc2-cfb
- rc4
- seed-cfb
- table
**If you want to use encryption method other than "table", please install [M2Crypto](http://chandlerproject.org/Projects/MeTooCrypto).**
Ubuntu:
apt-get install python-m2crypto
Others:
apt-get install openssl-dev swig
pip install M2Crypto
Please notice that some encryption methods are not available on some environments.
Performance
------------
You may want to install gevent for better performance.
$ sudo apt-get install python-gevent
Or:
$ sudo apt-get install libevent-dev python-pip
$ sudo pip install gevent
If both of your server and client are deployed on Linux 3.7+, you can turn on
fast_open for lower latency.
echo 3 > /proc/sys/net/ipv4/tcp_fastopen
License
-------
MIT
Bugs and Issues
----------------
Please visit [issue tracker](https://github.com/clowwindy/shadowsocks/issues?state=open)
Mailing list: http://groups.google.com/group/shadowsocks
Also see [troubleshooting](https://github.com/clowwindy/shadowsocks/wiki/Troubleshooting)