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https://github.com/shadowsocks/shadowsocks-go
go port of shadowsocks (Deprecated)
https://github.com/shadowsocks/shadowsocks-go
Last synced: about 2 months ago
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go port of shadowsocks (Deprecated)
- Host: GitHub
- URL: https://github.com/shadowsocks/shadowsocks-go
- Owner: shadowsocks
- License: apache-2.0
- Archived: true
- Created: 2012-11-01T08:43:38.000Z (almost 12 years ago)
- Default Branch: master
- Last Pushed: 2020-04-09T06:44:51.000Z (over 4 years ago)
- Last Synced: 2024-06-18T10:52:41.962Z (3 months ago)
- Language: Go
- Homepage: http://shadowsocks.github.io/shadowsocks-go
- Size: 396 KB
- Stars: 6,619
- Watchers: 405
- Forks: 3,336
- Open Issues: 46
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG
- License: LICENSE
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README
# Deprecated
Use https://github.com/shadowsocks/go-shadowsocks2 instead.
# shadowsocks-go
Current version: 1.2.2 [](https://travis-ci.org/shadowsocks/shadowsocks-go)
shadowsocks-go is a lightweight tunnel proxy which can help you get through firewalls. It is a port of [shadowsocks](https://github.com/clowwindy/shadowsocks).
The protocol is compatible with the origin shadowsocks (if both have been upgraded to the latest version).
**Note `server_password` option syntax changed in 0.6.2, the client now connects to servers in the order specified in the config.**
**Please develop on the latest develop branch if you want to send pull request.**
# Install
Download precompiled binarys from the [release page](https://github.com/shadowsocks/shadowsocks-go/releases). (All compiled with cgo disabled, except the mac version.)
You can also install from source (assume you have go installed):
```
# on server
go get github.com/shadowsocks/shadowsocks-go/cmd/shadowsocks-server
# on client
go get github.com/shadowsocks/shadowsocks-go/cmd/shadowsocks-local
```
It's recommended to disable cgo when compiling shadowsocks-go. This will prevent the go runtime from creating too many threads for dns lookup.
# Usage
Both the server and client program will look for `config.json` in the current directory. You can use `-c` option to specify another configuration file.
Configuration file is in json format and has the same syntax with [shadowsocks-nodejs](https://github.com/clowwindy/shadowsocks-nodejs/). You can download the sample [`config.json`](https://github.com/shadowsocks/shadowsocks-go/blob/master/config.json), change the following values:
```
server your server ip or hostname
server_port server port
local_port local socks5 proxy port
method encryption method, null by default (table), the following methods are supported:
aes-128-cfb, aes-192-cfb, aes-256-cfb, bf-cfb, cast5-cfb, des-cfb, rc4-md5, rc4-md5-6, chacha20, salsa20, rc4, table
password a password used to encrypt transfer
timeout server option, in seconds
```
Run `shadowsocks-server` on your server. To run it in the background, run `shadowsocks-server > log &`.
On client, run `shadowsocks-local`. Change proxy settings of your browser to
```
SOCKS5 127.0.0.1:local_port
```
## About encryption methods
AES is recommended for shadowsocks-go. [Intel AES Instruction Set](http://en.wikipedia.org/wiki/AES_instruction_set) will be used if available and can make encryption/decryption very fast. To be more specific, **`aes-128-cfb` is recommended as it is faster and [secure enough](https://www.schneier.com/blog/archives/2009/07/another_new_aes.html)**.
**rc4 and table encryption methods are deprecated because they are not secure.**
### One Time Auth
OTA function is deprecated because it is reported to have potential security risk.
## Command line options
Command line options can override settings from configuration files. Use `-h` option to see all available options.
```
shadowsocks-local -s server_address -p server_port -k password
-m aes-128-cfb -c config.json
-b local_address -l local_port
shadowsocks-server -p server_port -k password
-m aes-128-cfb -c config.json
-t timeout
```
Use `-d` option to enable debug message.
## Use multiple servers on client
```
server_password specify multiple server and password, server should be in the form of host:port
```
Here's a sample configuration [`client-multi-server.json`](https://github.com/shadowsocks/shadowsocks-go/blob/master/sample-config/client-multi-server.json). Given `server_password`, client program will ignore `server_port`, `server` and `password` options.
Servers are chosen in the order specified in the config. If a server can't be connected (connection failure), the client will try the next one. (Client will retry failed server with some probability to discover server recovery.)
## Multiple users with different passwords on server
The server can support users with different passwords. Each user will be served by a unique port. Use the following options on the server for such setup:
```
port_password specify multiple ports and passwords to support multiple users
```
Here's a sample configuration [`server-multi-port.json`](https://github.com/shadowsocks/shadowsocks-go/blob/master/sample-config/server-multi-port.json). Given `port_password`, server program will ignore `server_port` and `password` options.
### Update port password for a running server
Edit the config file used to start the server, then send `SIGHUP` to the server process.
# Note to OpenVZ users
**Use OpenVZ VM that supports vswap**. Otherwise, the OS will incorrectly account much more memory than actually used. shadowsocks-go on OpenVZ VM with vswap takes about 3MB memory after startup. (Refer to [this issue](https://github.com/shadowsocks/shadowsocks-go/issues/3) for more details.)
If vswap is not an option and memory usage is a problem for you, try [shadowsocks-libev](https://github.com/madeye/shadowsocks-libev).