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https://github.com/paulzql/shadowsocks-ex
elixir port of shadowsocks
https://github.com/paulzql/shadowsocks-ex
elixir erlang proxy shadowsocks
Last synced: 26 days ago
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elixir port of shadowsocks
- Host: GitHub
- URL: https://github.com/paulzql/shadowsocks-ex
- Owner: paulzql
- License: other
- Created: 2017-06-23T04:23:44.000Z (over 7 years ago)
- Default Branch: master
- Last Pushed: 2018-12-18T15:02:28.000Z (almost 6 years ago)
- Last Synced: 2024-10-01T10:01:59.234Z (about 1 month ago)
- Topics: elixir, erlang, proxy, shadowsocks
- Language: Elixir
- Size: 73.2 KB
- Stars: 45
- Watchers: 3
- Forks: 8
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# Shadowsocks-ex
shadowsocks-ex is a elixir port of [shadowsocks](https://github.com/shadowsocks/shadowsocks)
A fast tunnel proxy that helps you bypass firewalls.
Features:
- TCP support
- UDP support (only server)
- Client support (socks5 and http proxy)
- Server support
- OTA support
- Mulit user support
- Transparent Proxy Client support
- Anti protocol detection
- IP blacklist support
- Simple obfs support
Encryption methods
- rc4-md5
- aes-128-cfb
- aes-192-cfb
- aes-256-cfb
- aes-128-ctr
- aes-192-ctr
- aes-256-ctr
- aes-128-gcm
- aes-192-gcm
- aes-256-gcm
## Installation
The package can be installed
by adding `shadowsocks` to your list of dependencies in `mix.exs`:
```elixir
def deps do
[{:shadowsocks, "~> 0.5"}]
end
```
## Documentation
The online docs can
be found at [https://hexdocs.pm/shadowsocks](https://hexdocs.pm/shadowsocks).
## Usage
### start a listener
```elixir
Shadowsocks.start(args)
```
the `args` is a keyword list, fields:
* `type` required `atom` - the connection type, `:client` or `:server` or custom module name
There are currently four built-in `type`:
1. `Shadowsocks.Conn.Client` - general client, alias is `:client`
2. `Shadowsocks.Conn.Server` - general server, alias is `:server`
3. `Shadowsocks.Conn.TransparentClient` - transparent client, use iptables forward to this port instead socks5 client
4. `Shadowsocks.Conn.ObfsServer` - simple http obfs server (Compatible with raw protocol, It means that can both accept http obfs client and original shadowsocks client. see: [https://github.com/shadowsocks/simple-obfs](https://github.com/shadowsocks/simple-obfs))
* `port` required `integer` - listen port
* `ip` optional `tuple` - listen ip, example: `{127,0,0,1}`
* `method` optional `string` - encode method, default: `"rc4-md5"`
* `password` required `string` - encode password
* `ota` optional `bool` - is force open one time auth, default: `false`
* `server` optional `tuple` - required if `type` is `:client`, example: `{"la.ss.org", 8388}`
* `udp` optional `bool` - enable udp relay (only support server side)
### stop a listener
```elixir
Shadowsocks.stop(port)
```
stop listener by listen port, always return `:ok`
### update listener args
```elixir
Shadowsocks.update(port, args)
```
the `args` is a keyword list, *see `Shadowsocks.start/1` method*
## IP blacklist
### block ip
```elixir
# block ipv4 address (also will add a ipv6 rule when ipv4 rule added)
Shadowsocks.BlackList.add({127,0,0,1})
# block ipv6 address
Shadowsocks.BlackList.add({0,0,0,0,0,0,0,1})
```
### unblock ip
```elixir
Shadowsocks.BlackList.del({127,0,0,1})
```
### clear blacklist
```elixir
# clear all rules
Shadowsocks.BlackList.clear(:all)
# clear static rules
Shadowsocks.BlackList.clear(:static)
# clear dynamic rules
Shadowsocks.BlackList.clear(:dynamic)
```
### list blacklist
```elixir
Shadowsocks.BlackList.list()
```
## Configuration
### startup listeners example:
```elixir
config :shadowsocks, :listeners,
[
[
type: :server,
method: "aes-192-cfb",
password: "pass",
port: 8888,
ota: true,
ip: {127, 0, 0, 1}
],
[
type: Shadowsocks.Conn.Http302,
method: "rc4-md5",
password: "pass",
port: 8889,
ota: false,
ip: {0, 0, 0, 0},
redirect_url: "https://google.com"
],
[
type: :client,
method: "aes-192-cfb",
password: "pass",
server: {"localhost", 8888},
port: 1080,
ota: true,
ip: {127, 0, 0, 1}
],
]
```
### compile time configs
```elixir
config :shadowsocks, :report,
port_min_flow: 5 * 1024 * 1024, # report flow when cached flow exceed :port_min_flow
port_min_time: 60 * 1000, # report flow when cached flow after :port_min_time
conn_min_flow: 5 * 1024 * 1024 # send flow to listener when cached flow exceed :conn_min_flow
config :shadowsocks, :protocol,
recv_timeout: 180000, # timeout for receive header
anti_max_time: 10000, # anti max delay time (ms), random sleep time before close connection
anti_max_bytes: 500, # anti max reply bytes, random bytes send to client
anti_detect: true # on / off anti protocol detection
config :shadowsocks,:skip_localhost, true # skip local lookback address(remote address), prevent attacks
```
### runtime configs
```elixir
# dynamic block attack ip
config :shadowsocks, :dynamic_blocklist,
enable: true,
attack_times: 30, # block ip when attack times more than attack_times in attack_time
collect_duration: 3600 * 1000, # collect attack times every collect_duration
block_expire: 7 * 3600 * 1000 # how long to block ip
```
## Connection Events
Event name: `Shadowsocks.Event`
events:
```elixir
{:port, :open, port} # when start listener on port
{:conn, :open, {port, pid, addr}} # when received connection request
{:conn, :close, {port, pid, reason, flow}} # when connection process exited
{:conn, :connect, {port, pid, {ret, addr, port}}} # connect to remote addr result
{:port, :flow, {port, down, up}} # flow report on the port
{:bad_request, port, addr} # bad client connection detected (`port` is listener port, `addr` is client addr)
{:dynamic_blocked, addr} # the addr was blocked by dynamic block rules
```