Shadowsocksr Native

翻墙 从容穿越党国敏感日 ShadowsocksR (SSRoT) native implementation for all platforms, GFW terminator
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Please use overtls instead

** overtls, SSRoT SSR SS, OT Rust **

Please use overtls, a Rust implementation of SSRoT without SSR and SS, only retaining OT, which is fast and stable.



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New feature: GFW terminator SSRoT English tutorial



ShadowsocksR-native is a lightweight secured SOCKS5 proxy for embedded devices and low-end boxes. It's derived from Shadowsocks-libev.

It is a port of ShadowsocksR created by @breakwa11, which is maintained by @ssrlive.

Current version: 0.4 | Changelog


ShadowsocksR-native is written in pure C and only depends on libuv , mbedTLS , libsodium and json-c.

In normal usage, the memory footprint is about 600KB and the CPU utilization is no more than 5% on a low-end router (Buffalo WHR-G300N V2 with a 400MHz MIPS CPU, 32MB memory and 4MB flash).

For a full list of feature comparison between different versions of shadowsocks, refer to the Wiki page.

Encrypto method

none table
rc4 rc4-md5-6 rc4-md5
aes-128-cfb aes-192-cfb aes-256-cfb
aes-128-ctr aes-192-ctr aes-256-ctr
camellia-128-cfb camellia-192-cfb camellia-256-cfb
bf-cfb cast5-cfb des-cfb idea-cfb rc2-cfb seed-cfb
salsa20 chacha20 chacha20-ietf
aes-128-gcm aes-192-gcm aes-256-gcm chacha20-ietf-poly1305 xchacha20-ietf-poly1305

Protocols & obfuscators

Protocols obfuscators
origin plain
auth_sha1_v4 http_simple
auth_aes128_sha1 http_post
auth_aes128_md5 http_mix
auth_chain_a tls1.2_ticket_auth
auth_chain_b tls1.2_ticket_fastauth

progress of data flow

|                +--------------------------------------------------------+   |
|                |               +------------------------------------+   |   |
|                |               |            +-------------------+   |   |   |
|  obfuscator    |   encryptor   |  protocol  |     user data     |   |   |   |
|   |            |       |       |      |     +-------------------+   |   |   |
|   |            |       |       +------+-----------------------------+   |   |
|   |            +-------+--------------+---------------------------------+   |
    |                    |              |                                            
    +-- server_encode    +-- encrypt    +-- server_pre_encrypt       <<<=== user data
    |                    |              |                                            
    +-- server_decode    +-- decrypt    +-- server_post_decrypt      ===>>> user data


Distribution-specific guide

Debian & Ubuntu

For Unix-like systems, especially Debian-based systems, e.g. Ubuntu, Debian or Linux Mint, you can build the binary like this:

# Debian / Ubuntu
# sudo su                       # using root account
sudo apt-get update -y
sudo apt-get upgrade -y
sudo apt-get install --no-install-recommends build-essential autoconf libtool asciidoc xmlto -y
sudo apt-get install git gcc g++ gdb cmake automake -y
sudo apt-get -f install -y

# cd /                          # switch to root directory
git clone --recursive ssr-n
cd ssr-n                      # enter ssr-n directory. 

# build ShadowsocksR-native
mkdir build && cd build
cmake .. && make
# make install
# /bin/cp -rfa src/ssr-* /usr/bin

# build 32-bit binary
sudo apt-get install gcc-multilib -y
rm -rf *
cmake -D CMAKE_C_FLAGS=-m32 .. && make

The target binaries are ssr-n/build/src/ssr-server, ssr-n/build/src/ssr-client.


CentOS 7 only. we don't support CentOS 6.x, it's too old.

Before build ssr-Native, we must install cmake 3.x first. following this

# CentOS / Fedora / RHEL
sudo su
yum install wget git gcc gcc-c++ gdb autoconf automake libtool make asciidoc xmlto -y
curl -o
sh --prefix=/usr/ --exclude-subdir && rm -rf
cd /
git clone --recursive ssr-n
cd ssr-n

# Since there no stdatomic.h exist in CentOS 7, we have to use older libuv version.
# Fedora / RHEL can skip the steps.
cd depends/libuv
git checkout 71932a9fc9e234b3ebac90de0dd061fb00ba191b
cd ../..

mkdir build && cd build
cmake .. && make
# make install
# /bin/cp -rfa src/ssr-* /usr/bin

The target binaries are ssr-n/build/src/ssr-server, ssr-n/build/src/ssr-client.


For macOS, we must download/install/run Xcode first.

Then use Homebrew to install or build.

Install Homebrew and tools:

ruby -e "$(curl -fsSL"
brew install git cmake automake libtool
brew upgrade git cmake automake libtool

Now get source code and build it.

git clone --recursive ssr-n
cd ssr-n

mkdir build && cd build
cmake .. && make

The target binaries are ssr-n/build/src/ssr-server, ssr-n/build/src/ssr-client.


For Windows, chekout the project using the following commands then open win32/ssr-native.sln with Visual Studio 2010. Enjoy it!

git clone --recursive ssr-n


For a detailed and complete list of all supported arguments, you may refer to the man pages of the applications, respectively.


       [-c <config_file>]         The path to config file

       [-d]                       Run in background as a daemon.

       [-h]                       Show this help message.

Sample configure file


    "password": "password",
    "method": "aes-128-ctr",
    "protocol": "auth_aes128_md5",
    "protocol_param": "",
    "obfs": "tls1.2_ticket_auth",
    "obfs_param": "",

    "udp": true,
    "idle_timeout": 300,
    "connect_timeout": 6,
    "udp_timeout": 6,

    "server_settings": {
        "listen_address": "",
        "listen_port": 12475

    "client_settings": {
        "server": "",
        "server_port": 12475,
        "listen_address": "",
        "listen_port": 1080

    "over_tls_settings": {
        "enable": false,
        "server_domain": "",
        "path": "/udg151df/",
        "root_cert_file": ""


In the CentOS 7, the cmake version is too old to work with ShadowsocksR-Native. So we must install it by ourselves.

sudo su
cd /
wget --no-check-certificate -O
bash  --prefix=/usr/ --exclude-subdir
rm -rf
cmake --version

And the cmake --version command will output message likes:

cmake version 3.25.0
CMake suite maintained and supported by Kitware (

Deploy server

Supporting CentOS 7 / Debian / Ubuntu with the following commands

sudo su
wget --no-check-certificate
chmod +x
./ 2>&1 | tee ssr-n.log

After installation, we can view the status with

systemctl status ssr-native.service

And we can view or edit the configuration with cat or vi in root privilege

cat /etc/ssr-native/config.json

After we changed the server configuration, we must restart the service to make the changes take effect.

systemctl restart ssr-native.service

To stop the server, please run

systemctl stop ssr-native.service

To uninstall the server, use the following command

./ uninstall

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