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A lightweight proxy designed to be proof to IP blocking measures

Project description

ArkC is a lightweight proxy designed to be proof to IP blocking measures and offer high proxy speed via multi-connection transmission and swapping connections.

ArkC-Client is the client-side utility. In a LAN environment, it either works with UPnP-enabled routers or requires NAT configuration if the client is behind a router.

Note: ArkC 0.3 is not compatible with 0.2 or earlier versions.


What is ArkC?

ArkC enables VPS owners to share their VPS to people around them, or share online, the proxy hosted on their VPS, without worrying about IP blacklists.

For a more detailed description, please visit our website and read our page Understand ArkC. 中文版本的介绍在这一页面 ArkC的原理

This is what it tries to do by default:

And making it a little bit more complicated, e.g. set obfs_level to 3 or use a socks proxy:

Note, “anonymous_proxy” can be anything you set!

Setup and Requirement

For a probably more detailed guide: Deployment and Installation. 对于安装与部署的中文说明在 部署与安装ArkC 这一页面。

For Windows users, you are recommended to use our Windows GUI, installer along with latest ArkC client binary executable, in the Github release page. Just pick your .Net Framework version and download.

For users with python3 pip development environment (Note: We don’t recommend using python 2):

sudo pip3 install arkcclient

To install python3 and pip3 with python.h:

Debian/Ubuntu users

sudo apt-get install python3 python3-pip python3-dev

Fedora users

yum install python3 python3-devel python3-pip

You may also install ArkC via source.

To get ArkC Client work, you must satisfy ONE OF the following conditions (unless you are the expert): 1) connect to public Internet directly 2) connect to the Internet via a UPnP-enabled router, in a single-layer LAN 3) router(s) on your route to the public Internet are properly configured with NAT to allow your server to connect to your client’s “remote_port” directly.

If you need to use portable proxy function, like MEEK (required to integrate with GAE) or obfs4proxy, please follow the above link to


For detailed documentation, please visit our Documentation page.

中文版本的使用文档,请参见 如何使用ArkC


arkcclient [-h] [-v|-vv] [-pn] -c <Path of the config Json file>

[-pn] is used to disable UPnP.

In this version, any private certificate should be in the form of PEM without encryption, while any public certificate should be in the form of ssh-rsa.

We could generate a keypair with

arkcclient -kg [--kg-path Key_Generated_Path]

And the keys can be sent to an email address used by the server provider with this command

arkcclient -reg Email_Address_to_send

Automatically the server should add the key to its key storage.

For the configuration file, you can find an example here:

    "dns_servers": [
            ["", 53],
            ["", 9000]


For a full list of settings:

Index name

Value Type & Description

Required / Default


string, proxy listening addr



integer, proxy port



string, listening host



integer, listening port

random between 20000 and 60000


integer, how many conn. (max. 100)



string, path of client pri



string, path of client pub



string, path of server pub



string, standard domain



list, servers to send dns query to

[] (use system resolver)


string, address of the client (only for debug use)



string, command line of PT executable



integer, obfs leve 0~3, the same as server side


Note: if obfs_level is set, pt_exec must be appropriate set. It is set to use obfs4 or MEEK, both Tor pluggable transport (abbr: PT). MEEK is like GoAgent, and obfs4 is used to obfuscate all the traffic.

If set to 1 or 2, Obfs4 will use an IAT mode of (obfs_level + 1), which means if obfs_level is set to 1 or 2, the connection speed may be affected.

If obfs_level is set to 3, MEEK will be used to transmit all data via a pre-configured MEEK service at the server side. By default it passes through Google App Engine.

Build on Windows into executable

pip install pyinstaller
pyinstaller [--onefile]

Questions | 使用或安装时遇到问题

Go to our FAQ page.

常见问题请参考 FAQ


The client-end software adapted part of the pyotp library created by Mark Percival His code is reused under Python Port copyright, license attached.

File arkcclient/ is based on ptproxy by Dingyuan Wang. Code reused and edited under MIT license, attached in file.


Copyright 2015 ArkC Technology.

The ArkC-client and ArkC-server utilities are licensed under GNU GPLv2. You should obtain a copy of the license with the software.

ArkC is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

ArkC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with ArkC. If not, see

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