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Wednesday, 13 December 2017

Dragonite

A reliable application level data transport protocol based on UDP, highly optimized for lossy & unstable networks. (Java version) 

Dragonite is a reliable application level data transport protocol based on UDP. Highly optimized for lossy & unstable networks. Use cases include
  • Transfer data between countries over lossy network connections
  • Your application needs a persistent connection to your servers, without interference from NAT gateways
  • Firewall blocking TCP
Dragonite Network Project contains a series of Dragonite-based network applications.
Dragonite 是一个基于 UDP 的可靠传输协议，能针对高丢包与不稳定的网络极大提高传输速度。本项目有一系列基于 Dragonite 协议的应用，例如 TCP 双边加速流量转发工具与加密 SOCKS5 代理。
中文用户请加入 Telegram 群组
from  https://github.com/dragonite-network/dragonite-java
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Dragonite：一个双边加速工具


Dragonite是JAVA开发的，所以需要服务端和客户端都安装JAVA环境。
Windows在这里下载JAVA安装包就能安装了：
https://www.java.com/zh_CN/download/windows-64bit.jsp
下面是Debian10配置Dragonite加速Shadowsocks的简易方法，首先安装需要用到的工具：
apt -y update
apt -y install default-jre
apt -y install shadowsocks-libev supervisor wget nano unzip
编辑ss配置文件：
nano /etc/shadowsocks-libev/config.json
使用下面的配置：
{
    "server":"0.0.0.0",
    "mode":"tcp_and_udp",
    "server_port":20001,
    "local_port":1080,
    "password":"shadowsocks密码",
    "timeout":60,
    "method":"chacha20-ietf-poly1305"
}
重启ss：
systemctl restart shadowsocks-libev
systemctl enable shadowsocks-libev
下载dragonite：
cd /opt
wget https://github.com/dragonite-network/dragonite-java/releases/download/fwd-0.4.0-prx-0.4.0/dragonite-forwarder-0.4.0.zip
unzip dragonite-forwarder-0.4.0.zip
cd dragonite-forwarder-0.4.0/bin
放在前台测试运行一下，看能不能正常工作：
./dragonite-forwarder -s -f 20001
可以话的退出来新建一个supervisor的配置文件：
nano /etc/supervisor/conf.d/dragonite.conf
写入下面的配置：
[program:dragonite]
priority=1
directory=/opt/dragonite-forwarder-0.4.0/bin
command=/opt/dragonite-forwarder-0.4.0/bin/dragonite-forwarder -s -f 20001
autostart=true
autorestart=true
redirect_stderr=true
stdout_logfile=/var/log/supervisor/dragonite.log
更新supervisor配置/设置开机自启：
supervisorctl update
systemctl enable supervisor
客户端这边开一个powershell，进入到程序的bin目录下：
cd C:\Users\LALA\Desktop\dragonite-forwarder-0.4.0\bin
使用下面的命令运行程序：
.\dragonite-forwarder -a 服务器公网IP -f 20001 -d 100 -u 30
其中-d是指你的本地宽带下行速率，-u是上行速率，单位是Mbps。
最后在ss内添加一个节点.
-------------------

利用dragonite-proxy翻墙

登陆linux vps.
wget https://github.com/dragonite-network/dragonite-java/releases/download/fwd-0.4.0-prx-0.4.0/dragonite-proxy-0.4.0.zip
mkdir dragonite-proxy-0.4.0
mv dragonite-proxy-0.4.0.zip dragonite-proxy-0.4.0
cd dragonite-proxy-0.4.0
unzip dragonite-proxy-0.4.0.zip
cd dragonite-proxy-0.4.0
cp samples/sample-server-full.json bin/server-full.json
cd bin
nano server-full.json
(其内容为：
{
  "server": true,
  "addr": "0.0.0.0",
  "port": 9225,
  "password": "我的密码",
  "limit": 100,
  "loopback": false,
  "mtu": 1300,
  "multiplier": 4,
  "dscp": 0
} ）
nano /etc/systemd/system/dragonite-proxy-0.4.0.service
(其内容为：
[Unit]
After=network.target

[Service]
ExecStart=/root/dragonite-proxy-0.4.0/dragonite-proxy-0.4.0/bin/dragonite-proxy -c /root/dragonite-proxy-0.4.0/dragonite-proxy-0.4.0/bin/server-full.json
Restart=always

[Install]
WantedBy=multi-user.target )

然后，
systemctl start dragonite-proxy-0.4.0
systemctl enable dragonite-proxy-0.4.0
服务器端搭建完成。

在本地机器mac上。
wget https://github.com/dragonite-network/dragonite-java/releases/download/fwd-0.4.0-prx-0.4.0/dragonite-proxy-0.4.0.zip
mkdir dragonite-proxy-0.4.0
mv dragonite-proxy-0.4.0.zip dragonite-proxy-0.4.0
cd dragonite-proxy-0.4.0
unzip dragonite-proxy-0.4.0.zip
cd dragonite-proxy-0.4.0
cp samples/sample-client-full.json bin/client-full.json
cd bin
nano client-full.json
(其内容为：
{
  "server": false,
  "addr": "vps-public-ip",
  "port": 9225,
  "socks5port": 1081,
  "password": "我的密码",
  "up": 20,
  "down": 100,
  "mtu": 1300,
  "multiplier": 4,
  "dscp": 0
} )

然后，
./dragonite-proxy -c client-full.json
不要关闭此terminal.

然后设置浏览器的socks5 proxy为127.0.0.1 ，端口1081 ，浏览器即可翻墙。

项目地址：
https://github.com/dragonite-network/dragonite-java/wiki/dragonite-proxy-%E4%B8%AD%E6%96%87%E4%BB%8B%E7%BB%8D
https://github.com/dragonite-network/dragonite-java/releases

注：此法没有socks5-proxy-by-yuanrenguang715（https://briteming.blogspot.com/2020/05/socks5-proxy-by-yuanrenguang715.html）稳定。

我从这个程序dragonite-proxy的配置文件是没看出它在哪里进行了加密，但是从这个issue:
https://github.com/dragonite-network/dragonite-java/issues/8
作者说：“All packets are encrypted with AES if you turn on encryption, so I would say the payload itself should have no special "pattern". Theoretically, it's possible to detect Dragonite by the traffic patterns. But it should be hard。“
只是怎么样“turn on encryption”？根本没看到打开加密的选项在哪里。




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