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xsocks

A secure and fast proxy for protect your network traffic

Introdution

  • xsocksd: Backend of xsocks, xtproxy, xforwarder
  • xsocks: A socks5 server
  • xtproxy: A Transparent Proxy
  • xforwarder: Forward data to a specific server
  • xtunnel: Like xforwarder, but standalone and specify target on server side

Features

  • Transparent Proxy for all tcp traffic and udp packet
  • Multithreading
  • Cross-platform, including PC (Linux, Windows), Mobile (Android) and Router (OpenWRT)

BUILD

Linux

make && sudo make install

OpenWRT

# At OpenWRT build root
git clone https://github.com/lparam/xsocks.git package/xsocks
make package/xsocks/openwrt/compile

Windows

# win32
make mingw32 HOST=i686-w64-mingw32
# win64
make mingw32 HOST=x86_64-w64-mingw32

Usage

Server

xsocksd -k PASSWORD
xtunnel -m server -k PASSWORD -t TARGET:PORT

Multithreading:

xsocksd -k PASSWORD -c THREADS

Stop:

xsocksd --signal stop

Client

xsocks -s SERVER:PORT -k PASSWORD
xforwarder -s SERVER:PORT -k PASSWORD -t TARGET:PORT
xtunnel -m client -k PASSWORD -t TARGET:PORT

Transparent Proxy

Proxy all tcp traffic and udp packet transparently on gateway.

root@OpenWrt:~# opkg install iptables-mod-tproxy
root@OpenWrt:~# opkg install xsocks_VER_ARCH.ipk

Modify your SERVER and PASSWORD in /etc/init.d/xsocks

#!/bin/sh /etc/rc.common
# Copyright (C) 2006-2014 OpenWrt.org

START=72
STOP=30
FIREWALL_RELOAD=0

SERVER=IP:PORT
PASSWORD=PASSWORD

LISTEN_PORT=1070
IP_ROUTE_TABLE_NUMBER=100
FWMARK="0x01/0x01"
SETNAME=wall
CHAIN=XSOCKS


start() {
    tproxy_start
    mkdir -p /var/run/xsocks
    xsocks -s $SERVER -k $PASSWORD
    xtproxy -s $SERVER -k $PASSWORD
    xforwarder -l 0.0.0.0:5533 -d 8.8.8.8:53 -s $SERVER -k $PASSWORD
}

stop() {
    tproxy_stop
    xsocks --signal stop
    xtproxy --signal stop
    xforwarder --signal stop
}

shutdown() {
    tproxy_stop
    xsocks --signal quit
    xtproxy --signal quit
    xforwarder --signal quit
}

tproxy_start() {
    iptables -t nat -D PREROUTING -p tcp -j $CHAIN > /dev/null 2>&1
    iptables -t nat -F $CHAIN > /dev/null 2>&1
    iptables -t nat -X $CHAIN > /dev/null 2>&1

    iptables -t mangle -D PREROUTING -j $CHAIN > /dev/null 2>&1
    iptables -t mangle -F $CHAIN > /dev/null 2>&1
    iptables -t mangle -X $CHAIN > /dev/null 2>&1

    iptables -t nat -N $CHAIN
    iptables -t mangle -N $CHAIN

    ipset -N $SETNAME iphash -exist

    ### TCP
    iptables -t nat -A $CHAIN -p tcp -m set --match-set $SETNAME dst -j REDIRECT --to-port $LISTEN_PORT
    iptables -t nat -A PREROUTING -p tcp -j $CHAIN

    ### UDP
    ip rule del fwmark $FWMARK table $IP_ROUTE_TABLE_NUMBER > /dev/null 2>&1
    ip route del local 0.0.0.0/0 dev lo table $IP_ROUTE_TABLE_NUMBER > /dev/null 2>&1

    ip rule add fwmark $FWMARK table $IP_ROUTE_TABLE_NUMBER
    ip route add local 0.0.0.0/0 dev lo table $IP_ROUTE_TABLE_NUMBER

    iptables -t mangle -A $CHAIN -p udp -m set --match-set $SETNAME dst -j TPROXY \
        --on-port $LISTEN_PORT --tproxy-mark $FWMARK
    iptables -t mangle -A PREROUTING -j $CHAIN
}

tproxy_stop() {
    iptables -t nat -D PREROUTING -p tcp -j $CHAIN > /dev/null 2>&1
    iptables -t nat -F $CHAIN > /dev/null 2>&1
    iptables -t nat -X $CHAIN > /dev/null 2>&1

    iptables -t mangle -D PREROUTING -j $CHAIN > /dev/null 2>&1
    iptables -t mangle -F $CHAIN > /dev/null 2>&1
    iptables -t mangle -X $CHAIN > /dev/null 2>&1

    ip rule del fwmark $FWMARK table $IP_ROUTE_TABLE_NUMBER > /dev/null 2>&1
    ip route del local 0.0.0.0/0 dev lo table $IP_ROUTE_TABLE_NUMBER > /dev/null 2>&1
}
root@OpenWrt:~# /etc/init.d/xsocks start
root@OpenWrt:~# ipset add SETNAME IP

License

Copyright (C) 2014 lparam

This program 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 3 of the License, or (at your option) any later version.

This program 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 this program. If not, see http://www.gnu.org/licenses/.

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A secure and fast proxy for protect your network traffic

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