SOCKS Proxy

Prerequisite

apt -y install libwrap0-dev

Download

cd /usr/src
wget http://www.inet.no/dante/files/dante-1.4.2.tar.gz

Extract

tar xvf dante-1.4.2.tar.gz
rm -f dante-1.4.2.tar.gz
cd dante-1.4.2

Build

./configure
make
make install

Start dante

/usr/local/sbin/sockd &

Configuration

vi /etc/sockd.conf

logoutput: /var/log/socks.log

internal: eth0 port = 1080
external: tun0

socksmethod: username none
clientmethod: none

user.privileged: proxy
user.notprivileged: nobody
user.libwrap: nobody

client pass {
        from: 0.0.0.0/0 port 1-65535 to: 0.0.0.0/0
        log: connect disconnect error
}

socks pass {
        from: 0.0.0.0/0 to: 0.0.0.0/0
        protocol: tcp udp
        log: connect disconnect error
}

Create PID file

touch /var/run/sockd.pid
chmod 666  /var/run/sockd.pid

Start at boot.

vi /opt/socks-server

#!/bin/bash

touch /var/run/sockd.pid
chmod 666  /var/run/sockd.pid

COUNTER=0

while [ $(ifconfig | grep -c tun0) -eq 0 ]; do
            sleep 1

            let COUNTER++

            if [ $COUNTER -gt 60 ]
                 then
                     exit 1
                  fi
   done

/usr/local/sbin/sockd &

chmod +x /opt/socks-server

vi /etc/rc.local

Add the line

/opt/socks-server &