length=$[ 6 +$[RANDOM % 6]]

char=(0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z)

max=${#char[*]}
for ((i = 1; i <= $length ; i++))do

let rand=${RANDOM}%${max}
password="${password}${char[$rand]}"

done
length=$[ 6 +$[RANDOM % 6]]

char=(0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z)

max=${#char[*]}
for ((i = 1; i <= $length ; i++))do

let rand=${RANDOM}%${max}
username="${username}${char[$rand]}"
done
echo "##Main##

#Starting 3proxy as a service/daemon
daemon

#DNS Servers to resolve domains and for the local DNS cache
#that providers faster resolution for cached entries
nserver 91.239.100.100
nserver 89.233.43.71
nscache 65536

#Authentication
#CL = Clear Text, CR = Encrypted Passswords (MD5)
#Add MD5 users with MD5 passwords with "" (see below)
#users "user:CR:password"
users $username:CL:$password

#Logging
log /var/log/3proxy/3proxy.log D
logformat \"- +_L%t.%. %N.%p %E %U %C:%c %R:%r %O %I %h %T\"
rotate 30

#Auth type
#auth strong = username & password
auth strong

#Binding address
external 0.0.0.0
internal 0.0.0.0

#SOCKS5
auth strong
flush
allow $username
maxconn 384
socks -p1080" > /root/3proxy/3proxy.cfg
sleep 1
echo "username: " $username
echo "password: "  $password
echo ifconfig | awk -F':' '/inet addr/&&!/127.0.0.1/{split($2,_," ");print _[1]}'