redsocks

gistfile1.txt

http://releases.ubuntu.com/18.04/ubuntu-18.04.4-desktop-amd64.iso.torrent

https://github.com/unetbootin/unetbootin/releases/download/677/unetbootin-windows-677.exe

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выполнить команды
sudo add-apt-repository universe
sudo apt install redsocks net-tools


sudo gedit /etc/sysctl.conf

раскоментировать 
net.ipv4.ip_forward = 1

применить
sudo sysctl -p /etc/sysctl.conf

проверить
cat /proc/sys/net/ipv4/ip_forward

настройка redsocks
sudo gedit /etc/redsocks.conf 

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iptables-restore < ~/Downloads/iptables-save.txt

# Generated by iptables-save v1.8.3 on Wed Dec  4 10:14:11 2019
*nat
:PREROUTING ACCEPT [132:10921]
:INPUT ACCEPT [87:7317]
:OUTPUT ACCEPT [220:15238]
:POSTROUTING ACCEPT [59:4492]
:REDSOCKS - [0:0]
-A PREROUTING -i eno1 -p tcp -j LOG --log-prefix "pre_in: "
-A PREROUTING -i eno1 -p tcp -j REDSOCKS
-A POSTROUTING -o enp7s0 -j MASQUERADE
-A POSTROUTING -s 10.0.0.0/24 -o enp7s0 -j MASQUERADE
-A POSTROUTING -o enp7s0 -j LOG --log-prefix "o_wlp: "
-A REDSOCKS -j LOG --log-prefix "redsocks: "
-A REDSOCKS -d 0.0.0.0/8 -j RETURN
-A REDSOCKS -d 10.0.0.0/8 -j RETURN
-A REDSOCKS -d 100.64.0.0/10 -j RETURN
-A REDSOCKS -d 127.0.0.0/8 -j RETURN
-A REDSOCKS -d 169.254.0.0/16 -j RETURN
-A REDSOCKS -d 172.16.0.0/12 -j RETURN
-A REDSOCKS -d 192.168.0.0/16 -j RETURN
-A REDSOCKS -d 198.18.0.0/15 -j RETURN
-A REDSOCKS -d 224.0.0.0/4 -j RETURN
-A REDSOCKS -d 240.0.0.0/4 -j RETURN
-A REDSOCKS -p tcp -j REDIRECT --to-ports 12345
COMMIT
# Completed on Wed Dec  4 10:14:11 2019
# Generated by iptables-save v1.8.3 on Wed Dec  4 10:14:11 2019
*filter
:INPUT ACCEPT [773698:743053383]
:FORWARD ACCEPT [62:10647]
:OUTPUT ACCEPT [401494:721922647]
-A FORWARD -d 8.8.8.8/32 -p udp -j ACCEPT
-A FORWARD -s 10.0.0.0/24 -p udp -j DROP
COMMIT
# Completed on Wed Dec  4 10:14:11 2019