3proxy

https://qna.habr.com/user/z3apa3a/answers

https://qna.habr.com/q/1379850

Настройка 3proxy

https://habr.com/ru/articles/969618/comments/#comment_29183026

sudo apt install gcc make git
wget --no-check-certificate -O 3proxy-0.9.5.tar.gz https://github.com/z3APA3A/3proxy/archive/0.9.5.tar.gz
tar xzf 3proxy-0.9.5.tar.gz
cd 3proxy-0.9.5
make -f Makefile.Linux
sudo mkdir /etc/3proxy/ /var/log/3proxy/
sudo mv bin/3proxy /usr/bin/
sudo touch /etc/3proxy/3proxy.cfg
sudo chmod 644 /etc/3proxy/3proxy.cfg
sudo touch /lib/systemd/system/3proxy.service

MD5 crypt

https://unix4lyfe.org/crypt/