VPS

• Server Debian 12 x64
• Computer Debian XX x64

Computer

1. TrueCrypt/VeraCrypt ssh container (/home/kali/.ssh/ssh) ←←← copy .ssh folder

2. Scripts Folder

• ssh_container_start
• #!/bin/bash
• xterm -e "/home/kali/Programs/TrueCrypt/usr/bin/truecrypt /home/kali/.ssh/ssh /media/truecrypt1 && \
• sudo mount --bind /media/truecrypt1/.ssh /home/kali/.ssh"

• ssh_container_stop
• #!/bin/bash
• xterm -e "sudo umount /home/kali/.ssh && \
• /home/kali/Programs/TrueCrypt/usr/bin/truecrypt -d /home/kali/.ssh/ssh"

3. Start ssh container (ssh_container_start)

4. ssh-keygen -t rsa -b 4096 -f /home/kali/.ssh/vps

Server

1. ssh root@XX.XX.XX.XX

2. ufw limit 22

3. ufw enable

4. ufw status verbose

5. adduser xxx

6. usermod -aG sudo xxx

7. id xxx

8. cp /etc/ssh/sshd_config /etc/ssh/sshd_config.orig

9. sshd -T

10. nano /etc/ssh/sshd_config

• PermitRootLogin no
• PubkeyAuthentication yes
• AllowUsers xxx
• Port 22
• Port XXXXX

11. systemctl restart sshd

12. systemctl status sshd

13. ufw limit XXXXX

14. ufw restart

15. nano /etc/ssh/sshd_config.d/*.conf #check

16. ssh xxx@XX.XX.XX.XX -p XXXXX #Terminal-2 check