- Secure Shell (SSH) for establishing encrypted connections between computers
- OpenSSH is open-source fork of SSH (authenticate with password, public-key auth, host-based auth, keyboard auth, challenge-response auth, GSSAPI auth)
- Rsync locally and remotely copying files
- R-Services enable remote access between Unix hosts over TCP/IP over ports 512, 513, and 514
Interaction / Commands
- Change authentication method
ssh -v username@IP_Adress -o PreferredAuthentications=password
sudo nmap -sV -p IP_Adresss
- Finding accessible shares, enumerating open share
nc -nv IP_Address 873
rsync -av --list-only rsync://IP_Adress/share
sudo nmap -sV -p 512,513,514 IP_Adress
- bypass authentication with /etc/hosts.equiv and .rhosts files
./ssh-audit.py IP_Address