Is SSH com safe?
The SSH protocol is believed to be secure against cryptographic attacks on the network, provided keys and credentials are properly managed. However, we do not recommend using diffie-hellman-group1-sha1 key exchange.
What is SSH used for?
SSH or Secure Shell is a network communication protocol that enables two computers to communicate (c.f http or hypertext transfer protocol, which is the protocol used to transfer hypertext such as web pages) and share data.
Do I need to download SSH?
(Try opening a terminal window and typing 'ssh'.) You don't need to download or install any additional software. (If your distribution of Linux did not include the ssh program by default, search for the 'OpenSSH' package with your distribution's package manager.)
How do I enable SSH?
Activate or deactivate the SSH server
- sudo rm -f /etc/ssh/sshd_not_to_be_run sudo systemctl enable ssh sudo systemctl start ssh.
- sudo mv /etc/init/ssh.conf.back /etc/init/ssh.conf sudo start ssh.
- sudo systemctl stop ssh sudo systemctl disable ssh.
- sudo stop ssh sudo mv /etc/init/ssh.conf /etc/init/ssh.conf.back.