![]() ![]() Because of this, SSH keys should be encrypted with a password that acts as a second factor. ![]() Just like a password, if a private key is recovered by an attacker, it can be used to access the server. The generated public key is added to the target host’s SSH authorized_keys file. Users should secure access to their generated private key just like it is a secret. These keys offer strong configurable asymmetric encryption. In addition, SSH allows users to create a public and private key pair that can subsequently be used in place of a password. SSH connections can be established with only a username and password for authentication. It would be a significant failure if offensive operations infrastructure was compromised or even accessible to adversaries. This is especially true if the SSH server is internet accessible. Firewallīecause SSH facilitates remote control of a host, the SSH server should always be configure with firewall rules that whitelist connection from a specific host. The most common SSH client/server is the OpenSSH implementation and is the application used for all references in this post. Most Linux-based servers have a SSH server installed and both Windows and Linux have a built-in SSH client. SSH is a protocol that allows a user to remotely connect to a host and typically provides an interactive shell or command prompt that can further be leveraged to execute commands. ![]()
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