Secure Shell (SSH)
Secure Shell (SSH) (1995) is a cryptographic network protocol for connecting to ssh network services providing encrypted communication and authentication. Most popular implementation is open source OpenSSH.
OpenSSH includes the following binaries:
ssh, ssh client to connect using Secure Shell protocol
scp, a replacement for obsoleted rcp
sftp, a replacement for not encrypted ftp
sshd, the SSH server daemon
ssh-keygen, a tool to inspect and generate the RSA, DSA and Elliptic Curve keys that are used for user and host authentication
ssh-keyscan, to scan a list of hosts and collects their public keys
ssh-copy-id, to copy local keys to remote machine.
ssh, TLS, .ppk, .pem, .crt, .pub, ED25519, Key exchange method (KEX), public key, private key,
ssh -Q kex,
- SSH clients:
- OpenSSH (changelog),
openSSL, sshd logs,
Ssh -O stop,