NET 4000 Chapter Notes - Chapter 12.6.3: Openssh, Public-Key Cryptography, Secure Shell
Document Summary
Openssh is a tool that encrypts network traffic over a network connection. Openssh is an open source implementation of the secure shell (ssh) protocol and implemented by default on most linux distributions. Uses a public and private key pair to encrypt and transfer a symmetric key that is then used by both hosts to encrypt and decrypt transmissions during the ssh session. The public key is available to all users. The private key is kept secure and is never shared. Can use associated key management software and scripts to automate the exchange of public keys. Can be used to create a secure tunnel through which other unsecure network protocols, such as imap, pop3, smtp, and x server traffic can be transmitted. Ssh version 1 (ssh1) is an older, less secure version of ssh. Ssh version 2 (ssh2) is the current standard ssh implementation. It can use either dsa or rsa encryption.
