December 2018
Beginner
320 pages
8h 57m
English
Content preview from CentOS Quick Start Guide
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Configuring ssh-keygen for password-less authentication
SSH server has multiple ways of authenticating a client connecting to it. The most popular method is password-based authentication as it is the easiest one, however it is not so secure. Passwords are exchanged with secure mechanisms, however, due to ease of use they are generally not complex or long. This enable the attacker to break the password using brute-force or dictionary attacks. In such scenarios, the SSH keys can provide a secure and reliable means of authentication for clients.
SSH server uses a public key cryptography scheme to authenticate users. In this scheme, a pair of keys are generated, a public key and private key, for authentication. As the name suggests, a private ...
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