When prompted, give a passphrase to the key. This passphrase MUST be different from your Aalto password. 2. Copy the contents of the file .ssh/aaltokey.pub on remote computer to .ssh/authorized_keys ...

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Out of the box, secure shell is fairly secure. With the help of ssh key authentication, you can lock down secure shell so that only specific machines can log in. Here's how. If you’re a Linux ...

The U.S. Computer Emergency Readiness Team (CERT) has issued a warning for what it calls "active attacks" against Linux-based computing infrastructures using compromised SSH keys. The attack appears ...

OpenBSD has recently stressed to us the value of key rotation by their use of “Signify” distribution release signatures. We have realized that SSH keys should also rotate, to reduce the risk of ...

Security experts are warning of a new series of Linux attacks that use stolen Secure Shell (SSH) keys. The SSH protocol is used as a system for securely communicating between networked machines. The ...