SSH Security

Warning

For advanced users and administrators only

Note

This part of the documentation is provided for reference purposes. It includes all documents related to the SSH security.

Contents:

• Weaknesses in TOTP-based 2FA for SSH and an out-of-band extension for automation
• Caching Private SSH Keys
• Convert OpenSSH Key Into PuTTY Format
• Convert PuTTY SSH Key Into OpenSSH Format
• Convert Xshell SSH Key Into New OpenSSH Format and PuTTY format
• SSH access to the Discoverer and Discoverer+ login nodes using PKCS#11 HSM and PIV devices (smart cards)
• Using SK keys on login-plus.discoverer.bg
• Install SSH Client
• SSH Public Key Exchange
• login-plus.discoverer.bg - Key Fingeprints
• login.discoverer.bg and login.bg.discoverer.bg - Key Fingeprints
• SSH Key Generation
• Logging Into login.bg.discoverer.bg (CPU cluster, from BG Academic IP Networks)
• Logging Into login-plus.discoverer.bg (GPU cluster)
• Logging Into login.discoverer.bg (CPU cluster)
• SSH Access