Security notes / Multi-Factor Authentication

Security related stuff. Linux - PAM notes · SELinux Securing services Public key encryption; SSL and TLS SSH: tunnels, X forwarding · keypair logins · SSH jails · loose notes · agent Apache config and .htaccess - security A little more practical security for the everyday person not-so-formal notes Ingredients that might be useful to know - MFA / 2FA · One-Time Passwords; also, authenticators More techincal waffling Message signing notes · Hashing notes · Auth - identity and auth notes Encryption - Encryption notes · public key encryption notes · data-at-rest encryption ·pre-boot authentication · encrypted connections Unsorted - · Anonymization notes · website security notes · integrated security hardware · Glossary · unsorted