How to check available security updates

Check available security updates for CentOS 7.

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How to test TLS/SSL encryption anywhere on any port

Test TLS/SSL encryption anywhere on any port

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SysOps

How to determine available authentication methods

Determine available authentication methods on the specified OpenSSH server.

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SysOps

How disable network redirections

Create custom Bourne Again SHell package to disable network redirections and enhance system security.

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How to find out whether remote port is open using network redirections

Find out whether remote port is open using Bourne Again SHell network redirections.

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SecOps

How to log every executed command

Log every executed command to syslog.

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How to generate password digest for basic authentication of HTTP users

Generate password digest for basic authentication of HTTP users.

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How to revoke specific key used to login with OpenSSH

Revoke specific key used to perform key-based login with OpenSSH utilizing simple public key revocation list or OpenSSH Key Revocation List (KRL).