Tag Archives: security

FIDO2 security key management via commandline

FIDO2 Security keys are starting to take off. Many online services support them and the number is growing every day. At this point it seems FIDO Security keys are the way forward. FIDO2 being the second iteration of the FIDO … Continue reading

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What’s the fuss about FIDO

So many discussions are everywhere about FIDO, so what is all that fuss about? Lets look into why FIDO is argued to be the next big thing in authentication. Before getting into it, let me say thanks to all the … Continue reading

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Auditing Linux system security using lynis

Lynis is a security auditing tool for UNIX and Linux based systems. It performs a security scan on the system and provides suggestions for best practices for system hardening. The report from lynis shows a lot of suggestions to harden … Continue reading

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Verifying SSH configuration with a scan

Managing a number of Linux servers and keeping them secure can be a challenge. Certain tools can make the life of an admin a lot easier. To ensure an ssh daemon complies with a desired security configuration the admin can use a scanner … Continue reading

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Debug SSH Connection issue in key exchange

Securing a server means hardening the SSH server settings, but doing so can also cause issues with ssh clients. Finding the cipher or algorithm causing a failled connection can be tricky. Depending on the client used, the error message might be very … Continue reading

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Harden SSH server settings

Many Linux Administrators use ssh on a daily basis. Many of the ssh servers are in their default configuration. Not changing the default configuration puts the security of the server at risk. That is why it is important to follow a few … Continue reading

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