Accessing Git and Nexus with custom SSL certificates
Again and again I work for companies having self crafted certificate. In 2020 there is no excuse...
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Implement SSH port knocking IN linux
Port Knocking is a technique to secure services behind a firewall until a specific knock sequence...
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Security Token Offering (STO) statistics
Security token offering (STO) is a type of fundraising that is performed with a company...
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58 Consensus in Blockchain Consensus Encyclopedia
introduction This is my attempt to list all possible blockchain consensus out there, I welcome...
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2751 coins, 47 Consensus and 82 cryptographic algorithms
The innovation speed in Blockchain landscape is just breathtaking and being able to (or to be...
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The cryptocurrency hack of Bob
Bob did a lot of (obvious) mistakes, but you will still be able to learn a lot by going through...
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Linux Compromised server checks checklist
An exploited or hacked server is one that is no longer fully under your control and someone else...
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Updating PHP5 to PHP 5.3.10 on Ubuntu
Thanks to Nathan Rennie-Waldock. you can have the latest PHP5 5.3.10 running in #Ubuntu Oneiric,...
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Restrictive Iptables Based Firewall for Webserver script
This script is working on all #Linux standard distribution, but use at your own risk! The script...
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Hosts file protection
The hosts file is a computer file used by an operating system to map hostnames to IP addresses....
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Make your Linux server safer: remove SUID/SGID root settings from binaries
First let’s refresh some definitions…set user ID (SUID) The SUID permission causes a...
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Security made easy, automatic scan and update of your installed applications
If you are on the paranoia side, and you better should, if you’re using ebanking on an...
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