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We are spending an incredible/stupendous amount of time on the Internet now because of having to endure Covid-19/Coronavirus/’rona/’vid. As a result, we are definitely at risk of exposing ourselves to more bad things that are on the Internet. This post should hopefully give you a quick overview of how to provide some additional protection for…
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In an attempt to understand a bit more about bitcoin, I wanted to see how to build a portable docker bitcoin-core node. Here are some steps on how to build it and some design considerations. At a high-level these are the steps we’ll be following: High-level diagram of bitcoin docker architecture Building scripts bitcoin.conf This…
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Enter the Certificate Checking Tool! More and more communications are becoming secured with certificates issued from a Public/Private Key Infrastructure. The challenge is that certificates and more importantly, their expiry tends to not be tracked. Why is this a problem? When a certificate expires and it’s not properly documented in the applications architecture, it’s really…
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Introduction By default a PowerShell script is not signed. What does this mean? Unless there’s a policy that allows unsigned scripts to run/execute, it’s going to fail. Microsoft uses “Code Signing” certificates to get around this. The PowerShell script is stamped with a signed certificate (issued from a trusted authority). Risks Now there are some…
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While I had ambitions to get all the data into the database, the challenge is trying to manage large files (larger than say 1GB compressed) because if you run into any problems while parsing the file, you’ll need to figure out what the problem is, fix it or handle the error and then continue onto…
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