Author Archives: bitcollector

DNS over TLS over VPN and back

Posted on January 12, 2022 by bitcollector

DNS over TLS is a big step in fixing a badly designed protocol, at least in terms of privacy, but it still leaves you having to trust the endpoint with all of that data that you are trying to keep … Continue reading →

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Object-Oriented Programming vs. Functional Programming

Posted on January 20, 2021 by bitcollector

Today I found a great article on hacker news with regards to Object Oriented Programming. Some interesting arguments about code complexity causing issues with Volkswagen accelerator issues and the Boeing MAX issues. https://suzdalnitski.medium.com/oop-will-make-you-suffer-846d072b4dce “None of the built-in OOP features help … Continue reading →

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OSX 10.15 on 2009 Macbook Pro & ESXi 7.0

Posted on December 29, 2020 by bitcollector

I updated my 2009 macbook pro this weekend from 10.11 (last supported OS) to 10.15. The best part about it all is that the computer runs FASTER with Catalina installed then it did with El Capitan! It’s possible that this … Continue reading →

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Python Inventory Search

Posted on June 14, 2020 by bitcollector

I wrote a python script to query a website and check to see if an item is in stock. If it finds the product in question it will email me a report with a hyperlink so that I can click … Continue reading →

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Free DNS subdomains

Posted on June 14, 2020 by bitcollector

Free DNS subdomains via afraid.org is a great resource for lab and test machines. They also have a free Dynamic DNS service which is a great way to keep tabs on your Home IP address in the event it should … Continue reading →

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DMVPN with BGP & OSPF

Posted on February 20, 2020 by bitcollector

DMVPN with BGP and OSPF

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CCNP Enterprise – Valid Through 2023

Posted on February 15, 2020 by bitcollector

Happy to say that I passed my CCNP re-certification after letting it expire in 2016. It felt good getting back in the lab and running through various routing and switching problems. I used EVE-NG to study with, it’s simply amazing … Continue reading →

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Site Reliability Engineering: How Google Runs Production Systems

Posted on December 20, 2019 by bitcollector

If you support systems @ scale than you must read the Google SRE book!  Do yourself and your team a favor by making sure you don’t repeat the mistakes in this book! This should be required reading for all managers … Continue reading →

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Delegated Credentials: Improving the security of TLS certificates

Posted on December 5, 2019 by bitcollector

This is worthy of a share if you are interested in TLS. Facebook, Cloudflare, and Mozilla are working together with the ITEF to develop a new protocol for handling the private keys for SSL certs. Facebook Engineering gives a great … Continue reading →

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Tutanota: Secure email, calendar and contact list

Posted on December 2, 2019 by bitcollector

Today I upgraded my email provider to Tutanota. They provide encrypted email hosted on servers in Germany. In addition to the encrypted inbox you can easily send end to end encrypted emails with users of other services like Gmail. Fellow … Continue reading →

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