bind – Blog by Jay Mutkawoa (Nitin)

The 10 DNS Records

Post Author By Nitin J Mutkawoa
Post Date May 25, 2020
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4 min read

This blog post came after a quick chat with a friend about DNS. I usually participate in meetups and blog about anything I came across. I decided to blog about DNS records for my own references. So, DNS records are [Read More…]

Operation KSK-ROLL by cyberstorm.mu – KSK Rollover Explained

Post Author By Nitin J Mutkawoa
Post Date October 17, 2018
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4 min read

The last cyberstorm.mu event was on OpenSource licensing with Dr. Till Jaeger at Flying Dodo, Bagatelle Mall Mauritius. We discussed several issues concerning cybersecurity laws, trademarks, OpenSource licensing issues etc.. Dr. Till Jaeger appreciated the meetup and encouraged us to [Read More…]

Bind and DNS tools Security

Counter DNS Attack: Enabling DNSSEC

Post Author By Nitin J Mutkawoa
Post Date July 23, 2016
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To reach another person on the Internet you have to type an address into your computer – a name or a number. That address has to be unique so computers know where to find each other. ICANN coordinates these unique [Read More…]

Linux Application Linux System Security

CVE-2015-7547 – Update Glibc & restart BIND with Ansible

Post Author By Nitin J Mutkawoa
Post Date February 21, 2016
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You might be seeing a huge crowd of system administrators and Devops rushing to update their servers immediately due to the security flaws detected on Glibc. This security leak is identified as skeleton key under CVE-2015-7547: glibc getaddrinfo stack-based buffer overflow. [Read More…]

Bind and DNS tools

Anatomy of a simple dig result

Post Author By Nitin J Mutkawoa
Post Date November 8, 2015
Post Comment 2 comments

The ‘dig’ (Domain Information Gropper) command is one of the tools which is frequently used to troubleshoot DNS and BIND configurations. Its main purpose is to perform DNS lookups and query DNS servers. Though the subject is vast, I decided [Read More…]

Linux System

Overlay Union Filesystems in Linux

Returning to the world of blogging after nearly a month’s hiatus, I find myself intrigued by the concept of Overlay Filesystems. This article has piqued my curiosity, and I am convinced it will offer valuable insights for my future endeavors. [Read More…]

Posted on February 18, 2024February 18, 2024 by Nitin J Mutkawoa

Uncategorized AKA Non-Tech-Stuffs

My indoor plants in Winter 2024

I used to have a cool indoor greenhouse in my living room growing lettuce, arugula, and thyme. However, since I work from home most of the time and need a dedicated office space, I decided to make some changes. I [Read More…]

Posted on January 19, 2024 by Nitin J Mutkawoa

Cloud Computing

Playing around with SSM, Tags, and Resource Group in AWS

AWS Systems Manager is a service provided by Amazon Web Services (AWS) that helps you automate and manage your infrastructure at scale. It provides a unified user interface so that you can view operational data from multiple AWS services and [Read More…]

Posted on January 18, 2024 by Nitin J Mutkawoa

Blockchain and Fintech

Smart Contracts and Tokens in Ethereum

Smart contracts in Ethereum are self-executing contracts with the terms of the agreement directly written into code. They are computer programs that run on the Ethereum blockchain and automatically enforce the rules and conditions defined within their code. If you [Read More…]

Posted on January 17, 2024January 18, 2024 by Nitin J Mutkawoa

Blockchain and Fintech

Ethereum, Solidity and Decentralization

Ethereum can be considered a technology that is more capable than Bitcoin. In a traditional Blockchain technology like Bitcoin, I mentioned how Bitcoin is mostly focused on a ledger system with records and algorithms backing up the transactions. But Ethereum [Read More…]

Posted on January 16, 2024 by Nitin J Mutkawoa

Blockchain and Fintech

Proof of Stake in Blockchain

In some of my previous articles, I wrote about the Consensus protocol. If you had been following closely, you would have come across the term several times. I explained how Consensus is a mechanism by which participants in a distributed [Read More…]

Posted on January 15, 2024 by Nitin J Mutkawoa