• Install Telnet on MacOS
• Install Python 3.8 on Ubuntu
• Detect Visitor DNS provider
• Generate Wildcard certificates with Let’s Encrypt

DNS Observer A proof of concept that detects a visitors DNS provider.

whoomp! (there it is) a simple static fileserver for local development. It has live reload and https capabilities.

lomah an smtp honeypot written in Golang. Simulates an open relay, tls capable, collects smtp credentials, and writes any emails to files.

Flask Autoversion Automatically version static file paths. When actively developing a web application, you may experience issues with browsers caching your static content. With this extension you can easily use the function in your templates that will update the query added on to the file path to bust the browser cache.

Bad Ips very recent and basic right now, but I am starting a project to track abusive IP addresses and will be providing the data here to hopefully benefit others.

Yet to be released

Adblocking DNS server, it's written in GoLang and dynamically updates using Golang Job scheduling as well as an admin interface to add or remove domains easily. It's currently in use as my DNS system which makes me uneasy when I realize how often my machine and/or router is calling home.

SMTP mail server, of course there are many available but this one is mine. I wanted to learn more about email and also wanted something that was easy to stand up and start receiving emails. Written in GoLang and stores the email(s) in a relational database. It's currently working (I'm using it as a disposable email service) but still under active development.

You can check out more of my opensource work here

• bytes
• Github

• A guide to setting up a mail server with OpenSMTPD, Dovecot, Rspamd, and MySQL - (Coming Soon).
• Some Golang examples
• First steps with a new Ubuntu server
• Exploit exercises nebula hints
• Find out how to move the gnome title bar buttons to the left
• Narrow Jumbotron Template for Bootstrap 4 (source) (Download)

Essential Core CS for interviews Learn algorithms and data structures.