Internet networking

These articles touch upon aspects of internet networking including protocols, ports, and connectivity testing.

2025

• 2025-12-16 – Check outbound network ports with Python
• 2025-05-05 – GitHub Oauth private repo access
• 2025-03-23 – Terminal text web browsers

2024

• 2024-12-17 – Open-source terminal RSS reader
• 2024-02-01 – Cisco VPN Secure Client troubleshooting

2023

• 2023-08-28 – Troubleshooting DNS problems

2020

• 2020-12-29 – Website .well-known directory
• 2020-12-16 – Use PNG for favicon.ico instead
• 2020-09-16 – lynx link extraction
• 2020-08-03 – Eliminating non-https external links
• 2020-06-20 – pre-commit website markdown internal links
• 2020-01-20 – Why use CNAME flattening for apex domains

2019

• 2019-11-24 – Wget HSTS database