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Technical discoveries, lessons learned, and helpful tips

DavidInfosec.com
DavidInfosec.com

Technical discoveries, lessons learned, and helpful tips

Month: January 2024

Uncategorized

Configuring OpenVPN, PfSense, FreeRADIUS Authentication, Dynamic DNS, and TOTP Password + Pin Credentials

DavidInfosec.com, January 18, 2024March 3, 2024

Today’s post is all about finding flexibility between hopping between all your favorite network devices, even when you’re out and about. Or, maybe you’re a small business and have ambitions to set up a site to site VPN so your employees can authenticate and access local resources. This post is…

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System Administration

Server Recovery: Hostname Issue (Proxmox), empty /etc/pve directory, resilience, the solution, and lessons learned

DavidInfosec.com, January 17, 2024March 3, 2024

A scary Proxmox server issue This is a story all about how I was doing a simple configuration on my Proxmox server and I wanted to edit the hostname so that I could have it match with my SSL certificate. This was signed by my own Intermediate Certificate Authority on…

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Tailscale VPN Firewall Issue: A lesson on troubleshooting

DavidInfosec.com, January 16, 2024March 3, 2024

Sometimes it takes banging your head against a wall a couple times before you finally figure out a problem. This can apply to all sorts of things, and often we can become guilty of resorting to muscle memory, where our practice amalgamates into habit instead. Before we know it, we…

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Docker Container Deployments: How I’ve been refining my homelab

DavidInfosec.com, January 14, 2024March 3, 2024

Nginx Proxy Manager I recently upgraded from my traditional method of using PfSense’s built in DNS Resolver to translate to my local domain names, and I pointed the DNS in the resolver to a container running Nginx Proxy Manager. There are some upsides to this as everything is able to…

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Alerting Scam Victims with Self-Hosted Email (Mailcow)

DavidInfosec.com, January 13, 2024March 3, 2024

A blog post all about how I used a cloud server provider, (Linode) to deploy a self-hosted instance of Mailcow in a docker container, all for a mission to alert scam victims of a fake Norton Security refund scam. Thank you, scammer! Hello everyone! I am back with another post,…

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