cybersecurity
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Setting NGINX as Internal Reverse Proxy and Layer 7 Balancer
In every corporate network, there are multiple internal web portals and applications that are not intended to be exposed to the public internet. These applications are typically accessed directly through their IP addresses or, in more mature environments, by using… Continue reading
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IT Everywhere
If the salary was the same, what job would you be doing right now and why? Working in IT has some advantages. One of them is that, in a well‑configured and secure environment, I can do most of my work… Continue reading
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My Home Lab
What have you been working on? In my home lab, and I’ve started to document all my work in this blog: Continue reading
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Setting Up OPNsense as a Load Balancer
In this post, we’re going to setup OPNsense as a Layer 4 and Layer 7 HAPROXY load balancer. This is our network topology: In this simple topology, we have a single firewall with two ISPs connections and a LAN. We’re… Continue reading
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Configure Redundant OPNsense IPsec Tunnels with BGP Between Two Sites (Part 2)
In the second part of this lab, we’ll set up the Site Firewalls. Each will have 2 WAN connections to different ISPs. Then we’ll set up four IPsec tunnels and BGP routing. This setup will guarantee a full redundant connection… Continue reading
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Setting Up OPNsense as a Zabbix Proxy
In this post, we are going to set up OPNsense as a Zabbix Proxy. It will be used to watch all hosts that are behind the firewall. Check the post for how to set up Zabbix in Docker containers in… Continue reading
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One More Thing: A Life in IT, Passionately Lived
How would you describe yourself to someone? I think this question only comes up in two situations: During a job interview In a therapy session. In either case, we need to be ready to answer it — whether to present… Continue reading
