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2026-09-22
A few days ago I investigated a production server compromise. Not a theoretical one — a real one, with a Monero miner, a C2 agent and a backdoor. The attack was completely automated. No one was specifically hunting that …
Read more2026-09-22
For a long time MikroTik administrators faced a classical architectural dilemma. Imagine the situation: you have a single public IP address, but behind it you need to publish multiple web services on the local network, …
Read more2026-09-22
MikroTik routers are valued by system administrators for their configuration flexibility. A budget home hAP lite and a corporate router that costs thousands of dollars run the same operating system — RouterOS. This means …
Read more2026-09-22
pfSense — a firewall and router on FreeBSD, one of the oldest open projects in this area. It is developed by Netgate, and today it exists in two editions: the open pfSense CE (Community Edition) and the commercial …
Read more2026-09-22
OPNsense — an open-source firewall and router. It is installed on a dedicated PC, mini-PC, or virtual machine and becomes the gateway between the office network and the Internet: it filters traffic, assigns addresses, …
Read more2026-09-22
Firewall — the first thing you set up on a new server, even before Fail2ban, CrowdSec, and auditing. Its job is simple: allow only the traffic needed by running services and drop everything else. The fewer open ports, …
Read more2026-09-22
For a small office people usually buy a consumer router from TP-Link, ASUS, or Keenetic. While there are five people and one Internet link, that’s enough. When a second provider appears, remote employees, guest Wi-Fi, IP …
Read more2026-06-24
There is a MikroTik router that goes to the Internet via WAN1. While there is only one gateway — everything works. As soon as a second WAN, a VPN tunnel with BGP routes, or just specific /32 prefixes appear in the main …
Read more2025-07-16
In a world where cyberattacks are becoming increasingly sophisticated, protecting remote access to servers and network equipment is of paramount importance. Simply opening ports for SSH, RDP, or web interfaces makes them …
Read more0001-01-01
I’ll configure, optimize, or fix your network built on MikroTik RouterOS. I handle everything from basic home router setup to complex enterprise tasks: multi-site VPNs, dynamic BGP/OSPF routing, and publishing …
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