SSH - Port Forwarding: Local and Reverse Tunnels
Today we will look at port forwarding through SSH🔐: how to use local and reverse tunnels to organize access to local and remote services.
Cybersecurity
All posts under tag "Cybersecurity"
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Connecting OpenWrt to an OpenConnect Server
In this article we will configure OpenWrt to connect to an OpenConnect server (ocserv) and set up flexible routing: all traffic, only specific domains, or specific IP subnets.
Ollama — Local AI on your Linux PC
An article about how to easily install and run local Open Source AI🤖 models using Ollama🦙 on a PC running Linux🐧.
SSH – Fine-tuning the client in Linux: config file and ssh-agent
Continuing the topic of using SSH in Linux🐧. Today we'll talk about fine-tuning the client using the ~/.ssh/config📄 configuration file, as well as automatic key import into ssh-agent😎 without entering passwords.
Building a Docker image for the Unbound DNS server
In this article we will build our own Docker image with a modern DNS server — Unbound. We'll take a detailed look at the Dockerfile, as well as my script for preparing the container environment.
12 minute
Hard
OpenSnitch — manual control of network activity of Linux applications
OpenSnitch is a desktop open source application capable of blocking outgoing requests from various programs, with desktop notifications🔔.
Building OpenConnect (ocserv) Version 1.3 From Source in Debian 12 + Docker Image
Today we'll build the latest version of the OpenConnect VPN server - 1.3, from open source code, on the Debian 12 distribution. We'll also create a Docker image based on the same distribution.
15 minute
Medium
Setting up an OpenConnect SSL VPN server (ocserv) in docker for internal projects
Today we will deploy our own VPN based on an OpenConnect server (ocserv) running over HTTPS and compatible with Cisco AnyConnect. We'll package all of this into a docker container for ease of use and easy portability.
60 minute
Medium
VPN — Technology for Ensuring Secure Network Interaction
Today we'll break down the concept of a virtual private network, better known as VPN. What it is, what types exist, and we'll also talk a bit about popular implementations of this network technology.
Initial Linux server setup using Debian as an example
This time we will perform basic Linux server setup using the Debian 12 distribution as an example. Preface We continue the topic of Linux server administration.