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2026-06-02
Standard tools like proxychains often fail when it comes to multithreaded applications, Go/Rust binaries, Electron apps and system services. Enter tun2socks — a tool that creates a virtual TUN network interface, …
Read more2026-06-01
MikroTik administrators have long faced a classic architectural dilemma. Imagine this: you have a single public IP address, but behind it you need to publish several web services on the standard HTTPS port 443. For …
Read more2026-05-30
The backbone dynamic routing protocol BGP (Border Gateway Protocol) is traditionally associated with enterprise hardware or full-fledged Linux servers. However, in modern realities the task of building resilient VPN …
Read more2026-03-04
TTL (Time To Live) — is an eight-bit field in the IP header that defines the maximum number of “hops” (nodes) a packet can traverse before being discarded. Each time it passes through any router the TTL value …
Read more2025-11-28
If I were sent to a deserted digital island and allowed to take only one networking utility — I would unhesitatingly choose Netcat. The official documentation (man nc) dryly states: “a utility for reading from and …
Read more2025-11-13
Every time you type google.com into your browser, some magic happens. Your computer doesn’t know where that site physically lives. To find out, it asks the DNS (Domain Name System) — a giant distributed database …
Read more2025-10-24
In a world where data privacy and access to resources are often restricted by geoblocks or corporate policies, tools like ProxyChains become indispensable assistants. ProxyChains — or more precisely its modern fork …
Read more2025-09-16
Introduction Up to this point, we’ve used simple utilities for specific tasks: ping checked connectivity, traceroute showed the path, ipconfig and arp helped with the local network, telnet and nc tested ports. That’s …
Read more2025-09-15
Introduction A server’s IP address is like the postal address of an apartment building. But to reach the right apartment, you need the door number. In networking, these doors are ports. HTTP runs on port 80. HTTPS — on …
Read more2025-09-14
Introduction You’ve gone through all the checks from the previous articles: The computer has the correct IP address (ipconfig). The router responds (ping 192.168.1.1). Ping to a public address (ping 8.8.8.8) works. Looks …
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