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Server Message Block (SMB): How the Protocol Works and How to Run It Safely
What is Server Message Block? A precise guide to the SMB protocol, port 445, SMB versions, Samba on Linux, SMB vs FTP/NFS, and how to avoid ransomware risk.
Read More »TCP Meaning: What Transmission Control Protocol Is and How It Works
TCP meaning explained: Transmission Control Protocol delivers data reliably and in order across the internet. Learn the three-way handshake, TCP vs UDP, and why it matters for hosting.
Read More »User Datagram Protocol (UDP): How the Internet’s Fast Lane Works
Understand the User Datagram Protocol (UDP): how it works, the UDP header, UDP vs TCP, and why its ‘unreliability’ is a deliberate feature for real-time traffic.
Read More »Private IP Address Ranges Explained: RFC 1918, IP Classes, and How NAT Works
A precise guide to private IP address ranges (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16), IP address classes A-E, public vs private IP, and how NAT ties it together.
Read More »IPv4 vs IPv6: The Complete Guide to How the Two Internet Protocols Differ
IPv4 vs IPv6 explained clearly: address length, format, address space, NAT, security, and whether your website needs IPv6. A senior engineer’s breakdown.
Read More »Metropolitan Area Network (MAN): How City-Wide Networks Connect You
What is a metropolitan area network? Learn how a MAN spans a city, how it compares to LAN and WAN, the IP angle, and why it matters for hosting latency.
Read More »Networking & DNS for Hosting: The Complete Guide to How Visitors Reach Your Server
Understand the networking and DNS layer behind every website: IP addresses, DNS resolution, record types, nameservers, ports, propagation, and how to diagnose the issues that cause most outages.
Read More »What Is a Metropolitan Area Network (MAN)? Where It Fits Between LAN and WAN
A metropolitan area network (MAN) spans a city, sitting between a LAN and a WAN. Learn how it works, how IP routing crosses each scale, and why it matters for hosting.
Read More »How to Get the IP Address on Linux: Local and Public IP Commands
Learn how to get the IP address on Linux with ip a, hostname -I, and curl. Find your private (local) and public IP, check interfaces, and view IPv6.
Read More »How to Reset the DNS Cache on Windows (ipconfig /flushdns)
Learn how to reset the DNS cache on Windows using ipconfig /flushdns, view and re-register records, restart the DNS Client service, and fix stale DNS entries.
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