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Two Dots and a Slash Can Read Your Configuration

By Otieno MbathaMay 27, 2026Security
Preventing directory traversal attacks via configuration.

I still remember the 3:00 AM page from a client back when I was running my own hosting outfit. I sat there in the dark, staring at a server log that looked like a broken machine gun, watching an attacker …

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Lower the Ttl a Day Before You Move Anything

By Otieno MbathaMay 26, 2026Hosting Basics
Changing hosts without downtime by lowering TTL.

I still have a note in my outage journal from 2014 about a client who thought they could just “flip a switch” and move their entire site to a new server. I remember the frantic, 3:00 AM phone call—the sound …

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Do Not Send a Desktop Image to a Phone

By Otieno MbathaMay 24, 2026Performance
Optimizing responsive images and srcset for mobile.

I remember sitting in my old office at the hosting startup, staring at a server monitor that was spiking red because a client’s “high-resolution” photography site was absolutely choking the bandwidth. They were serving 4MB unoptimized JPEGs to every single …

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Propagation Is Just Caches Expiring on Their Own Schedule

By Otieno MbathaMay 20, 2026Hosting Basics
Understanding ttl and dns propagation concept.

I remember being woken up at 3:00 AM by a frantic client three years ago, convinced their entire web presence had vanished into a black hole. They had just switched servers, but half their users were still hitting the old …

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Never Store Uploads Where They Can Be Executed

By Otieno MbathaMay 19, 2026Security
Ensuring robust file upload security protocols.

I still remember the 3:00 AM page from a client back when I was running my own hosting shop. I woke up to a server that wasn’t just slow; it was screaming, its CPU pegged at 100% while the disk …

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Choose the Structure Once and Never Change It

By Otieno MbathaMay 18, 2026WordPress
Optimizing your permalink structure choices.

I still remember a 3:00 AM page from a client back when I was running my own hosting outfit. He wasn’t calling because of a DDoS attack or a server meltdown; he was calling because he’d decided to “optimize” his …

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Redirect the Misspellings You Own to the Real Site

By Otieno MbathaMay 18, 2026Domains
Strategies for typosquatting and defence.

I remember being woken up at 3:00 AM during my hosting days by a client who was convinced they were being targeted by a sophisticated state-sponsored cyberattack. It turned out to be much more pathetic: a tired employee had simply …

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Webp Is Smaller and Supported Almost Everywhere Now

By Otieno MbathaMay 17, 2026Performance
Benefits of choosing image formats like WebP.

I remember being paged at 3:00 AM for a client whose site had slowed to a crawl, only to find out they had uploaded a series of unoptimized, 10MB PNGs straight from a DSLR. They thought they were being “high …

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Unused Uploads Never Leave on Their Own

By Otieno MbathaMay 16, 2026WordPress
Efficient media library management for unused uploads.

I remember being paged at 3:00 AM for a client whose site had gone completely dark, not because of a sophisticated SQL injection or a targeted DDoS attack, but because they had uploaded a single 25MB unoptimized PNG and a …

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Three Text Records Decide Whether Your Email Arrives

By Otieno MbathaMay 15, 2026Hosting Basics
Configuring txt records spf and dkim.

I was woken up at 3:00 AM three years ago by a frantic client whose entire sales team was suddenly “invisible” to their customers. They weren’t being hacked, and their server hadn’t crashed; they were just shouting into a void …

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