Technical
File permissions: fix access without opening the entire application
An upload folder chmod 777 "so it works" becomes a webshell entry six months later. Permissions need surgery, not blanket fixes.
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Investigation
Krystal Hosting: how should a UK offer be read after Brexit?
Brexit changed the legal status of the United Kingdom for European data. Krystal remains a credible host, but its guarantees must be read as those of a third country — not as an EU member.
Technical
Fail2ban: useful against noise, insufficient against a deliberate attack
Fail2ban quiets weekend SSH scans — until the attacker slows below the threshold or hits the API directly.
Technical
SSH bastion: reduce administrative surface without slowing the team
Every VPS with port 22 open to the Internet is scan bait. A bastion concentrates access — if the team can still connect without friction.
Investigation
GleSYS: is Swedish cloud worth considering for a European workload?
GleSYS combines VPS, dedicated, and cloud from Falkenberg — ISO 27001, renewable energy, SE/FI DC. For EU workloads demanding ecology and infra, the Swedish detour holds — with English support and mid-range pricing.
Technical
OAuth proxy: protect an internal tool without rewriting authentication
Grafana, Jenkins, phpMyAdmin — tools without native SSO rushed online. An OAuth proxy adds a front door without rewriting the app.
Technical
Rate limiting: protect an API without punishing good clients
A legitimate partner gets throttled during a spike while a scraper rotates IPs. Good rate limiting protects without punishing.
Technical
Reliable webhooks: sign, replay, and deduplicate events
Stripe retries after your 500 — and you double-credit the customer. A reliable webhook signs, idempotents, and is observable.
Technical
Reverse DNS: the detail that weighs on email deliverability
SPF and DKIM are green, yet mail lands in spam: PTR does not match HELO. This invisible detail weighs heavily at major filters.
Investigation
Zone.ee: understanding an Estonian host beyond the Baltic market
Zone.ee has dominated Estonia since 1999 — shared hosting, VPS, .ee registrar. Beyond the Baltics, is it worth it for an EU project seeking performance and price without French support?
Technical
Split-horizon DNS: serve internal and external users without confusion
Your team sees the right IP on VPN while customers see another — or worse, the same private IP. Split-horizon fixes that, but only if the boundary is documented.
Technical
SPF, DKIM, DMARC: align the three email protections
Mail sends, but Gmail spam-filters it: SPF passes, DKIM signs, DMARC fails alignment. The three protocols do not replace each other — they stack.
Technical
Anycast DNS: understand the gain before paying for redundancy
Checkout fails while internal DNS monitoring stays green: anycast only helps if you measure from outside. Here is how to evaluate it before the premium invoice.
Investigation
Anexia: what does an Austrian cloud offer European businesses?
Anexia combines Virtual Data Center, colocation and CloudStore from Klagenfurt — with global presence and ISO 27001. Investigation — useful Austrian cloud for the EU, or global infrastructure with an AT label?
Guide
InfoSwitch: migrating to Infomaniak without losing mailboxes, drives or chats
Leaving Microsoft 365 or Google Workspace for Infomaniak takes more than an IMAP tool. InfoSwitch offers a premium migration — email, kDrive, kChat, domains — with proprietary tech focused on security and confidentiality.
Technical
DNS TTL: prepare a migration without promising instant propagation
"The DNS switch will be instant" — reassuring and false. Without lowering TTL upfront, a host migration drags 24–48 h in ISP caches.
Technical
ACME: monitor certificate renewal before expiry
Certbot "always worked" — until silent renewal failed because DNS changed and nobody monitored certificates, only HTTP uptime checks.
Technical
Configuring TLS: prefer maintainable settings to esoteric lists
A config copied for an SSL Labs A+ grade can block an enterprise client the next month. How to choose maintainable TLS — Mozilla Intermediate, renewal, HSTS — without incomprehensible cipher lists.
Investigation
Blacknight: does Ireland offer a useful gateway into Europe?
Blacknight, Carlow IE, combines shared, VPS and dedicated with Irish anchoring post-Brexit. Investigation: is Ireland a credible EU door — or just a middleman?
Technical
HTTP/2: what multiplexing really changes for web assets
HTTP/2 fixes six parallel TCP connections — not twelve synchronous scripts blocking render. Multiplexing helps; it does not replace front-end optimization.
Technical
Lazy loading: speed up the first screen without hiding useful content
loading="lazy" on the hero logo and first product photo — LCP explodes and Google penalizes what you thought was optimization.
Technical
WebP and AVIF: deliver better images without breaking old browsers
Switching the whole site to AVIF without fallback leaves 5% of visitors with broken icons — often B2B clients on frozen corporate browsers.
Investigation
Mittwald: why does it appeal to German web agencies?
Mittwald targets CMS agencies with pro tooling, DE support, and Espelkamp infra. Investigation into real levers — workflows, staging, billing — beyond the "agency" label.
Technical
Brotli or gzip: compress without adding server latency
Brotli level 11 on every dynamic response — fewer bytes, more CPU, TTFB climbing. Useful compression separates static assets from on-the-fly HTML.