Hosting and DevOps resources

Guides, documentation and answers for teams running their servers at 4hosting.

Security guide

Questions and answers about the production server, with commands and examples.

Service pages

DevOps, programming and CyberSecurity: what we do and how to request included hours.

Mailu + SMTP relay guide

Self-hosted mailboxes, transactional relay, SPF, DKIM and DMARC.

Documentation

Getting started, migration, backups, containers and infrastructure.

Hosting solutions

cPanel, VPS, dedicated and GPU servers: what each includes and who it is for.

Technical support

Open a request from the client panel or write to us via contact.

Where to start

Resources ordered by what you need to do: secure, migrate or scale.

Securing your production server

Documentation on SSH hardening, firewalls, 3-2-1 backups, HTTPS with HSTS, WAF, containers and the npm supply chain.

Open the documentation

Migrating from another provider

Free migration, planned together: inventory, copy, test on a temporary domain and switch DNS last.

See the migration steps

You need DevOps hours

Every plan includes monthly DevOps, CyberSecurity and programming hours; request them from the client panel.

See the services

Can't find the answer?

Tell us what you want to do on your server and we'll show you how, or do it from your included hours.

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