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Infrastructure

Articles about server and cloud infrastructure.

x509 certificates and mTLS: understand and practice with OpenSSL

Symmetric and asymmetric encryption, signatures, certificate authorities, chain of trust: the basics to understand x509 certificates. Then hands-on with OpenSSL: create your own CA, sign server and client certificates, and set up an mTLS connection.

SPF, DKIM, DMARC and BIMI: email deliverability best practices

Your emails arrive late, land in spam or never arrive at all? SPF, DKIM, DMARC and BIMI are the mechanisms that prove your emails really come from you. How they work, DNS records, key generation and testing tools.

HoneypotPlus: my Laravel package to detect and ban malicious IPs

Detect bots scanning your Laravel applications on sensitive paths (.env, wp-admin, .git), ban them via Cloudflare and report them to AbuseIPDB. Discover HoneypotPlus, an event-driven, zero-configuration Laravel package.