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SSL certificates, TLS protocols, HTTPS — configuring a secure connection.
23 articles tagged SSL/TLS
Check the domain name in the certificate SAN, send the correct SNI during TLS checks, and fix HTTPS on the main domain, www and CDN without bypassing the error.
How to find HTTP requests from a widget on an HTTPS page, check the initiator and nested resources after a click, and replace the source with a working secure URL.
A ready-to-use 60-minute quarterly website review agenda: data pack, risk questions, decision rules, owners, deadlines, and minutes.
A ready-to-use website check calendar: daily and weekly entries, post-release events, owners, deadlines, and escalation rules.
HTTPS diagnosis sequence: DNS → TCP/443 → TLS → HTTP → edge and origin, with commands, interpretation of results, and closure criteria.
How to distinguish a false alarm from a partial outage: DNS, IPv6, network, WAF, TLS, redirects, check text, and confirmation conditions.
A short protocol for the first 15 minutes after an alert: preserve the signal, confirm the outage, assess its scope, and choose an escalation or action.
A way to build a representative set of URLs based on business scenarios, templates, and infrastructure, check for gaps, and define rotation rules.
A step-by-step check of redirects when changing domains: mapping URLs, pre-launch tests, DNS checks, HTTPS, canonical tags, and post-migration errors.
View PEM files online: X.509 certificates, private keys, CSRs. PEM and DER formats. Analysis without sending data to a server.
Check the domain expiration date, auto-renewal, and grace period. What to do when a domain expires and how to avoid losing it. Regular monitoring.
Step-by-step HSTS configuration to enforce HTTPS. max-age, includeSubDomains, preload. Nginx, Apache, Cloudflare. Testing and troubleshooting.
Open a tool for the task described in the article.