Deploy Mattermost Team Edition on Upsun
Learn how to deploy a self-hosted Mattermost Team Edition server on Upsun, with PostgreSQL 16 and OpenSearch 2 configured automatically through a single infrastructure-as-code file.
Varnish 104: Advanced Traffic Filtering with Classification Headers on Upsun
Learn how to implement advanced security controls in Varnish on Upsun using classification headers to block malicious traffic, restrict geographic access, filter by ASN, and protect sensitive paths with HTTP Basic Auth.
Varnish 103: Cache Optimization with URL Normalization on Upsun
Learn how to maximize Varnish cache efficiency through URL normalization, query string sorting, and tracking parameter removal to dramatically improve cache hit ratios and reduce backend load.
Varnish 102: Protecting Your Application with Rate Limiting on Upsun
Learn how to implement effective rate limiting in Varnish using the vsthrottle VMOD to protect your application from abuse, prevent DDoS attacks, and ensure fair resource allocation.
Varnish 101: Protecting Paths with HTTP Basic Authentication on Upsun
Learn how to implement HTTP Basic Authentication directly in Varnish VCL on Upsun to protect specific paths like admin areas, staging environments, and work-in-progress content without touching your backend.