May 2026 monthly summary for cds-snc/terraform-modules: Delivered a configurable policy enhancement for DNS resolution by adding a block_action parameter to the resolver_dns module, enabling operators to block or log blocked domains. This aligns with policy-driven security and improved observability. All changes are tracked via commit d4d2027f0e220725d66b0b3f11d69ae757031b28 with message 'Add block action parameter to the resolver_dns module (#840)'. No major bugs reported fixed in this period. Technologies demonstrated include Terraform module design, version control discipline, and clear traceability of changes.

In April 2026, delivered a new configurability capability in the cds-snc/terraform-modules resolver_dns module by adding the firewall_domain_redirection_action parameter to control CNAME redirection evaluation. The change includes parameter validation, tests, and updated documentation, enabling operators to precisely tailor DNS resolution behavior in Terraform deployments and improve reliability in complex environments. The work is underpinned by a focused commit that adds the parameter and regenerates docs with the correct tooling version, ensuring consistency across releases.