HashiCorp Consul 1.4.3 lacks server hostname verification for agent-to-agent TLS communication. In other words, the product behaves as if verifyserverhostname were set to false, even when it is actually set to true. This is fixed in 1.4.4.
{ "binaries": [ { "binary_name": "consul", "binary_version": "0.6.4~dfsg-3" }, { "binary_name": "golang-github-hashicorp-consul-dev", "binary_version": "0.6.4~dfsg-3" } ] }