[Rules] Cloud Connector: Update providers.mdx (#25537)

S3 SSL certs are a single wildcard, and will not cover bucket names with dots in them.

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Co-authored-by: Pedro Sousa <[email protected]>

Author: cf-scott

src/content/docs/rules/cloud-connector/providers.mdx

@@ -31,14 +31,14 @@ The hostname of your S3 bucket URL must have one of the following formats (where
 
 Cloud Connector supports both subdomain and URI path-style URLs:
 
-- **Subdomain-style URLs**: Set the hostname to `<BUCKET_NAME>.s3.amazonaws.com`. In this case, your files are accessible directly under the root of the bucket. For example, `https://example.com/index.html` will map to `https://<BUCKET_NAME>.s3.amazonaws.com/index.html`.
+- **Subdomain-style URLs**: Set the hostname to `<BUCKET_NAME>.s3.amazonaws.com`. In this case, your files are accessible directly under the root of the bucket. For example, `https://example.com/index.html` will map to `https://<BUCKET_NAME>.s3.amazonaws.com/index.html`. When using **Full (Strict)** SSL/TLS mode, the `<BUCKET_NAME>` cannot include dots (use dashes instead). Refer to [SSL connections to AWS S3 endpoints](#ssl-connections-to-aws-s3-endpoints) for details.
 - **URI path-style URLs**: Set the hostname to `s3.amazonaws.com`. Here, your bucket name must be part of the URI path in your requests. For example, if your bucket name is `<BUCKET_NAME>`, files will be available on paths like `https://example.com/<BUCKET_NAME>/index.html`, and your Cloud Connector rule should filter traffic based on the URI path starting with `/<BUCKET_NAME>`.
 
 ### SSL connections to AWS S3 endpoints
 
 The SSL setting applied to requests between Cloud Connector and AWS S3 depends on the type of S3 endpoint you use:
 
-- **HTTPS-supported endpoints**: For hostnames like `*s3.<REGION>.amazonaws.com` and `*s3.amazonaws.com`, Cloudflare will connect to AWS S3 over HTTPS if you set your zone's SSL/TLS mode to **Full** or **Full (Strict)**.
+- **HTTPS-supported endpoints**: For hostnames like `*s3.<REGION>.amazonaws.com` and `*s3.amazonaws.com`, Cloudflare will connect to AWS S3 over HTTPS if you set your zone's SSL/TLS mode to **Full** or **Full (Strict)**. When using **Full (Strict)**, the bucket name cannot include dots (use dashes instead).
 - **Non-HTTPS endpoints**: For website-style hostnames such as `*s3-website.<REGION>.amazonaws.com` or `*s3-website-<REGION>.amazonaws.com`, which do not support HTTPS, Cloudflare will default to **Flexible SSL**.
 
 ### Get the bucket URL