Create a CDN resource

Last update: April 17 2026

A CDN resource is a set of settings that define how content will flow from the source to the CDN servers and be sent from the CDN servers to end users.

As a content source, you can specify:

• your source using the domain or IP address of the site;
• or baquet S3.

You can also duplicate an already created resource.

Your source.

1. In the Control Panel, on the top menu, click Products and select CDN.

2. Click Create CDN resource.

3. Select which files you want to distribute:

   • Static - compression of images, video files, JavaScript files, CSS files, etc. Text files are compressed by default using Gzip;
   • or Large files - files from the content source are downloaded piecemeal using HTTP Range requests. No compression is applied on the CDN side.

4. In the Address field, enter the domain or IP address of your site.

5. Click Create. When you create a CDN resource, a default domain is automatically generated. Files that will be distributed by the CDN server will be opened using a link of the form *.selcdn.net. You can leave the default domain or connect a personal domain.

S3

1. If you do not already have a bucket in S3 Selectel, create a public bucket and upload files to it using the S3: Quick Start instructions.

2. In the Control Panel, on the top menu, click Products and select CDN.

3. Click Create CDN resource.

4. Select which files you want to distribute:

   • Static - compression of images, video files, JavaScript files, CSS files, etc. Text files are compressed by default using Gzip;
   • or Large files - files from the content source are downloaded piecemeal using HTTP Range requests. No compression is applied on the CDN side.

5. In the Address block specify the address of the public bucket of the *.selstorage.ru type without protocol. You can view the bucket address in the control panel: in the top menu, click Products → S3 → select project → Bucket section → bucket page → Domains tab → Main domain.

6. Click Create. When you create a CDN resource, a default domain will be automatically generated. Files that will be distributed by the CDN server will be opened using a link of the form *.selcdn.net. You can leave the default domain or add a personal domain.

7. Open the page of the created resource → Source tab.

8. In the Hostname block, in the Hostname field , when querying the source, specify the value you added in step 5.