All knowledgebase articles
All articles
Dedicated Server Networking: LACP Bonding and Link Redundancy
Bonded uplinks to paired switches, configured automatically when the OS is installed: how the redundant path behind your dedicated server works, what the ext…
FAQFetch Content from Your Origin with a Different Host Header
Your origin selects content by the Host header of each request. When it expects a different hostname than your CDN resource serves, one proxy_set_header…
REFERENCECDN Custom Headers: Types, Limits and Common Uses
Custom header types, limits and common uses in one place: the two header types (request to origin, response to visitor), the per-location limits, and…
REFERENCEHow CDN Billing Works: Traffic Allowances and Prepaid Pockets
CDN usage is metered and settled at month-end. This guide explains which money your CDN spends first, then sets up a Prepaid Pocket: funds…
TUTORIALAdd Your First CDN Resource
Create your first CDN resource in one short wizard: hostname, protocol, SSL certificate and origin, then see exactly what to do after creation.
TUTORIALPoint Your Domain at the CDN
Your CDN resource only serves traffic once your hostname points at it. Copy the CNAME target from the resource settings, add one record at…
TUTORIALAdd SSL Certificates to Your CDN
Pick the certificate that protects your CDN hostname: a free Let's Encrypt certificate, the self-signed fallback, or your own certificate uploaded on the SSL…
GUIDEChoosing a Protocol for Your CDN: HTTP, HTTPS, Both, or HTTP to HTTPS
HTTP, HTTPS, Both or HTTP→HTTPS: four buttons, one decision. Here is which protocol to set on a CDN resource, when each exception applies, and…
TUTORIALPurge a URL or Your Entire CDN Cache
Clear one file, a whole folder, or every cached object on a hostname: from the Clear cache dialog in the panel, or with one…
TUTORIALSet Your CDN Source Server (Origin)
The Source Server (Origin) field tells the CDN where to fetch anything it has not cached: a scheme, a host and a port. This…
TUTORIALAdd Multiple Origins and Failover to Your CDN
One origin server is a single point of failure. The upstream editor on the Origins tab pools several origin servers behind one resource, with…
TUTORIALRoute and Configure a Specific URL Path on Your CDN
Locations are the CDN's path-based routing rules: one prefix, one rule. Add a location for a path like /images/, point it at an upstream,…
TUTORIALFind a CDN Resource
Locate any resource in your CDN package: filter the Resources table by hostname, switch between the Active and Deleted views, and jump straight to…
TUTORIALEnable or Disable a CDN Resource
Pause CDN delivery without deleting anything. One toggle on the resource settings page stops the resource, which then answers with a 503, and the…
TUTORIALDelete a CDN Resource
Deleting a CDN resource stops delivery immediately, frees a slot in your package and cannot be undone. Here is what to check before you…
GUIDECDN Quick Start: From Zero to Serving Traffic in 5 Minutes
Create a CDN resource, add one CNAME record, let the free certificate issue, and verify traffic serves from the edge: five minutes of hands-on…
REFERENCEUnderstanding the Building Blocks of Your CDN Product
Every building block of your CDN product, defined in one place: resources, origins, upstreams, locations, cache, SSL, protocols and zones, with the screen where…
TUTORIALMonitor CDN Traffic and Cache Performance
Every CDN resource has a Statistics view: pick a date preset or a custom range and read the Traffic, Requests and HIT % counters…
TUTORIALRestrict Access to Your CDN by IP, User Agent or Country
The Access Control and Rate Limiting sections of the advanced settings hold four independent editors: ACL IP, ACL User Agent, ACL GEO and Rate…
TUTORIALManage Response Headers and CORS on Your CDN
Custom headers live on locations: each path-based routing rule can carry up to 20 of them. The Add a header dialog takes a type…
TUTORIALProtect Content with Secure Links
Secure Link makes a location require a signed token in every URL: visitors without a valid token get a 403. The panel side is…
TUTORIALAnalyze and Export CDN Traffic by Country
Each CDN resource breaks its traffic down by country: a treemap of traffic shares, a filterable Top countries table with zones and hit rates,…
GUIDEHow to Minimize Downtime When Your Website Is Down
Your origin will fail someday. Cache Use Stale keeps the CDN answering with the cached copies it already holds when the origin is unreachable…
GUIDEHow to Block LLMs from Crawling Your Website
AI crawlers announce themselves in the User-Agent header, and the CDN's ACL User Agent editor turns them away by name: one keyword per line,…
Can’t find what you need? Our engineers are available around the clock, from quick fixes to full infrastructure design.