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CNServers support for HTTP Headers
PrincessOfCats
Member
in Help
Currently, CNServers and my CDN seem to be having a fight over whether the CDN requests should be allowed and every once in a while, CNServers starts blocking the CDN from making requests.
Support at the CDN pointed me towards https://www.keycdn.com/blog/restrict-cdn-traffic/ as a possible solution.
Does anyone know if CNServers can whitelist using http headers?
Comments
I don't think it's possible, but can't you request another IP without any "layer 7" HTTP protection stuff?
The protection is actually done through a GRE tunnel on the VM. The main problem is that the site is actually hosted on a Directadmin VPS without DDOS protection. It would require that I create a DNS entry with that unprotected IP in order for the CDN to pull which is non-ideal.
Does your provider have auto nullroute? Buy another IP and hope they don't terminate
CNServers offers Layer 7 protection? That's news to me. Are you 100% sure it's CNServers filtering it out and not something tacked on by your provider?
Fixed by cdn provider - apparently requesting hundreds of files in a second after cache is purged triggers it.
We actually have layer 7 ability from day one.
Not by default right? I remember we could open a ticket for special filters in the past, is that what you're referring to?
By default we do have it set. If you need more information on how it works please discuss in private.
cnservers never have protected L7
them just make rate limit L7 if ip get attack methode L7 
Sort of.
Simply false. I can tell that you are not our customer.