A Content Delivery Network is used to distribute data to end users of an Internet service. It is typically used for large scale distribution, and employs caching and numerous edge locations to speed up and reduce the bandwidth requirements of the process.

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31 views

nginx no speed limitation for a connection

I have a server with nginx installed on it to serve some files for downloading. I also didn't change default configuration of nginx. Problem is that when I try to download from this server it seems ...
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12 views

$_SESSION failing when calling PHP file through a CDN [closed]

I am not sure if using a CDN is appropriate here in the first place. The content I am hosting is an Apache(with PHP + MySQL) backend for a mobile application. Instead of calling my PHP files through ...
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33 views

Does CURL cache requests?

This is a pretty long question, so bear with me. I wanted to stress my Akamai Server logged in from an AWS instance. So, I started running ab benchmark. However, they seemed ridiculously fast to ...
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1answer
18 views

How to setup a content repository in Linux? [closed]

I want to setup a server that'll host documents and image files which can be accessed efficiently from other application servers and databases on the same enterprise data center. What are the some of ...
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1answer
43 views

How does “Cloud Files” from Rackspace know about my CNAME record?

TLDR: when I make this DNS record: whatever.mydomain.com. IN CNAME biglongjibberstring.r89.cf2.rackcdn.com. How does Rackspace know that this random host name I've chosen should go to my Cloud ...
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1answer
49 views

CDN - find the source IP [closed]

I want to communicate directly with website using CDN (Akamai, CloudFlare, etc.) Anyone knows if is it possible to find the IP address of websites using Akamai? or CloudFlare? I have tried to ping ...
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0answers
28 views

Misses in cloudfront CDN

I am a bit new to the world of CDN's. I am also running an internationa site, which we hope will one day have a lot of traffic, but for now trickles in. Site uses a image resizer behind a CDN to serve ...
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36 views

Most bandwidth efficient setup for video sharing [closed]

I built a video sharing platform for a popular french podcast I contribute to. Initially I used S3 and linked directly to it, bad idea. Then I used a pull CDN to better optimize my bandwidth, but s3 ...
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1answer
18 views

Heroku redirect file to serve from CDN

My Heroku backed app is now serving a certain JS file, but due to high rpms I would like to serve it from my CDN. Is it possible to make a redirect from myapp.herokuapp.com/file.js to ...
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26 views

Cloudfront objects being ejected from edge locations too early?

Cloudfront does not guarantee that it will hold an object in it's edge locations for any duration, however, typically, if I set a Cache-Control:public, max-age=31550000, smax-age=31550000 or a ...
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1answer
653 views

Azure CDN returning 404 not found for Storage Container Blob endpoints

My Azure CDN does not appear to be correctly mapped to my Storage Container Blob data. Storage I've created a Storage, which is online: Inside is a Storage Container: ...
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149 views

Receiving a CORS header error while loading a font from CDNify

Description I am receiving a few issues loading fonts for my website from my Content Delivery Network (CDNify). When I load my website http://techgroove.net/ (I will refer to this as [link] from here ...
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2answers
212 views

Do CDN providers run their own DNS servers?

In order to have efficient CDN, it needs to direct requests to the server nearest to the requester. How do they do that? Do they run their own DNS server that, when asked to resolve an address, it ...
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1answer
142 views

Force AWS CloudFront to refresh resources from origin without user requests

I'm deploying a CloudFront distribution for a widely distributed network. I'm using my own server as origin and I've configured the cache expiration to a custom value (say 24 hours). Everything works ...
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0answers
95 views

How to use an origin-pull CDN with external CNAMEs?

I have a particular issue that I'm struggling with regarding setting up a CDN. To describe our situation: We are running an ASP.NET based CMS(DotNetNuke), configured with two different web heads on ...
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1answer
46 views

Problems accessing my servers - but only from German providers

I'm having a problem that I've been trying to resolve for months to no avail. I have several websites hosted on a dedicated server in the US. Those include http://noduslabs.com ...
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1answer
55 views

CDN and TTL on local EC2 files

I Have a file in CDN and I need a local copy of it in all of my EC2 instances. I like to set a TTL on the local copy of 5 minute, and have one of the following: Have it Fetch automatically as soon ...
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225 views

Cloudfront - How to invalidate objects in a distribution that was transformed from secured to public?

The setting I have an Amazon Cloudfront distribution that was originally set as secured. Objects in this distribution required a URL signing. For example, a valid URL used to be of the following ...
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1answer
106 views

Redirect to a CDN

I will like to distribute a javascript file with several of my clients, they have several thousands of unique visits a day on their pages, so my file will be called a lot of times, i don't want that ...
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1answer
304 views

Slow Website Access from China

I just made a wordpress based website for a client that operates in China. The website is being cached completely by W3 Total Cache and served very fast in Europe (where our main server is located). ...
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1answer
73 views

Running a database heavy webapp in the UK and Aus server setup

I am running a webapp from a uk datacenter. Speed is fine as expected. The webapp relies heavily on a database. I would like to open the webapp to Australia and New Zealand but maintain good response ...
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3answers
680 views

How to block CloudFront or other CDN to access my website

Some guys create a CloudFront CDN to proxy my site, so people can access my website using url like df03039lsls933.cloudfront.net instead of www.example.com How to block this using nginx? From ...
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2answers
48 views

Do I need CDN if I am target to small region?

I have website which is targeting to small geografical area, the bigest CDN companies don't even have CDN servers close to this area. I am wondering will I get any benefit to use CDN, becouse main ...
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1answer
2k views

Google Cloud Storage vs Amazone S3 + Cloudfront? [closed]

So I am building a web service which is going to be hosting files up to 500mb in size, and am finished with the coding and now deciding on hosting. I see that Amazon Web Services is very popular, but ...
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1answer
365 views

How to do 'naked domain aliasing' like DNS hosts that support it?

My goal is to use GitHub Pages and also benefit from their CDN, without having to use a third-party DNS host that supports DNS ALIAS record types (or ANAME - neither are accepted standards). I want to ...
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1answer
157 views

Amazon CloudFront Synchronization

I want to leverage Amazon CloudFront to "cache" my webserver such that my website stays up even if my webserver goes down. I understand CloudFront has many edge servers that facilitate the ...
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1answer
67 views

AWS: In what situations would you NOT want to put your entire domain in front of a CloudFront distribution?

Given the relatively recent support for POST/PUT/etc. (http://aws.amazon.com/about-aws/whats-new/2013/10/15/amazon-cloudfront-now-supports-put-post-and-other-http-methods/), if you don’t require any ...
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206 views

Is it possible to configure a CDN so that it will step out of the way for a subset of regional IPs?

We have a website which targets customers in China, both expat and local Chinese. We have an ICP license which allows us to host in a datacenter inside China. Internet in China is actually as fast as ...
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1answer
860 views

Whole-site delivery on CloudFront

After much searching, I can't seem to find the question to whether it's viable to cache my entire website in Cloudfront. (Static assets as well as the HTML returned on a dynamic request). The Setup ...
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0answers
455 views

High latency on domain with CDN

High latency on domain with CDN I have problems with latency on my server, these are the tests I made with blitz.io Latency album http://imgur.com/a/bCmwo I would uploaded images here but it ...
2
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3answers
343 views

How to host a Wordpress site on multiple servers due to geographical siteload issues?

Wordpress website is currently hosted in the US, this is where 40% of our target audience is. The rest of visitors are coming form Middle east, Australia, Russia, China, Singapore, UK, Switzerland, ...
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1answer
286 views

Reverse HTTP proxy as CDN origin server, how to handle last modified since?

I'm trying to set up redundant origin servers for a CDN that will deliver on demand video files. The current setup is that I have two "media" servers that have a large storage capacity and are running ...
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2k views

Nginx Rewrite - How to redirect url for certain file type?

My current bargain CDN has very poor performance on video caching. What's worse, I don't have any access to its setting. So I am wondering is it possible to rewrite the url for certain file type to ...
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1answer
395 views

Amazon S3 appears to be blocking cloudflare IP addresses. How do I fix it?

I have static content that is being served by Cloudflare. Cloudflare points to Amazon S3 to pick up the static content and serves it via a CNAME (cdn.mydomain.com). The bucket is setup properly and ...
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2answers
579 views

How long does azure cdn live before updating

I am using the windows Azure CDN, And not like Amazon's one cannot configure any TTL regarding the files, I was wondering if there is any official document microsoft had regarding to the ...
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1answer
715 views

Configuring htaccess file for self hosted CDN

I am trying to set up a self hosted cdn for my site, but I am having problems with the rules in the htaccess file and I can't get it to work. At the moment the ftp server that will act as CDN has the ...
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2answers
252 views

What amount of effort and money should one invest against DDoS threats? [closed]

Typically, when you invest money to protect yourself against some possible threat, you should take into account two factors: the probability (p) of the problem actually happening how much money (m) ...
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2answers
73 views

Backup files served on a cdn

I am thinking about using a CDN to serve my static files, rackspace cloud files to be exact. I am wondering is it normal to backup these files? Is there even a way to back them up?
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339 views

Chrome not caching CloudFront video/audio; CloudFront delivers http 1.0 headers

With the following response header: HTTP/1.0 200 OK Content-Type: video/mp4 Content-Length: 3294545 Connection: keep-alive Date: Thu, 30 May 2013 21:17:34 GMT x-amz-meta-s3cmd-attrs: ...
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2answers
77 views

Does offloading files to faster servers ruin site performance? [closed]

With a decent server and HTML on it, will offloading the CSS/JS/Images to another, faster server ruin the performance? I was thinking about sending, say www.domain.net => main, decent server ...
3
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1answer
2k views

How secure is CloudFlare's basic SSL

CloudFlare's basic SSL package provides SSL encryption for you site, but only between your customer's browser, and the CloudFlare server where SSL is terminated. The connection between CloudFlare and ...
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2answers
708 views

HTTPS CNAME setup for CDN

Background I need to host some files on our CDN (edgecast) which will be available over HTTPS. I would usually accomplish this by using the provided CDN url, i.e. https://wav22.233d.edgecast.com/.... ...
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391 views

Check whether CDN is working or not

Is there any way to find whether the static content is being served by CDN or not. Using curl, can i find whether the static file is being served by CDN or by the webserver.
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1answer
113 views

using a CDN on the same location as server

One of the purpose of a CDN is to distribute your static assets in an area closest to your user. So say my server is at location X and most of my users will be at Y. However the closest CDN server to ...
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2answers
83 views

How to return no answer with nginx?

I use nginx with Incapsula CDN and need to cleanly block all another requests in nginx's server {} context (for certain domain names, but not for all nginx's connections). Best practice in my opinion ...
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3answers
384 views

Why Not Serve an Entire Site from a CDN? [closed]

Normally when I hear about CDNs and how great they are, they're usually talking about serving a site's static content, like images, CSS, JS, and video. But if CDNs are so great, why don't we run ...
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2answers
529 views

Wordpress feed does not update after APC and Cloudflare

I am running a Wordpress site on a Ubuntu server. I installed APC and setup Cloudflare. After that I started having a strange problem with the feed. When I check the feed on the browser, I can see ...
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1answer
55 views

CDNs - is there a delay between file submission and availability?

I've never subscribed to a CDN before, and was hoping someone could share their experience. My question is: Is there a significant delay between a file being submitted via a CDN (via API), and it's ...
2
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1answer
85 views

static big files and a way to serve them securely (central authentication CDN)

I need to serve few static big files(about 4GB each) to several users, using 5 servers that are in different geographical regions. The idea is that nobody else gets the content as there's ...
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1answer
652 views

gzip_http_version set to 1.0 but sends 1.1

I am trying to set Amazon CloudFront up with Nginx using W3 Total Cache and WordPress multisite. CloudFront only works with http 1.0 so, I read that you need to change the http version in gzip to 1.0. ...