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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nginx proxy_cache store callback - store cache keys in mysql

I have multiple servers with nginx installed on them. We would like to cache large static content (> 1gb) on our nginx servers which is fetched from a remote storage server. We are trying to set up a ...
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33 views

Why does Cloudflare DNS always resolve to the same edge servers?

Cloudflare has servers all around the globe, yet it always returns the same set of servers for a website regardless of the requester's location. For example I've run dig for curse.com (which uses ...
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18 views

CloudFront CDN breaks due to DirectorySlash behavior of Apache

My CDN domain is set to www.mysite.com, and it reads from origin.mysite.com. mod_dir is enabled on apache, and so any request without a trailing slash is redirected with a 301 to the equivalent URL ...
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14 views

How to make amazon s3 files fast from anywhere in the planet?

I'm working on a project with user created content, users basically upload long mp3 files to the server which can then be played by other users. Recently users not from europe reported slow "seek ...
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2answers
36 views

Does CloudFlare cache MaxCDN resources?

I'm utilizing both CloudFlare and MaxCDN for my website; MaxCDN handles images and scripts while CloudFlare handles HTML pages (in terms of CDN). I'm not using a custom subdomain for MaxCDN (i.e. I'm ...
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15 views

Route content using nginx if a specific condition is met

I have 2 LAN networks which are united w/ IPSec tunnel: 10.10.10.1/24 10.10.20.1/24 One of my internal sites is running on 10.10.10.50, which is serving users heavy content, such as 300-400MB ...
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2answers
41 views

AWS CloudFront Limit Origin Access

I am averaging 12,000 page views per day, but my cloudfront is getting around 6 million requests for images and fonts every day. I suppose it is possible that all of these requests are coming from my ...
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1answer
11 views

Log access to cached content by 3rd party

The question is pretty much the same as this one: How to log a request to apache access log if it's cached by Varnish but instead of varnish let's say I am using CloudFlare. Is there any way to ...
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45 views

Nginx Cache alterntive where two requests can populate large cache files simultaneously?

I am using Nginx as a caching reverse proxy for large files. It is important to me that the origin server does not have to output more bandwidth than necessary. So if the download of the file gets ...
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1answer
9 views

Can you configure a CDN to cache pages based on the browser language?

Many websites do not have the language or locale set in the URL string. They instead pull this out of the "Accept-Language" HTTP header. Is it possible with CDN's like CloudFlare and CloudFront to ...
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43 views

Is there a limit for the overall cache size on cloudflare?

I want to cache and pressed static JPG map tiles on cloudflare. Those around 10KB files each, but in total quite some GB. Is there a limit of objects or total size of cached objects? (Free Plan if ...
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40 views

DNS load balancing with multiple IPs on the same domain in GoDaddy

Looking for a cheaper solution than amazon CloudFront, I placed two "A" records with different IPs to different servers on the same subdomain in a NameSever managed by GoDaddy in order to achieve some ...
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2answers
81 views

Forward Akamai's True-Client-IP via F5 BigIP

Akamai returns client IP in True-Client-IP header. This can be disabled in Akamai settings so that Akamai will return client IP in HTTP-X-Forwarded-For header, but this will contain multiple IP ...
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253 views

Nginx CORS – Access-Control-Allow-Origin Header not added

I am struggling to get CORS header added to barely any file. I know the if statement might causes nginx to behave wired (http://wiki.nginx.org/IfIsEvil) but I haven't found another approach. Using ...
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1answer
163 views

How to set up AWS Cloudfront for dynamic number of domains for a dynamic site?

THE SETUP We have a webs/wix/etc-like website management system we are trying to use with CloudFront. It has the following domains and subdomains. - ourdomain: our main website - admin.ourdomain: ...
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60 views

Methods for selecting log_format with nginx for every request?

I'm using nginx/1.9 and CloudFlare as CDN. For one virtual host within my nginx web server there is the possibility to route through the CDN and route directly to my origin. Due to some legal stuff I ...
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1answer
16 views

Using local server as a part of CDN

I would like to use CDN for my website. But more than 70% of the requests would be from within my own network. so I am planning to use my local server as part of the CDN, so that when somebody from ...
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47 views

How Do I Mask the CDN Domain with My Own Domain Name?

So i've been trying out cloudfront from AWS. Why is the URL 'example.com' resolving to 'example.com.s3.eu-west-1.amazonaws.com' in the Address Bar? I've tried googling loads of questions with this ...
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1answer
78 views

How do I find the actual domain for an IP addresses in my web log that uses a CDN?

I'm trying to analyze our web access log to report on which organizations are accessing our website. But for many of the IP addresses in the log, the reverse DNS lookup resolves to CDN domain names ...
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61 views

How to troubleshoot an invalid cached response

I've a Google Cloud Engine instance with Suse Linux 13.2 with original network config and without any configured proxy. And I've a problem with an invalid CACHED response I receive from a server. ...
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1answer
24 views

Rewrite subdomains in Nginx

Because I don't want to use CDN anymore I would like to rewrite cdn.example.com to www.example.com. How to do this with Nginx? There is only www.example.com in my server block.
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19 views

Cheap shared hosting plus CDN = fast website? [duplicate]

If I have a cheap shared hosting and connect my website to CDN, will it help to increase page load speed to make my website very fast? Let's assume that the website itself has no speed issues and very ...
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20 views

Using a Cisco WebVPN with a CDN

We have a set of users who access some of our web applications through WebVPN, however where an application uses resources on a CDN e.g. CSS/JS, the url for the resources is being rewritten by WebVPN ...
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3answers
653 views

How to redirect users to different servers based on their location?

I have a website which is developed by using ASP.NET and MY DB is MySQL. Currently it hosted in USA Servers. But When I try to access it near India dynamic contents are loading too slowly. It is ...
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33 views

How can I find out if the response came from the edge server or the origin (CDN)

Is there a way to find out where the response response came from? From the CDN in Korea or my origin in L.A? Example1: Response headers: Server: Apache Example2: Response headers Server: AkamaiGHost ...
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247 views

How to fix/troubleshoot AkamaiGHost TCP_Miss and 500 Errors

I have a java application running on a server in South America at the moment, and using Akamai's CDN. When I check the errors, i sometimes get the error: "HTTP/1.1 503 Service Unavailable" and "500 ...
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1answer
25 views

Why controls inside update panels took long to update even website integrated with a CDN network? [closed]

I have a website which written by using ASP.NET. I hosted this website in USA ( Kansas city ) with Quad Core Processor and 8Gb RAM( Dedicated Server: 1GBPS Speed Line). Also my website is running ...
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1answer
192 views

Is it possible to put http torrent tracker under CDN to prevent DDOS?

I am thinking about setting up torrent tracker on the same dedicated server where torrent related website will be located. I want to do that because my website and tracker will interact with each ...
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139 views

Configure pagespeed nginx when used cdn url on html already

I'm using pagespeed for Nginx. I've used AMZ CloudFront and in my website html rendered, the urls are something like: <script type="text/javascript" ...
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1answer
44 views

Cloudfront: Pulling content from subdomain - serving it on main domain

I'm setting up CloudFront (CF) using third party hosting as the origin. What I want is to have the CF servers act as my own hosting, meaning I don't want to fetch files from the likes of ...
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1answer
94 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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3answers
2k 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
20 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
97 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
178 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 ...
0
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1answer
236 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 ...
2
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0answers
41 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 ...
0
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1answer
30 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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1answer
2k 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: ...
3
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2answers
272 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 ...
0
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1answer
343 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
133 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
48 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 ...
0
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1answer
59 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 ...
0
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1answer
181 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
484 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
125 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
1k 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
57 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 ...