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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23 views

How is Cache-Control: max-age affected by intermediate caching?

I am currently serving an HTML page to users with a Cache-Control: max-age=600 header. I believe this allows the users' browsers to cache the page for a maximum of 10 minutes. I am considering adding ...
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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: ...
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8 views

Smoothwall web proxy VM blocks CSS files from CDNs

We have a Smoothwall web proxy set up as a virtual machine for internet browsing. When a site hosts CSS files on a CDN (probably any cross-domain request actually) the CSS isn't applied, indicating ...
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1answer
27 views

Can I use Cloudflare CDN/HTTP proxy for SSL-enabled web-site?

I want to use Cloudflare CDN/HTTP proxy for my web-site that already has HTTPS through LetsEncrypt certificate. I don't want to use Cloudflare's Free SSL certificate as it doesn't work on WindowsXP ...
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0answers
39 views

Can AWS support RTMP based Live Streaming with CloudFront or CloudFormation

As far as i understand reading all these articles: docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/distribution-rtmp.html ...
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3answers
46 views

how does AWS S3 bucket Redundant storage works with filepicker/filestack

I am using Filestack https://www.filestack.com/ as fileserver and Amazon S3 as filestorage as complete storage solution for my clients. Filestack offers CDN (Content Delivery Network) which serves ...
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2answers
51 views

Can I use the same SSL certificate on the CDN and the origin

It's pretty straightforward question, I have a certificate issued by DigiCert, already installed it on my origin, and I want to use it for the CDN. I'm starting to configure Akamai CDN in front of my ...
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1answer
56 views

No Cache-Control Header for files from AWS CloudFront with S3 Origin

We just migrated to Amazon AWS. We currently have an EC2 instance that's working well. It's running Nginx in front and Apache in the back-end. That's running well also. All sites are launched properly ...
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0answers
12 views

Find closest (in round-trip time) hosting to a particular serivce behind CDN

I'm using some service which is located behind CloudFlare CDN, and I need to achieve the lowest latency possible in two tasks: receive lots of messages out of WebSocket WAMP subscription with few ...
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0answers
16 views

Is there a way to change the public URL for content hosted on Akamai Netstorage backend

Our company uses Akamai backend to host all the product releases, patches etc. There is an ftp site hpupdates.upload.akamai.com that various product teams use to push their releases. Each product has ...
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28 views

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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47 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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6answers
2k views

Does a CDN still work even when my server is down?

I am a website owner planning to use Amazon's cloudfront S3. I have been reading all the stuffs about what a CDN can do but i still have an unanswered question. Does a CDN still work even when my ...
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0answers
60 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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0answers
24 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
51 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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0answers
20 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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1answer
13 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 ...
8
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5answers
7k views

How to do regional DNS like a CDN does?

I guess this question could be entitiled, how do CDN's work at the DNS level but the real problem I have is that my company has datacenters in three continents and we have to have europe.example.com ...
2
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2answers
45 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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2answers
180 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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81 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
23 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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0answers
89 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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111 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
609 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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3answers
4k 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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0answers
389 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
376 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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1answer
23 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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0answers
67 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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3answers
754 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 ...
0
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1answer
122 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 ...
0
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1answer
26 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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86 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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0answers
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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0answers
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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0answers
45 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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1answer
26 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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0answers
308 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
299 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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0answers
180 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" ...
0
votes
1answer
507 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 ...
0
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1answer
54 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 ...
1
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1answer
107 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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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 ...
0
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1answer
115 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 ...
1
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1answer
179 views

Media Server Stack [closed]

What would be, software wise, a good Stack to use for a media server, considering the Ubuntu OS (8.10 up)? This is supposed to serve large QuickTime video files (.mov) with > 100Mb in average. We ...
5
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2answers
4k views

How to Tell Whether a site is using Akamai Networks

I'm trying to understand precisely how Akamai uses DNS lookups to redirect users to proximate servers. As I understand it, the client's browser tries to resolve a DNS name, such as ...
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1answer
222 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 ...