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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3
votes
2answers
334 views

Using CDN like Cloudflare with mod_rewrite to save bandwidth

I know CDNs like Cloudflare save bandwidth by caching static files as images, JS, and CSS files. I have a script that generates images on the fly and its location looks something like this: http://...
0
votes
1answer
15 views

How to disable Last-Modified and ETag headers in a static website hosted on S3 + CloudFront?

Background: there are good reasons to want to disable Last-Modified and ETag headers for some website assets: to prevent browsers sending conditional requests (either using If-Modified-Since or If-...
2
votes
1answer
18 views

Azure File Storage & CDN

I have a stage account with files. It is also configured as a share, and is mounted on a Linux server. This part works as expected. URL to test file in Storage Accounts: https://[CUT].file.core....
0
votes
1answer
91 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 docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/...
1
vote
1answer
29 views

AWS Cloudfront + Load Balancer, url changes from main domain to load balancer subdomain

My setup is as follows: user types example.com on the browser request goes to AWS CloudFront, which redirects HTTP to HTTPS, and forwards the request to the AWS Elastic LoadBalancer (elb.example.com)...
0
votes
1answer
3k 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: http://jasonsturges....
-3
votes
1answer
15 views

Cloudflare or Apache vhost misconfiguration? [closed]

I have setup a website in cloudflare that pointing website3.com to xxx.xxx.xxx.xxx IP address. In my apache, I have existing website1.com and website2.com vhost (website 1 and 2 are using digital ...
1
vote
0answers
10 views

How to sign Url on behalf of a certain origin access identity (cloud front)

I want two origin access identities for cloud front (and s3). One that can just view content , and another , that can just put content (and maybe another that can just delete ) I know I can create an ...
0
votes
0answers
44 views

How to diagnose a very specific, slow ftp upload speed issue?

What tools are available to help me with this issue: Slow ftp upload speed (120 KB/s) to a CDN provider from my office. The office network was drastically changed about a month ago; new router, new ...
0
votes
1answer
49 views

Impossible to serve WebP images using CloudFlare?

I want to optimize some images on my site using WebP format. Webp images are highly compressed jpegs and pngs with the help of algorithm developed in Google. However, webp images can be displayed ...
1
vote
1answer
97 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 ...
1
vote
1answer
35 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 ...
1
vote
0answers
14 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 ...
0
votes
1answer
55 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 ...
2
votes
3answers
51 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 ...
0
votes
2answers
75 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 ...
1
vote
1answer
235 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 ...
0
votes
0answers
14 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 ...
0
votes
0answers
18 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 ...
0
votes
0answers
36 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 ...
0
votes
0answers
59 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 ...
8
votes
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 ...
0
votes
0answers
28 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 ...
1
vote
2answers
61 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 ...
1
vote
0answers
24 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 ...
0
votes
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
votes
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
votes
2answers
48 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 ...
0
votes
2answers
248 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 ...
0
votes
0answers
100 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 ...
0
votes
1answer
27 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 ...
0
votes
0answers
125 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 ...
0
votes
0answers
190 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 ...
0
votes
2answers
648 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: uid:501/gname:...
4
votes
3answers
5k 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 ...
0
votes
0answers
431 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 ...
1
vote
1answer
488 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: ...
0
votes
1answer
25 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 ...
0
votes
0answers
85 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 ...
8
votes
3answers
780 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
votes
1answer
166 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
votes
1answer
27 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.
0
votes
0answers
102 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. ...
0
votes
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 ...
1
vote
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 ...
0
votes
0answers
55 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 ...
-1
votes
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 ...
1
vote
0answers
357 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 ...
0
votes
1answer
384 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 ...
0
votes
1answer
638 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 ...