Questions tagged [cdn]
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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TLS through CDN
I'm trying to understand how TLS is terminated between a client and an origin when a CDN is involved.
I think it's pretty straightforward when a client connects directly to an origin, a handshake can ...
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How to Deploy React App and WordPress on the Same CloudFront Distribution Domain Name with Different Origins and Behaviors?
I'm encountering challenges deploying both a React app and a WordPress site on the same CloudFront Distribution domain name while utilizing different origins and behaviors.
Here's my setup:
I have a ...
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CDN routing sometimes sends me to overseas IPs, intermittent
I recently changed ISPs but also swapped out our hardware firewall.
Since then I have noticed intermittent CDN issues, seemingly only with Akamai. I got clued into this when numerous sites wouldn't ...
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iptables string matching feasability; possible use with fail2ban
We have several Apache 2.4 web servers behind a load balancer and CDN front end - where HTTPS is terminated - we see the client IP in headers from the front end in the back end Apache logs. I'm ...
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ERR_ADDRESS_UNREACHABLE on IPv6
I'm having an issue at some coffee shops that use comcast wifi. These shop only allow ipv6 and it's causing websites to not load with the error ERR_ADDRESS_UNREACHABLE. Some websites work (google.com, ...
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CDN CNAME resolves as the main host (how to restrict)
I recently created a CDN at StackPath. Everything works well, it serves files via a subdomain I created (cdn.mysite.com), which was created as a CNAME for the main site (CDN being the CNAME). However, ...
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Apache2 with Virtualhosts and Cloudflare are not working
I have a Debian 11 Server with one public IPv4 Address and One Domain. The subdomain mail is defined in a virtual host with a reverse proxy for mailcow. The subdomain mail is also the reverse DNS for ...
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Editing Content Security Policy in IIS to allow a CDN script to be loaded
I am currently trying to load an external plugin into an application that is deployed on IIS.
I am getting this error:
Refused to load the script 'https://cdn.babylonjs.com/loaders/babylon....
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152
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Performance for static files (HTML, CSS and JS) of PHP Server - CDN vs NGINX
Without going too much into detail to avoid that this question becomes opinion-based; so talking from a purely technical perspective: When you currently have a PHP-Apache setup, both PHP and Apache ...
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Using Nginx reverse proxy with CloudFront
We have a domain served by CloudFront and now we need to add a reverse proxy using Nginx (unfortunately the reverse proxying capabilities of CloudFront are insufficient for our use case).
My question ...
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How to set correct Content-Type HTTP header for all files uploaded on S3 bucket?
What is please the correct way to set Content-Type HTTP header for files uploaded on S3 bucket? We use S3 bucket as an origin server for hosting static websites. Bucket is accessed through the ...
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Google Cloud CDN / DNS questions
Does google cloud dns support auto renewing wild cards and also, geographic location responses.
How does google CDN map the request to the origin and is there a limit on the number of domains we can ...
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Cloudfront Origin Domain Name - should you include www
My nginx server is setup so that all URLs example.com/url are forwarded to www.example.com/url
In the cloudfront origin domain when I create the distribution should I enter
example.com or www.example....
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Direct Server Return software and configuration for mesh network of raspbery pi servers
I don't know much about DSR technology but as I am aware both load balancer and servers need to be behind same router because of virtual IP addresses.
I need solution to have cloud-based geo-based ...
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How do I fix CORS issues in Cloudfront CDN?
I run a WordPress website and recently configured a CDN using CloudFront.
Most of the features are working fine, but I'm experiencing CORS issues with JS files I'm loading from Github.
I have tried ...
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Are HTTP Headers configured by the CDN or by the application?
This is kind of a theoretical question, and I guess it may be too broad or unclear.
Foobar is an application serving users across the internet. It relies on a CDN to improve its resiliency, speed, etc ...
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hiding sensitive information from cdn provider
I have an app that I want to connect to cloudflare for cdn. However, Cloudflare handles the https encryption for me so I'm worried that user passwords may be logged.
What are some good practices for ...
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Is it Possible to Bypass CDN to Access Source of Truth?
Developing an application to access information in race-like conditions - at a specifc time. Referring to Akamai. My understanding of CDN is that servers will cache data and may refresh this data ...
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Can't access Fastly CDN sites through NAT
My office network nodes access internet via NAT (iptables masquerading) and the gateway server access internet using a Wireguard VPN connection.
Everything works OK, but I can't access websites that ...
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Rails 6 - Understanding AWS Pricing for CDN video on demand application
I am working on an Rails 6 application, already on production which is heavily dependent on AWS Services like S3, Lambda, Cloudtrail, SNS and CDN to serve a video-on-demand app, where users can upload ...
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Load balancing on multiple servers
first of all I am very new to the subject and the headline maybe wrong but here is what I would like to achieve:
Currently I have web server as origin which all clients connect to but as you can guess ...
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can I re-add the original namesaver after adding cloudflare namesaver?
I have a webhosting website which will cause failure for clients who try creating sub-domain when I change my nameserver with cloudflare nameserver.
I am thinking to re-add my original nameserver ...
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335
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iptables: what's the best way to block hackers attacking our site via our CDN IP address
We are using fail2iban on Ubuntu 18 to detect bad login attempts and ban the IP addresses which try too many times. We use iptables for the IP blocking.
After using it for a while we noticed that some ...
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Image Storage Options In AWS
In the case of my scenario, The loading issue seems to have been caused by making HTTP requests with no HTTP timeout set to our CDN. The synchronous requests held the page execution for many minutes ...
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CDN video caching duration
Are there any standards about for how long (days, weeks) do CDNs cache video content?
This other answer suggested that it is only for a short period of time (e.g. 1 day) but that information is almost ...
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setting up debian bullseye repository WITHOUT a CDN
i have some debian boxes in a DMZ behind a restrictive firewall.
The problem is that those boxes are mostly not able to reach the CDN backed org.debian.org-repositories as the IP of deb.debian.org ...
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Rewriting to point to a CDN
I'm hoping to use a CDN to deliver all our image files. We call the images by simply using the CDN's domain instead of our own. I could easily change the domain reference in our content management ...
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Redirect url to the CDN storage
I have structure folders on my nginx server:
Image URL
https://example.com/wp-content/uploads/image.jpg
https://example.com/wp-content/uploads/WP-data/data/employees/per-005/9032.jpg
I want it ...
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703
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Google Cloud CDN setup without subdomain?
After creating load balancer and backend service with Internet network endpoint group
Can i use mydomain.com in google cdn or I have to use cdn.mydomain.com?
Is there any way to use full domain like ...
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How to prevent DDOS attack impact on Netlify? (downtime + bandwith usage/cost)
Situation:
React app that was initially running on a VPS
A few days ago, we were the target of a DDOS attack that took the site down.
During the attack, we decided to migrate to Netlify.
Once ...
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3
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I live in Australia, how is it that Stack Exchange is so fast without using any CDN?
I had a look at the Stack Exchange Servers:
https://meta.stackexchange.com/questions/10369/which-tools-and-technologies-are-used-to-build-the-stack-exchange-network
Seems they only have two data ...
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330
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Will using reverse proxy negate the effect of CDN?
Goal: Serve a specific sub directory of a domain from a different CDN (cloudfront in our case). We are thinking of utilizing Nginx as a reverse proxy to achieve this.
For example, the following ...
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2
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461
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Can CDN caching prevent DoS attacks?
Let's say I use Cloudflare to cache my images, CSS, and JS files. Requests for the HTML content itself still hit my server and an attacker could use that to his advantage.
However, if I tell ...
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Do CNAME mapping of my subdomain to Sendgrid for link branding using Amazon Cloudfront CDN
I want to have link branding with SSL on my domain example.com, so I created sub-domain abc.example.com, I want this abc.example.com to CNAME to sendgrid.net.
I have done CNAME mapping but it seems ...
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Are we still limited by TCP Window Size when we want to fully utilize bandwidth from far away servers? [closed]
According to this website, as soon as round-trip time is increased, we lose a bit of our real-time capacity throughput to distant servers using default TCP Window size of 64KB.
My network bandwidth is ...
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How to get multiple DNS Geo balancing entry points
I am facing a problem. I will set up a CDN with multiple dedicated servers in multiple zones (Asia, US, Eu), and I will set up an entry point with Nginx proxy with geoip routing.
But with this ...
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Can we use Indian Server as CDN for German Server?
My client is using Hetzner Cloud Hosting. But his most of the users are from India. So in order to improve the speed we are planning to use $5 Digital Ocean droplet (Indian Data Center) as Proxy with ...
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CloudFront "Compress Objects Automatically" and REST API
I have a cloudfront distribution in front of a REST API server. Just for now, I need to disable cache, so I'm using the Managed-CachingDisabled policy.
I can't get any responses to return as gzipped. ...
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Universal bucket in Google Cloud Platform for content, which would determine the user's location and serve content from the closest server?
I am a mobile application developer. I use Google Cloud bucket to store 10-second videos and photos that I use in the application. Thousands of users use the application every day, and I want to use a ...
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AWS Cloud Front, how to request origin using correct url
I'm trying to cache a website that is on an EC2, it has an URL uncached.xyz.com, so i created an Cloud Front with the origin pointed to uncached.xyz.com and created a record xyz.com that points to the ...
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802
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Track outgoing bandwidth usage of single IIS website on my VPS
I want to track OUTGOING bandwidth consumption from a single website in IIS to my site visitors (no internal traffic), e.g. CSS, images, HTML.
The reason is that I want to know which package would be ...
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Does Azure CDN support stale-while-revalidate caching?
Does Azure CDN support the stale-while-revalidate and stale-while-error (and immutable, out of curiosity) directives of the Cache-Control HTTP header? These directives are not standardised and both ...
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How to use Cloudflare's CDN while we can not change nameservers on WIX
We have a website on WIX (www.example.com). The domain name and name servers are all on WIX. Using the same domain name we have another website (buy.example.com) which is NOT on WIX. The "A ...
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AWS ACL getting real ip behind third party CDN
We're using third parties CDN WAF from 3 suppliers.
I would like to add another layer of protection to the ELB in AWS. How can i make sure the AWS ACLs is getting the real user IP instead of taking ...
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CDN - SSL and a Wildcard Certificate
My organization has a wildcard certificate for our domain and its subdomains. Lets say *.serverfault.com. We want to use a 3rd party webhost to serve as a CDN for our image content, but we want to ...
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How to set up Google Cloud CDN?
Sorry for my bad english, i translate from russian.
I can't figure out how to set up Cloud CDN. To use it I should set up the Load Balancer. I have an external server with web pages. I set up strictly ...
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Does CDN defeat the purpose of server-level GeoIP blocking?
Looking for second opinions.
Suppose a website is set up so that only IPs from country X are allowed read/write access. This server goes through a CDN such as Cloudflare. Because the GeoIP block is at ...
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different behaviour per filename and backend routing in NGINX
It's few days i'm bouncing my head on this problem but i cannot find a "elegant" solution.
I would like to use a NGINX server as streaming origin for some live channel to be distributed ...
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Could Cloudflare slow down writing process to database?
I have two identical WordPress sites - live and staging - both sitting in the same EC2 server. The live is using Cloudflare, the staging is not. I noticed that database writing processes are slower in ...
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Optimizing IIS for serving static content over TLS
I am trying to fine tune an IIS 10 web server for the sole purpose of serving static files.
I've disabled session state, disabled managed code, added all necessary public cache control headers with ...