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Questions tagged [cloudflare]

CloudFlare is a content delivery network and distributed domain name server service marketed as improving website performance and speed and providing security.

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ERR_SSL_VERSION_OR_CIPHER_MISMATCH with Cloudflare

I have problem with redirect my website with www to non-www. I use Cloudflare. When I redirect traffic https://www.pl.make4u.eu/ to https://pl.make4u.eu/ website I get ...
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25 views

Redirecting the www subdomain to without www with Cloudflare

I have this problem. I would like the domain from https://www.pl.make4u.eu/ to be redirected to https://pl.make4u.eu/, however the DNS_PROBE_FINISHED_NXDOMAIN problem I have. I do not know if where ...
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2answers
27 views

Is ssl CName important for search engine?

My site is under cloudflare and of course I am using free ssl from their side. So, what what can I have sanctions on the site from the search engines while using free ssl? Or what benefits will I ...
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28 views

ssl (letsencrypt) for the following scheme: server (dynamic ip) -> ddns (no-ip) -> cloudflare -> hostname

My setup is as follows: Dedicated server (Linux) with dynamic IP address NO-IP domain name domain name When I want to access my system (server), I access my domain, which redirects me to my NO-IP ...
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21 views

Exchange 2016 under Cloudflare

As was discussed here, it states that though cloudflare proxies your website in its free service, it cannot do the same on the MX record. I wonder, for my Exchange 2016 server like mine where in my ...
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18 views

nginx req_limit not triggering fail2ban event (cloudflare api)

like the topic states im trying to setup fail2ban for nginx but im having some problems. I want to watch the req_limit error in the nginx error.log and ban the ip on cloudflare via fail2ban, so no ...
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1answer
28 views

Why should Cloudflare LB point to another AWS/GC/etc. LB?

I am aware Cloudflare has a security focus, but considering it also provides load balancing, why should I have it point to yet another load balancer e.g. AWS ELB?
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42 views

Does a proxy server in front of a file server consume bandwidth?

I am new and learning how to setup a proxy server in front of my file server. My initial setup is as follows: User <-> CloudFlare [dns] <-> Web/proxy server [www] <-> File Server [...
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3answers
112 views

How to setup apache with multiple websites using one IP address, separate virtual host files and Cloudflare SSL

I'm using ubuntu 16 LAMP stack. I currently have virtual host files setup for each domain with cloudflare dns pointing to the same IP for 2 Wordpress sites. I'm using cloudflare to generate a free ...
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1answer
64 views

How to delegate a whole domain to another server though CloudFlare?

I'm facing some difficulties today. I have an Italian domain name, and the Italian Authority (NIC) is very restrictive. For example, you can't have 2 NS records having the same IP address. So in fact, ...
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WordPress High Availability Setup - Feedback needed [duplicate]

So I got the lucky job to setup a High Availability WordPress Setup to serve around 100k views per Day. I started to create a server diagram and would like to hear your feedback for improvements. ...
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4answers
173 views

Terminating SSL at Cloudflare level. Do I get performance gains?

I saw in a post that terminating SSL at Cloudflare level and HTTP only traffic from Cloudflare to origin gives a performance boost since SSL is negotiated only at the edge. I run a website (mostly ...
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13 views

DNS EMAIL errors in Cpanel and Cloudflare [duplicate]

I have a problem with my DNS records and cannot get an email to receive. MXtoolbox tells me DMARK is not set up but I added the records. It says I I have a problem with SMTP resolution. Cloudflare ...
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0answers
9 views

How to setup cloudflare with 2 domains pointing to one heroku instance

We have 2 domains (firstdomain.com & seconddomain.com) which points to single heroku instance. We use Full SSL option on both domains (CF settigns). Now we have to upload certificate from ...
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0answers
19 views

Bypass single subdomain on CloudFlare & forward it directly to Heroku with SSL

What is the best way do bypass single subdomain (we use their proxy for caching purposes but don't want it on specific subdomain to speed up some requests). Final server is hosted on Heroku. We like ...
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2answers
61 views

Second level domain names on Heroku with Cloudflare and TLS support

I want to setup second level domain name e.g. load.staging.mydomain.com on Heroku & Cloudflare. http://load.staging.mydomain.com (without TLS) works but https://load.staging.mydomain.com does not....
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1answer
95 views

Why cant Office 365 find my CName record for autodiscover?

The DNS is at Cloudflare. The setup wizard gave me the choice 1) Set up my online services for me. (Recommended) Next, you'll update your name server DNS records to give Office 365 permission to set ...
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1answer
29 views

Domain with cloudflare trough other domain

I have a domain with a provider that doesn't allow nameservers editing but i need it to be handled by cloudflare. I have another domain wich i dontuse. Is it a good idea to change the nameservers of ...
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1answer
126 views

Nginx reverse proxy and cloudflare - Send country code to backend app

I am trying to detect the visitors country. I have the geoip option checked in the cloudflare dash and it adds a CF-IPCountry header to request headers but I am unable to pass this to my backend app ...
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1answer
26 views

Enabling Cloudflare Proxy on Ghost.io hosted blog

I've got a Ghost blog hosted on Ghost.io. In the setup process they help provision a CloudFlare DNS record and SSL certificate to serve the site. In the setup their configuration seems to only use ...
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0answers
41 views

Sendmail from PHP mail() deferred, finds recipient's Cloudflare IP

I'm guessing this is a small issue, but I haven't been able to find someone with the exact problem before. I have a mailserver on a domain, let's say mymail.com. In Cloudflare, this domain's DNS ...
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1answer
51 views

Cloudflare: HSTS (Strict-Transport-Security) for subdomain only

I would like Cloudflare to send the HSTS header on the main domain, and on the www subdomain, but not the other subdomains. However I can only enable HSTS for the primary domain (and add ...
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162 views

Why does app engine return a 404 error on my wildcard subdomain?

I have set up a wildcard subdomain for our project custom domain in app engine. The DNS CNAME has also been updated with the wildcard record. Our nameservers are with Cloudflare which supports ...
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1answer
37 views

Determining if an SSL cert is from cloudflare

I have got a lot of domains. I use basic monitoring script, which checks expiration date of ssl certificate. But a few of my domains use default cloudflare cert. How to determine and reject domains ...
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1answer
41 views

pointing site to Route 53 for a domain already pointing to Cloudflare

Here's the situation we are facing. We have our client who has pointed their domain to cloudflare DNS [ we've set that domain already in our cloudflare account ]. Now the site is to be ...
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49 views

Hidden Service in nginx always brings to the site in ClearNet

I have created an Hidden Service, but I am having toubles doing it. As they says the official instructions here, https://www.torproject.org/docs/tor-onion-service I started everything fine and it ...
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1answer
475 views

Traefik + k8s + Let's Encrypt wildcard SSL + Cloudflare issue

I'm trying to set-up a reverse proxy with wildcard SSL using Traefik, with a DNS challenge against a Cloudflare zone. I have this config in k8s: kind: ConfigMap apiVersion: v1 metadata: name: ...
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1answer
40 views

No static file is cached

I have set up CloudFlare for my website http://www.funfun.org.cn, the caching level is Standard and The development mode is Disabled. By loading the home page http://www.funfun.org.cn/1/#/home, I ...
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1answer
53 views

Switch between using / not using CDN

Previously, I have used CloudFlare, where we can switch quickly between "active mode" and "development mode". In "development mode", static files are loaded directly from the origin server rather than ...
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0answers
32 views

Realise Mixed CDNs

I have seen "mixed CDNs" in some threads, which are not completely clear. For my website (hosted by a server in Alibaba China), I'm trying to use Alibaba CDN for visits from China and another oversee ...
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53 views

SSL doesn't work for Cloudflare Universal SSL

I have Cloudflare account hosting my multiple sites. It has Universal SSL enabled and SSL mode is flexible. I have a new webserver which needs to be on https. As per Cloudflare blogs, no need to ...
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1answer
55 views

How does “Disable cache” work?

I have a website managed by CloudFlare and its CDN. when we choose Disable cache in Dev Tools of Google Chrome like here, by definition the browser refreshes static files. However, I would like to ...
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1answer
81 views

CNAME set, but ignored. How to purge wrong DNS A record? [closed]

I have configured a subdomain blog.example.net with dreamhost like this blog CNAME mygreatblog.ghost.io meaning blog.example.net points to mygreatblog.ghost.io via a CNAME record. I can ...
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2answers
156 views

How to reduce TTFB time?

I have a website hosted by DigitalOcean (1GB Memory/20GB Disk/LON1) and CloudFlare. Lots of external librairies were from cdnjs.com, which worked well in Europe and US, but they were not stable in ...
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2answers
146 views

Cloudflare and .DE domain

It's been a week since I'm having trouble with switching my .DE domain to work through Cloudflare. After registering at Cloudflare I got two dns servers gail.ns.cloudflare.com mark.ns.cloudflare.com ...
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1answer
274 views

How to make Google Cloud Load Balancer respect the received X-Forwarded-Proto?

My app structure uses GKE and CloudFlare. It looks like this: CloudFlare -> GKE -> Ingress -> My app running nginx I'm using the flexible SSL in CloudFlare, so only the connection between ...
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1answer
30 views

Downloaded size is smaller than real size [closed]

I have deployed a website in my server by Nginx and CloudFlare. When I ssh the server and do ls -l over editor.main.js and editor.main.js.map, it shows that their size is 1778867 and 6379687 ...
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3answers
250 views

Fail2ban unban action fails with Cloudflare

I'm trying to setup Cloudflare blocking with fail2ban using this guide and while it bans the IP correctly, fail2ban cannot unban the IP from Cloudflare either after timeout or with manual shell ...
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1answer
68 views

Can Cloudflare's DNS service (1.1.1.1) result in suboptimal address resolution?

Could using Cloudflare's DNS service 1.1.1.1 in some circumstances result in suboptimal server address resolution? Using something like the extended test on https://www.dnsleaktest.com/results.html ...
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0answers
251 views

Managed Security: DNS records could not be found. Certificate activation will retry automatically

I am trying to turn on 'managed security' for my google app engine project, as shown in the following screenshot. The domain name is uat.mycompany.com. It is a subdomain and the CNAME is managed by ...
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1answer
35 views

What is preferred: Pagerule or 'Always use Https'?

I want to ensure that all traffic coming to my servers (including a wordpress server and others hosted on Google comopute) via Cloudflare are https only. At the moment I used this page rule: Then I ...
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0answers
32 views

Server too slow due to DNS resolution issue

I have installed LAMP on Ubuntu 14.04.5 LTS on Digital Ocean Server. The issue I am facing from last two weeks is: The site becomes too slow(or say does not load for 5 minutes) at irregular intervals....
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1answer
87 views

Cloudflare “Access” service real security

Cloudflare Access is a new attractive feature from Cloudflare, based more or less on Google's BeyondCorp (a reverse-proxy with login which should replace VPN in accessing internal network applications)...
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1answer
26 views

What cloudflare pagerule can make a subdomain appears like a url path under the main domain?

I have some tumblr contents living on a site called lovely.mycompany.com What I would like to achieve is the following: When a user visits lovely.mycompany.com/lovely, it should see the content ...
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1answer
150 views

CloudFlare credentials missing when using lego to create “Let's Encrypt” ssl cert

I am trying to generate a server ssl certificate. The DNS is maintained on Cloudflare. The lego's help suggests the following syntax CLOUDFLARE_EMAIL=anthony@mycompany.com \ CLOUDFLARE_API_KEY=...
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2answers
109 views

What bandwidth values should I set?

Edit 1: I gave the used bandwidth in DigitalOcean and CloudFlare in details. We could assume that other factors (like CPU, memory) remain the same. My question is about to ask the interpretation of ...
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0answers
121 views

Protonmail custom domain not receiving icloud mail

I am trying to setup Protonmail with my custom domain (thekeenprogrammer.com) The problem is, I can only seem to receive mail from my gmail account and not iCloud. What could be causing the issue and ...
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0answers
263 views

Leverage Browser caching for woff2 after appling Cloudflare to my WordPress website

I have a WordPress website running on an Nginx webserver on Ubuntu. The site basically runs fine, quite fast, no significant problems. I do get this error in a Google Pagespeed Insights test. It ...
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0answers
468 views

Cron jobs fail, curl & wget unable to establish SSL handshake

Ubuntu 16.04 PHP 7.0 Apache2 Certbot/LetsEncrypt SSL Cloudflare SSL Strict with Origin Certificate Everything up-to-date. After establishing that SSL wasn't being established, tried the following: ...
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1answer
104 views

Is it possible to avoid costs for invalid requests at AWS S3 or cloudfront during a DDoS attack?

There are many tutorials in the internet, that promote cheap hosting of static websites via AWS S3 + AWS Cloudfront (+ Cloudflare). Example of these would be: Host a website using S3, CloudFront and ...