Server Fault Stack Exchange
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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.

513 questions
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Access my server through SSH with the domain (with Cloudflare)

I have this server (44.44.44.44, for instance) running a webserver. I have routed pollnote.com to the server to access my webserver. Everything works fine. To access the server, I added my Public Key to .ssh/authorized_keys so I can do ssh…
Enrique Moreno Tent
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Using namecheap dns with cloudflare

Since CloudFlare doesn't provide E-mail forwarding I need to leave my DNS management on Namecheap. What DNS records (A,CNAME,...) would I need to point to CloudFlare (and to where) to be able to still use their functionality whilst leaving the rest…
Onitlikesonic
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Does cloudflare know the decrypted content when using a https connection?

CloudFlare provides ssl support. However, if a visitor visits a website protected by CloudFlare, is CloudFlare able to know the plain data transfered during this visit? There are a few SSL options: Flexible SSL Full SSL Full SSL (strict) I know…
xuhdev
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Adding CloudFlare to S3 bucket

I have an Amazon S3 bucket that contains thousands of JPGs and similar media assets. (It's the storage for my forums.) I don't host a static site in this bucket (no HTML of any kind) and it's completely open for the public to read (so the forum…
Eric
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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 the user and CloudFlare uses HTTPS, all the remaining uses…
Vítor Baptista
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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 CloudFlare How to host a website on S3? I was…
user1861174
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Redirect loop using cloudflare's Flexible ssl

I am trying to implement Flexible SSL provided by CloudFlare to my site. Here is my nginx config: # PHP-FPM upstream; change it accordingly to your local config! upstream php-fpm { server 127.0.0.1:9000; } server { listen 80; …
Deqq
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How do I deny all requests not from cloudflare?

I've recently gotten denial of service attacks from multiple proxy ips, so I installed cloudflare to prevent this. Then I started noticing that they're bypassing cloudflare by connecting directly to the server's ip address and forging the host…
phillips1012
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Setting up CloudFlare with Route 53?

I'm trying to get CloudFlare to sit in front of Route 53. I have my main web server on an ELB (which doesn't have an IP address). CloudFlare needs an IP for an A record, so how can I accomplish this?
Shamoon
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Cloudflare not caching static files as expected (cf-cache-status: MISS)

I'm wondering why Cloulflare would not cache a certain static js file. Given the reuqest: curl -I http://www.testlifeinuk.com/dist/lifeinuk.js the headers returned like: HTTP/1.1 200 OK Date: Mon, 12 Jan 2015 10:59:21 GMT Content-Type:…
Wudong
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Using CloudFlare as the only load balancer

Say I have 3 VPS nodes with Linode to serve traffic on a single website. Linode themselves provide a node balancing solution. But I use CloudFlare and was wondering after I read their blog article on their architecture if it was necessary to use…
Masum
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Amazon S3 appears to be blocking cloudflare IP addresses. How do I fix it?

I have static content that is being served by Cloudflare. Cloudflare points to Amazon S3 to pick up the static content and serves it via a CNAME (cdn.mydomain.com). The bucket is setup properly and everything was working fine for months until…
JStark
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Using dd-wrt Dynamic DNS client with CloudFlare

I'm trying to configure Dynamic DNS client on my router with dd-wrt (v24-sp2) firmware so it would dynamically change IP address in one of the DNS records. Unfortunately I encountered a problem… Here is an example request from their ddclient…
Roman
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How to bypass cloudflare caching like reddit does

Someone knows how reddit manages to bypass cloudflare static html caching once the user logs in successfully with a reload of page? I see that the current page gets reloaded after a successful login. Response headers before login: CF-Cache-Status:…
jithujose
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Strange characters appearing in some DNS checkers, but not others for DKIM and SPF, possibly causing DMARC to fail

Emails sent from all 3 email addresses I have set up in the Rackspace Cloudways Add-On are ending up in Spam in GMail. When I "View Original Message" in GMail, I see... SPF: NEUTRAL with IP 173.203.187.81 DMARC: 'FAIL' ... where 173.203.187.81…
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