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

learn more… | top users | synonyms

1
vote
0answers
18 views

Social networks and Cloudflare free SSL

Let me expose my setup and problems. Maybe some of you will have ideas for me to test. Setup On Digital Ocean : I have one web server running a web site with NGINX in the front (Ruby on Rails ...
0
votes
2answers
36 views

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 ...
0
votes
1answer
41 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 ...
-3
votes
1answer
23 views

Cloudflare map path to domain

Is there a way for Cloudflare to map a requested URI to a domain that it fetches the content from? I'd like all requests to mydomain.com/media/images to be fetched from say, ...
0
votes
2answers
61 views

Registered domain using Route 53, using Cloudflare for DNS, having problems configuring DNS correctly

I've been trying to configure a Github Pages + Universal SSL from Cloudflare setup, unfortunately while the Jekyll/Github Pages part is going well, DNS configuration is not going as well. I've bought ...
0
votes
1answer
38 views

DNS Issues connection with AT&

I run a new website called Yclas.com. I am bootstrapping the business and finally got the first paid customers but I am stuck with an issue with 2 customers from USA. This 2 customers use AT&T as ...
1
vote
2answers
85 views

How to Create a subdomain on cPanel while Cloudflare is hosting my DNS [closed]

What I Did: My domain example.com is registered through godaddy. Which I forwarded to Cloudflare for DNS services. NS records points to amanda.ns.cloudflare.com and igor.ns.cloudflare.com I created ...
-2
votes
1answer
67 views

What is the meaning of Server :cloudflare-nginx?

I am trying to see, what is the web-server name of a particular website. http://browserspy.dk/webserver.php When i searched i got response as Server: cloudflare-nginx i know nginx and ...
0
votes
1answer
24 views

handshake_failure from cloudflare ssl

I'm using FastSpring payment, the problem is when I'm making payment in FastSpring and returning to my website, it's giving me Http notification issue: -- Error -- ...
0
votes
1answer
178 views

ERR_SSL_VERSION_OR_CIPHER_MISMATCH on Ubuntu

I'm running wordpress on a Digitalocean VPS with cloudflare installed. My ssl was working perfectly till a few days ago when a buch of clients informed me they received the following error when ...
0
votes
0answers
57 views

CloudFlare + Nginx + ngx_http_realip_module

We are currently using ngx_http_realip_module to convert CF ip's back to the users'. It works well for the most part but some ips in our access.log are still from CF. Current config in http {}: ...
0
votes
1answer
220 views

Allow only SSH, FTP and Cloudflare Servers via IPTables

I want to allow only SSH access, FTP access and all communications between my Dedicated Server and all Cloudflare Servers using IPTables. I tried the commands beneath but it seems like I kicked out ...
0
votes
1answer
138 views

Why I have set HTTP_X_FORWARDED_PROTO and unset HTTPS on Apache 2.4? [closed]

Recently I updated my website: CMS (Drupal), it's OS (Ubuntu 14.04) and Apache (2.4.7). The situation is that when surfing on https://example.com/whatever PHP can't detect HTTPS. $_SERVER['HTTPS'] is ...
0
votes
1answer
80 views

fail2ban keeps trying to ban again

I have an issue getting fail2ban to do what I want. I use a action which bans the IP on CLoudFlare, that means that still a lot of requests get through until everything has been updated on ...
0
votes
2answers
165 views

Reverse DNS error

Today I changed my DNS and nameservers to Cloudflare. After that, pingdom gave some strange DNS errors. I searched the internet but couldn't find a solution. The errors are: Could not find reverse ...
1
vote
1answer
238 views

How to log clients' real IPs when using CloudFlare + Nginx + Apache

I've been stuck for days trying to solve this problem, I hope someone can help me with this. I have Nginx stands as a reverse proxy in front of Apache. I'm able to log clients' real IPs by using ...
3
votes
1answer
209 views

Unable to allow/deny access to IPs

I have an otherwise happily working server on Ubuntu 14.04. I'm trying to restrict access to a file using an allow/deny block: <Files "login.php"> order deny,allow deny from all allow from ...
0
votes
0answers
105 views

Bad Gateway - NGINX Load Balancer Cloudflare

I have configured an NGINX 'load-balancer' to sit in front of my site. Right now my backend consists of only one server, but I plan to add more to actually utilize the 'load-balancing' of NGINX. If I ...
0
votes
1answer
95 views

Openshift Wordpress site custom domain name 'www' doesn't work [duplicate]

I use Opemshift to host my Wordpress site. I use a custom domain name for my site. I have also added an alias for www.example.com. I use Cloudflare for DNS and I have created a CNAME record for ...
0
votes
0answers
99 views

How to avoid OpenShift sub domains being cached by Google?

I've set up a custom domain with my OpenShift application. (Which is a blog) I've setup CloudFlare with page rules to redirect mydomain.com -> www.mydomain.com Now essentially, I've two aliases for my ...
0
votes
1answer
902 views

Getting a [550 5.1.1 Recipient not found] (Can't receive email) with CloudFlare

I'm having troubles with my email account. I'm using GoDaddy's Email service and the domains that are not connected to CloudFlare are operating just fine. The problem comes in with the domains that I ...
0
votes
1answer
124 views

HAProxy loadbalancing wildcards

This is an example of my loadbalancer file for a single DNS entry. acl: - 'is_site_net hdr(host) -i site.net’ use_backend: - 'site_net if is_site.net whitelist_list’ site_net: options: ...
0
votes
0answers
56 views

Delay for CNAME entries on Cloudflare, or any other restriction?

I have a domain like "example.org" at CloudFlare. I have a CDN at Amazon and would like a CNAME subdomain pointing to the CDN host. I have added a CNAME called "documents.public" pointing to the CDN ...
0
votes
1answer
29 views

Inbound IPTables rules based on queried domain

I have an odd situation and I'm not entirely sure if it is even possible in IPTables. If it isn't, that's fine and I can do without. If it is, fantastic, I'd love to see how to implement it. So, my ...
-1
votes
1answer
40 views

Un-Noticed Vulnerability, I need to know if i should do anything

Possible Web-Site Vulnerability. I'm not sure if this is the right place to ask this, but I am running my own website, that is still currently being developed, but since it is 'Open as Beta' it is ...
-1
votes
1answer
104 views

Can I redirect to other subdirectory of another site with CloudFlare [closed]

I use CloudFlare as DNS and want to point one of my site say productA.com to my main site my-main-site.com/productA. Is this possible with CloudFlare?
0
votes
1answer
221 views

Email configuration - DigitalOcean, CloudFlare, Postfix

I have a website (safirasaloes.com.br) hosted at DigitalOcean and DNS set at CloudFlare. I'm trying to receive e-mails at contato@safirasaloes.com.br with Postfix but I can't. The big problem here is ...
1
vote
1answer
170 views

SSL VirtualHost not using DocumentRoot

I'm trying to set up a self-signed SSL certificate between my own VPS and Cloudflare (next to Full SSL). I'm using the following VirtualHosts for this: <VirtualHost *:80> ServerName ...
6
votes
1answer
582 views

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: ...
0
votes
1answer
176 views

Nginx ip_hash behind proxy (Cloudflare)

We use nginx for our load balancing, and we need ip_hash to guarantee our server work fine. When we started using cloudflare, most our requests go for one server as it seems all of them are ...
0
votes
1answer
247 views

HaProxy + CloudFlare

I am trying to setup HaProxy with DDoS protection rules (rate limiting). However, I think HaProxy is now rate limiting CloudFlare IPs instead of Visitor/Real IPs. (note: my site itself is fine, ...
1
vote
2answers
362 views

Cloudflare doesn't cache as expected

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: ...
1
vote
2answers
600 views

HTTPS access to S3 bucket through Cloudflare

I'm trying to use Cloudflare to provide https access to an s3 bucket. I've setup the CNAME entry in Cloudfront with pointing to the bucket and I've verified I can access it via http but when I try and ...
1
vote
1answer
596 views

Set $REMOTE_ADDR to real client IP [closed]

I am hosting a WordPress site on Heroku with Nginx. DNS is behind CloudFlare. My WordPress plugins reports Heroku IPs instead of real client IPs. I have the following Nginx rules: location / { ...
1
vote
1answer
178 views

Handling POST requests from blocked IP's

I have a malicious user targeting my site, sending a large amount of POST requests. I have automated systems to block abusing IP's however the problem is I am blocking them within my PHP code via a ...
-1
votes
1answer
2k views

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 ...
0
votes
0answers
165 views

Infinite 301 redirect loop on some images with apache mod pagespeed

I just installed mod-pagespeed on my Ubuntu server and I have some images which are not visible when I activate mod-pagespeed. When I looked at these images in the Chrome developper tool I see a 301 ...
0
votes
1answer
105 views

Allowing outgoing connections to a particular IP with ufw

I have disabled outgoing connections as a whole with UFW seeing that I didn't want to take chances with my vBulletin forum exposing my server's IP address to attackers (I use CloudFlare). As I've ...
1
vote
1answer
583 views

High # of sockets in TIME-WAIT state, server unresponsive at load

Our app became unresponsive at high loads, with longer wait times. Process usage was abnormally low (~15% CPU utilisation per process, our app runs on 8 processes). Nginx error log output showed a ...
0
votes
0answers
29 views

Site functionality diminished over VPN/company network

We currently experience a diminished with one of our customers at our main production site. All subpages and resources seem to be affected as well. The customer reports a completely broken ...
1
vote
1answer
1k views

How to make a domain receiving email behind cloudflare?

I have a web server hosting multiple domains (centos + postfix + dovcot), one of my domain its dns is hosted on cloudflare (ie. abcd.com), but when I use gmail to send email to a user@abcd.com, ...
-3
votes
1answer
1k views

How to add reverse dns record on cloudflare [closed]

I need to set PTR record on my cloudflare account, because all outgoing mails are going to spam. I do not see ptr record in my cloudflare account. Can I use txt/srv record instead?
0
votes
1answer
179 views

How to debug nginx + php-fpm download failures?

Downloads fail after all data downloaded on nginx + php-fpm. I'm controlling downloads of zip files (roughly 100mb each) with a PHP script that streams the file directly to the client. I'm using ...
0
votes
1answer
190 views

Cloudflare secondary name server timeout

I recently switched over to Cloudflare and some people have problem sending mail. I've checked and double checked my DNS settings and they look right. However, I have found that querying the secondary ...
0
votes
2answers
878 views

Https url appended with port 80 using CloudFlare, Nginx, and Thin

I have a Nginx setup for my Thin server running a Ruby on Rails project. Nginx is currently the endpoint for my SSL. I recently had some issues with attacks on my webserver, so I decided to add ...
0
votes
2answers
291 views

Having trouble removing HTTP header “Cache-control”

I'm trying to get my assets cached using Cloudflare Cloudflare states here that "CloudFlare will not cache your site or static content if you have no-cache and private headers coming from your ...
1
vote
2answers
240 views

Customize log entry for AWS ELB for real user IP

I would like to change the logging format for AWS ELB, in order to log the real user IP. My current server setup contains multiple layers of proxies as followed: CloudFlare -> AWS ELB -> Nginx (EC2) ...
0
votes
0answers
89 views

exact same nginx + uwsgi settings, but after getting SSL for my domain, can't connect to flask

im using the exact same nginx + uwsgi settings, but after getting SSL for my domain, I cannot connect to the flask app. what could have gone wrong? There's nothing in the error.log, although the ...
1
vote
1answer
214 views

Slow loading PHP script makes Cloudflare block connections

I use php-fpm and nginx, I am running a slow script but it's blocking all Cloudflare connections, most likely it's a php-fpm issue but I can't find anything via Google. If I run the php script ...
1
vote
2answers
3k views

Using cloudflare as the only load balancer

Say I have 3 vps nodes in linode to serve traffic on a single website. Linode themselves provides a node balancing solution: https://www.linode.com/nodebalancers But I use cloudflare and was ...