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

0
votes
0answers
12 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
28 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
23 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
29 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
22 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
39 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
58 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
129 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
83 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 ...
5
votes
1answer
498 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
75 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
121 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, ...
0
votes
0answers
71 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
123 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
0answers
240 views

Set $REMOTE_ADDR to real client IP

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
57 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 ...
-2
votes
1answer
826 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
89 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
61 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
176 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
26 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 ...
0
votes
1answer
377 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
704 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
123 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
151 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
670 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
188 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 ...
0
votes
2answers
152 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
65 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
172 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
2k 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 ...
0
votes
0answers
118 views

Nginx & Cakephp & another subfolder and Cloudflare application

I'm using nginx 1.6 and CakePhp 2.x At www.example.com/fasdwqe I see missing controller from Cakephp. But on www.example.com I am getting 504 gateway timeout from Cloudflare. I want to run another ...
1
vote
3answers
161 views

Does CloudFlare make a site a greater potential DDOS target?

CloudFlare has gotten a lot of press recently as protecting businesses from DDOS attacks. But from looking at their twitter feed, it looks like they are targeted every day, and large segments of their ...
0
votes
2answers
75 views

How can I use Lighttpd's $HTTP[“remoteip”] together with Cloudflare?

I am using Clodflare DNS. I only want to allow certain IPs to access certain files. How can I set up my lighttpd.conf to properly detect the correct IP? I know how to do it for the access.log. Is it ...
0
votes
2answers
266 views

Configuring DNS for Cloudflare

I'm trying to configure the DNS for my CloudFlare in my cPanel my host provided me and this keeps happening! But, the thing is that my domain is already pointed to my CloudFlare and I waited 24 ...
0
votes
0answers
490 views

apache + varnish + cloudflare Log IP's

trying to log the real ip of the visitors to a site, with a server running apache, varnish and cloudflare. im currently logging the cloudflare server IP's from visitors, after altering the ...
0
votes
3answers
738 views

Is it sensible to use both pagespeed and cloudflare?

We're using google's pagespeed service. From what I can gather it just draws the page from our webserver and runs it through the mod_pagespeed optimisation module. I'm wondering does it do any ...
0
votes
1answer
556 views

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 ...
1
vote
0answers
114 views

Some emails don't arrive

Yesterday, somehow a DNS Zone File got removed from Cloudflare. So after re-editing the file everything seemed okay. Now there's the problem that some emails don't arrive in the inbox. Strange thing ...
1
vote
2answers
262 views

How does Cloudflare know about my Subdomains?

I just signed up Cloudfare and they showed me a list of my subdomains by scanning my domain. How do they do this? What technology is used to scan all subdomains related to a root domain?
-1
votes
1answer
107 views

Blocking request with query string

I'm an under a DDoS attack though I have cloud flare.. I found out that the attacker is accessing the server using query strings "?a=randomnumber" I don't use query strings in my website so I need ...
0
votes
2answers
1k views

How to add subdomains to cloudflare's network?

I signed up for cloudflare in order to speed up my website & protect it from attacks. But I'm unable to figure out how to add subdomains & sites installed at (directories) ...
-2
votes
1answer
500 views

Hide my real ip with Cloudflare [closed]

I have a VPS and I want to hide IP with cloudflare. IP: 127.0.0.1 NS: ns1.domain.com So I created an account and change the nameservers but when I check with ping or whois service, it returns MY ...
0
votes
0answers
38 views

Website Times Out In The UK

My site is unavailable intermittently. Unfortunately the server suffered a melt down and my host had to restore me to another server from an antiquated backup. They sorted out the DNS to point to the ...
1
vote
2answers
293 views

MX lookup failed

This is a part of my dns-zone file: ;; MX Records mx.domain.de. 300 IN MX 1 direct.domain.de. ;; CNAME Records www.domain.de. 300 IN CNAME domain.de. mail.domain.de. 300 IN CNAME ...
1
vote
2answers
539 views

Why do DNS services propagate so much faster? [closed]

Say I want to point my domain blah.example.com from a server located at IP addres 1.2.3.4, to a different server located at IP address 5.6.7.8. This requires a DNS change. Why is it that when I log ...
1
vote
0answers
140 views

nginx and cloudlfare ip confusion?

I am using the below config in http block of my nginx.conf to get real ip while using Cloudflare acceleration service: ## Cloudflare settings to get Real IP's set_real_ip_from ...
0
votes
1answer
83 views

AWS subdomains issues

Hi guys! I've tried to create a couple of subdomains for my website. I created virtual hosts in the apache configuration and I added the records to the Amazon Route53. But now, it's working sometimes ...
0
votes
3answers
387 views

Issue varnish purge through CloudFlare to Varnish

I've been working on this for a while and can't seem to find any solution. I have varnish sitting in front of my nginx server, with CloudFlare sitting in front. When I issue a curl -X PURGE host ...
1
vote
0answers
238 views

Stuck with DNS questions during migration to AWS EC2 + Route 53

We're running a little hosting service with two nameservers registered for us at a local registrar: ns1.ourcompany.com ns2.ourcompany.com Now i want to move over to cloudflare with all the DNS ...