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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2
votes
2answers
738 views

Correct usage of whitelisting cloudflare IPs in iptables

I'm relatively new to using the command line so I'm understandably nervous about fiddling around with IP tables and accidentally doing something wrong which consequently opens up vulnerabilities in ...
1
vote
2answers
279 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
467 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 ...
0
votes
2answers
825 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
270 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
90 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
528 views

Wordpress feed does not update after APC and Cloudflare

I am running a Wordpress site on a Ubuntu server. I installed APC and setup Cloudflare. After that I started having a strange problem with the feed. When I check the feed on the browser, I can see ...
4
votes
1answer
394 views

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 ...
3
votes
1answer
182 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 ...
1
vote
1answer
149 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 ...
0
votes
1answer
105 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
1answer
602 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
25 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 ...
0
votes
1answer
214 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
1answer
161 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
241 views

Configuration issue with HttpRealipModule (CloudFlare) in nginx configuration file

I've been attempting to use HttpRealipModule with the CloudFlare IP range in my main nginx configuration file but upon restarting nginx I'll just get a standard `"configuration file ...
0
votes
1answer
100 views

CloudFlare dashboards empty, or performance issues

I wanted to test CloudFlare performance so I set my image gallery domain on it and started testing. I have added PageRules for caching. And chose the Security: Essentially Off. I checked NS check ...
0
votes
1answer
148 views

powweb and cloudflare

I am using powweb as hosting provider and cloudflare as free cdn. Its been few weeks since my website is down and it says "website down, no cache version available". And to add more to it, I cannot ...
0
votes
1answer
202 views

Free Web Forwarding without Nameservers

I have a site running Google App Engine and using CloudFlare (a free CDN proxy, using its own nameserver). This leaves me with no options for the root domain. App Engine does not support naked ...
-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
128 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 ...
1
vote
0answers
470 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
0answers
128 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
0answers
284 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 ...
1
vote
0answers
602 views

nginx 502 bad gateway some files

im using cloudflare. my site working good but not loading any images, css files and js files. my server details; ubuntu 12.04 nginx/1.1.19 php5-fpm mysql you can check live here Check with www and ...
0
votes
0answers
26 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
0answers
93 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
0answers
69 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
0answers
51 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
0answers
149 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
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 ...
0
votes
0answers
81 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 ...
0
votes
0answers
138 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 ...
0
votes
0answers
545 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
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 ...