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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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Nginx not logging $remote_port when coming from cloudflare

We offen receive requests from police to provide the ip and port of visitors. When the requests come via cloudflare(https), the $remote_port variable is empty, when I access the load balancer via it'...
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1answer
13 views

Postfix + Dovecot + AWS + CloudFlare + SquirrelMail Unable to receive messages

Set this thing up awhile ago, and it sends messages Just fine, However I wanted to start being able to receive messages. Iv tried telneting into port 25, and nothing. dig dzwxgames.com mx: ...
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1answer
12 views

How do I setup a CloudFlare Origin Certificate in AWS Certificate Manager?

When I try to import the Origin Certificate that CloudFlare provides into AWS Certificate Manager so I can use it with an ELB, ALB or NLB I find that it requires a key chain certificate that they didn'...
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1answer
28 views

Wordpress + Cloudflare SSL redirects to apache root?

We recently deployed our new website and when trying to use it over SSL with cloudflare, it redirects to the Apache root dir? I generated origin TLS certificates and downloaded those from cloudflare ...
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1answer
35 views

CloudFlare and let's encrypt free ssl certificate subdomain

I want to know if it's possible to mix and match free ssl certificate from cloudflare and let's encrypt for subdomains. E.g. a.example.com and b.example.com use free ssl from cloudflare (I'm aware ...
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47 views

Push DNS server instead of Router's IP on OpenWRT

I have a router with OpenWRT installed. In the section Network → Interfaces → WAN → Edit → Advanced Settings I have set up my custom DNS servers (Cloudflare and Google). Now my routers continues to ...
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15 views

Nginx not caching css js files

I have enabled microcache + static cache + pagespeed in my nginx domain conf file. My server is behind cloudflare. When I inspect element on browser, I only see br-cache-status HIT for root path "/" ...
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1answer
19 views

Can I use my own SSL for sub domains which are not using Cloudflare HTTP proxy?

I'm using the cloudflare free plan I have domain.com which will use cloudflare HTTP proxy but i have a subdomain sub1.domain.com which will not use cloudflare's HTTP proxy, can i still use my own SSL ...
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1answer
77 views

WordPress with Nginx and Cloudflare

I'm not sure if this is an issue with changing the domain name on a WordPress site, or an issue with configuring SSL certs between Nginx and Cloudflare. I suspect it's a bit of both. I've setup two 2 ...
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1answer
42 views

Postfix + Cloudflare configuration for FQDN mail server

My configuration is Ubuntu 16.04 LTS + postfix for basic Internet mail server. We are using Cloudflare as our DDOS protector for websites. Here is the problem: The website record A example.com ...
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15 views

Cloudflare Not Handling Internal Server HTTP 500 Error

I'm on Cloudflare's Pro Service. I've created a custom page for "Always On" and 500 Custom errors. However, when I mimic an error on the server creating a 500 error I see the server error message ...
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33 views

Fixing broken SSL between Cloudflare and Heroku

Having spent three days and read dozens and dozens of blogposts and articles and tried every possible combination of CNAME records & target URLs, I still cannot get my Heroku app working with my ...
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1answer
256 views

Is the new iOS cloudflare 1.1.1.1 app an actual VPN [closed]

The new 1.1.1.1 cloudflare iOS app installs as a VPN profile and when connected the device shows the active VPN icon in the top bar. My question is, can one tell whether this is actually a VPN (if ...
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10 views

How do I help Cloudflare / Apache / Wordpress to cache 404 pages?

Using Newrelic I've found out that 65% of load on my web server was created from the 404 rendering of static resources, because the 404 page was rendered also for the missing static resources (jpg, ...
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1answer
35 views

HTTP2 on multiple proxies

I read in Cloudflares support pages they convert the traffic from HTTP2 to HTTP/1.x when sending the requests forward to our internal proxies. We have a Cloudflare WAF service, which send the traffic ...
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118 views

Basic Auth header params does not exist depending on url

Forgive me ahead of time for my lack of knowledge on this topic When I send a basic auth request (via header) to my url https://www.mywebsite.com, the PHP server variables such as "PHP_AUTH_PW" and "...
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0answers
54 views

Domain mirrors my site using CloudFlare NS

I've noticed that a site that uses Cloudflare DNS is mirroring my website. I've tried blocking the IP in Apache, CSF/Iptables...no luck. I'm not familiar with Cloudflare but digging more I've found ...
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3answers
75 views

Delegating only a third level zone (a.b.example) to CloudFlare

I am in the process of trying out CloudFlare. I host my own DNS (b.example), and I have created a distinct third level zone (a.b.example). I put glue records in the b.example zone and setup the a.b....
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1answer
209 views

Run HTTP server on port 9090 (Node.js) and use Cloudflare

I wonder how I can add to Cloudflare subdomain to a specific port that can work in the browser. I open a socket using socket.io on port 9090 and have an index.html file server.listen(9090); if I ...
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0answers
104 views

Error 525 when trying to use SSL through CloudFlare

I have a subdomain set up (on a different server to my primary server) and I also have SSL set up in cloudflare, with both the key and certificate files on both servers. The following is my apache2 ...
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1answer
64 views

Configuring postfix or other software to route mail through Cloudflare or other ddos protection?

So I'm looking to set up my own mail server with postfix, but I've currently routed my web server through CloudFlare. Is there a way to route all outbound emails through some sort of proxy or ddos ...
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73 views

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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2answers
28 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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1answer
76 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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125 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
175 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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3answers
304 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
76 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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0answers
17 views

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
203 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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0answers
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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13 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
118 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
141 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
389 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
525 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
55 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
60 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 ...
2
votes
1answer
170 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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0answers
404 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
38 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
106 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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0answers
103 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
1k 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
84 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
62 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
41 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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0answers
98 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
200 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 ...