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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Mailing server not receiving incoming-emails sent by addresses outside of my domain
I am using a shared hosting service (iFastNet) to host my website (https://ender.ing/). I was able to get my mailing system to work just fine when I set my DNS records to point to the shared hosting ...
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Nginx proxy_pass randomally get timeout error when proxying to same machine through outside server
Disclaimer- I already asked this question in cloudflare forums but after some digging I'm realizing it's more of an nginx issue.
I have example.com domain which runs through cloudflare, and sits at 12....
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How to handle CNAME requirement for zone apex DNS record in AWS Route53 and Cloudflare
It is not possible to create a CNAME for the apex zone in Route53 - it violates RFC. Route53 provides for an ALIAS record, but this record has to point to another AWS service and is not capable of ...
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Allow only Cloudflare access to my website and block all other requests?
Original question title: "Allow only cloudflare access to my website and block all visits, bots or crawlers to my IP address"
I have a question, I use cloudflare DNS on my domain.
My VPS 30....
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How to configure web server to only accept traffic from Cloudflare?
I'm using Cloudflare and I want to protect my origin server from accepting any traffic that is not Cloudflare.
I was thinking to just IP whitelist https://www.cloudflare.com/ips/
However, I notice ...
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Server works over IP with port but not domain and port
I have plugged CloudFlare to my server and redirected domain to its' nameservers.
The default domain sends the typical "Server Down" website from CloudFlare - which is fine, because I have ...
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Blocked IP on CloudFlare keeps connecting and attacking server
I have a NodeJS server with HTTPS and certificates. The DNS is on CloudFlare.
The host receives a connection every day at 3:32am from 3.8.236.120, an AWS host in the UK. The crawler launches requests ...
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Cloudflare WARP not allowing telnet to 127.0.0.1 3306
I've recently started having issues with cloudflare WARP. I have the following setup.
Ubuntu 22.04
Cloudflare-warp Version: 2024.2.62-1
Docker: 1.5-2
When I connect to warp I have no problem accessing ...
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SSL certificates and firewall blacklists
We have a domain, erbaharlab.com, which we have bought for our research group.
www.erbaharlab.com contains our research group website, nanospacejm2.erbaharlab.com contains a conference website and ...
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Putting a Django application into production on Ubuntu server with Apache2 and Cloudflare
I have this Django application which works very well, but I do not understand at all, how to put it in production on a Ubuntu 22.04 LTS server using apache2 and to link it in HTTPS, on a domain such ...
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How to Tune Virtualmin Website for High Traffic? (Alt: How to defend against DoS?)
I have a website running on PHP-FPM/Nginx/MariaDB, hosted through Virtualmin on an 8GB RAM, 4 core Xeon 3.1ghz CPU, hidden behind Cloudflare.
Recently, we've had a number of simple DoS attacks, a ...
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How to best disable DNSSEC before onboarding to CloudFlare?
In order to avoid offline time for for a DK domain when onboarding them to CloudFlare, I have read this regarding disabling DNSSEC: https://developers.cloudflare.com/dns/dnssec/
Where is says:
If you ...
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Is it possible to put http torrent tracker (XBT) behind cloudflare tunnel
Similar question in this thread
Is it possible to put http torrent tracker under CDN to prevent DDOS?
basically xbt works on port 7210 (by default) and if I do redirect with tunnel, I lose IP address ...
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How can I force web request to resolve to external DNS
We are using a split DNS for traffic for our primary domain - external traffic goes to Cloudflare, and internal traffic goes to our windows server DNS, for security reasons. However, for our primary ...
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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 ...
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how to setup failover network with docker on synology
I have one synology nas with 2 nic and I have two different internet connect from 2 different ISP. and I am using cloudflare zero trust service in my docker on synology.
that nas server nics connect ...
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Howto add ipv6 to remoteip.conf
I'm trying to apply these configurations to my apache2 web server with the help of Cloudflare original documentation here. In the 4th step it says;
Define trusted proxy addresses by creating /etc/...
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Is it possible to bind a port with HTTPS in nginx
I have a graphql api that works when accessed with http://example.com:4001/graphql but does not work with https://example.com:4001/graphql which is obvious as https takes the port 443 and here I am ...
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Session Continually Times out when Accessing SuperMicro IPMI via Cloudflare Tunnel
I have a SuperMicro X12dpi-N6 motherboard system that is currently running Ubuntu 22.04 Server. In order to support remote maintenance, I configured a cloudflare tunnel that would allow me to access ...
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Cloudflare edge certificates stuck on pending validation because of DNSSEC
I’ve added my domain to cloudflare around 15 hours ago and edge certificates is still stuck on pending.
I tried the help center and the answer I got was to test my website with https://letsdebug.net/ ...
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How to investigate 100% CPU load for 15 minutes on random days
"I have a server that runs a website on Apache2 and is behind Cloudflare. The server's normal load, according to 'htop', is 10%. However, at random days/times, the server load spikes up to 100%, ...
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Cloudflare Origin Server Exposing IP with DNS Only SRV Record
I have a domain registered with Cloudflare with an associated A record which point to the IP of my server (origin server), as well as an A record for a subdomain (service1.example.com) for a TCP ...
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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 ...
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Configuring Cloudflare DNS for Office 365 to Maintain Separate Mailboxes on sitground.com
I have a web application on the site siteground.com, associated with the domain adward.com. I used microsoft365.com as the mail service. On siteground.com, there is a mailbox, for example (job.adward....
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Specifying IP Address for DNS Migration to Cloudflare
I am currently in the process of migrating my DNS to Cloudflare, and I've encountered a bit of a snag that I hope some of you might be able to assist me with.
I am managing a domain registered in ...
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AWS instance when self-hosted via cloudlfare is stuck on the login page,when logged in,it just deauthenticates and returns to the login
I am hosting an AWS instance and running filecloud on it.It works perfectly when accessed with the public IPv4 DNS.I added a CNAME record on cloudflare to connect it to my personal domain. When ...
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Cloud Flare Certificate - Origin server NET::ERR_CERT_AUTHORITY_INVALID
I've a private container registry, thats exposed with a dns proxied with CloudFlare.
So far everything was working fine, now we are migrating our services devops to github actions and while I try to ...
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Forwarding traffic from OpenVPN through Cloudflare WARP
I have an Ubuntu 22 node, and I'm trying new ideas to implement using Cloudflare WARP.
Let's say I want to have an OpenVPN server running on the node, while Cloudflare WARP is installed and connected. ...
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Vaultwarden hardening
I’ve been to harden my security around the vaultwarden instance and currently unable to get the iptables working. The ban on Cloudflares side is working fine, although for some reason the iptables ...
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Weird 301-redirect to http from https only happening with CF as proxy on /wp-admin on www subdomain
I have a wordpress blog on an EC2 instance on AWS using the AMI image aws-marketplace/bitnami-wordpress-6.3.2-6-r09-linux-debian-11-x86_64-hvm-ebs-nami-7d426cb7-9522-4dd7-a56b-55dd8cc1c8d0
In ...
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Use custom SNI for Cloudflare
I have an app back-end on a server it has many users in China and it uses websocket, I'm doing some tests to bypass GFW's blockage of SNI, we can connect to Cloudflare Websocket websites in China, but ...
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DigitalOcean Loadbalancer and Cloudflare DNS
I have moodle instances on DigitalOcean, that connect to one load balancer instances (DigitalOcean load-balancer).
I'd like to use Cloudflare DNS with a proxy and point it to my load-balancer's IP ...
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Nginx Server Block Configuration Issue - Conflicting Domains
I have a clean installation of Nginx, specifically version 1.24.0, on my Amazon Linux 2023 server, and I'm facing an issue with the server block configuration. I have three server blocks set up for ...
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How to resolve "400 Bad Request" after cloning a webserver that uses Cloudflare for SSL?
I'm trying to clone a webserver that hosts sites that rely on Cloudflare for their SSL certificates.
After cloning the server and updating my local hosts file to point the site to the new server, I'm ...
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Is Cloudflare a good option in this case and if so, how set up it?
I need to make a small (courses) platform where users aren't supposed to download the videos.
Is pass the media through CloudFlare a good way to prevent those downloads at least make harder? if not, ...
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Kubernetes Dashboard (from Helm chart) behind Cloudflare Tunnel - How to fix TLS bad certificate error?
I have successfully installed cloudflared in my K3s cluster and am running a bunch of services through several subdomains that point to the tunnel. That works like a charm.
Now I would like to create ...
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ssl_issuer_unknown when connecting only to a certain <VirtualHost> with apache
I've this problem with my site configuration and ssl certificates. I've got two websites on the same machine running two different domains. Their respective ssl certificate is issued by Cloudflare and ...
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Cloudflare is able to fetch all my domain CNAME
Today, I was in the process of setting up an account with Cloudflare (the free tier). During the setup, it asked for the domain I wanted to configure. When I introduced my domain, and without making ...
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Configuring SMTP through Cloudflare
My domain registrar is Cloudflare and my site is hosted through A2 Hosting. My problem is that my email worked fine when A2 Hosting was my domain registrar and web host. Now, neither Thunderbird or ...
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Config to allow SQL Server to be connected through CloudFlare?
I have already known the risk of exposing SQL Server database on the Internet, but please look at my situation: I have two instances of SQL Server: production (default instance SQLEXPRESS) and dev (...
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Why does my Let's Encrypt certificate contain references to Cloudflare?
I own a website that uses a Let's Encrypt certificate. It's not behind Cloudflare, it's hosted at OVH and I'm accepting direct traffic from it.
Now, I set up an apache2 webserver and used certbot to ...
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cannot ping 8.8.8.8 with tailscale started
We have been using tailscale for several years now without too many issues.
I have a user whose device cannot ping 8.8.8.8 when tailscale is started. There are no tailscale exit nodes involved and the ...
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Understand wrong data shown on the e-commerce. Cloudflare - FrontDoor and Multiple Azure AppService instance
I've recently migrated a VM that was hosting an Asp.NET MVC application + Wordpress blog on a separate AppService for MVC + another one for Wordpress.
We have now this configuration:
Cloudflare for ...
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Mask Url from path to subdomain using NGINX
I want to achieve url rewrite as such:
https://documentation.domain.com/login to https://app.domain.com/login
https://api.domain.com/login to https://app.domain.com/login
, any sudomain with url {...
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NGINX Rewrite path to subdomain with cloudflare results in Too many redirects
I want to achieve url rewrite as such:
https://documentation.domain.com/login to https://app.domain.com/login
https://api.domain.com/login to https://app.domain.com/login
, any sudomain with url {...
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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 ...
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Using IIS HTTPS Rewrite with Cloudflare?
I have an IIS (10.0) server (2019) running a .NET application.
I'm using cloudflare for DNS/SSL and have the option to have CF enforce SSL. This works fine if im using the DNS name of the app, ex http:...
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Site redirection of recently acquired domains works fine from external network but fails inside internal network
We have recently acquired 04 domains and configured 301 site redirection for those sites to our company site and it works fine from external network. However, the redirection doesn't work from inside ...
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Configure Keep Alive for connections coming from Cloudflare
I have two servers, an NGINX load balancer that receives connections from Cloudflare and two Apache applications that receive requests forwarded by NGINX.
[Cloudflare] → [NGINX] → [Apache 01/Apache 02]...
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Why is my naked domain working when I only configured the www?
I set up my domain on heroku/cloudflare. In my heroku settings, my domain is listed as www.my-domain.example. While testing and iterating on configuration, I removed the other entry I had previously ...
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