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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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Docker nginx proxy with multiple websites Cloudflare SSL

I have been trying to setup SSL on my Docker Nginx server to no avail. Backstory: I have a VPS on which i run multiple dockerized websites. On the front i have the jwilder nginx reverse proxy server ...
Jim Bantanis-Kapirnas's user avatar
1 vote
0 answers
18 views

Forwarding Traffic Through Cloudflare Warp on Ubuntu Server with SSH Proxy

I have configured an SSH connection on my Ubuntu server and established an SSH proxy using Nekoray on both my Windows and Android devices. Currently, when I browse the internet through this setup, my ...
Mohammad Fanni's user avatar
0 votes
0 answers
60 views

How to route wireguard server traffic through a proxy?

I have two containers in my server, wireguard-server and cloudflare-warp which are deployed in the same host using: docker run -d --name=wireguard \ -e LANG=en \ -e WG_HOST=example.com \ -e ...
user1089796's user avatar
0 votes
0 answers
50 views

Certbot `http-01` challenge fails with unauthorized error for domain verification

I’m trying to obtain an SSL certificate for my domain registry.cuongncc.uk using Certbot with the --standalone authenticator. The http-01 challenge fails with details: certbot certonly --standalone -d ...
CuongNCC's user avatar
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0 answers
26 views

In Cloudflare, do I need to remove my A records for all my www servers if I already configured Load Balancing?

I have configured Load balancing in Cloudflare for three servers. Should I delete or keep the "A records" of my three servers serviced by my load balancer? I'm afraid the three A records ...
Sophia's user avatar
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0 answers
37 views

How to configure the networking on FreeBSD to assign the same IP between host and guest in order to make work CloudFlare Warp on FreeBSD

I've just installed the CloudFlare client on Ubuntu,that I have virtualized with bhyve. That's because it does not work on FreeBSD. The instructions that I have followed are located here : https://www....
Marietto's user avatar
  • 143
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1 answer
93 views

What are the options for Layer 7 DDoS protection of AWS resources

The following are my assumptions based on AWS docs. It's only because the docs do not precisely address my questions that I'm here asking. AWS WAF (whether used directly or via Shield Advanced) is ...
Ash's user avatar
  • 129
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26 views

Cant ping domain inside its server [DNS, Coludflare]

I have website halorumah.id, recently I migrate the server to local provider(in Indonesia), I am also using Cloudflare because I need its cdn/cache feature, my domain is successfully using Cloudflare,...
Loderunner's user avatar
0 votes
1 answer
92 views

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 ...
0xENDER's user avatar
0 votes
0 answers
111 views

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....
Roko's user avatar
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0 answers
75 views

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 ...
Appleoddity's user avatar
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0 votes
1 answer
63 views

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 ...
J K's user avatar
  • 3
0 votes
0 answers
149 views

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 ...
aoa's user avatar
  • 1
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0 answers
61 views

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 ...
Eftal Gezer's user avatar
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0 answers
88 views

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 ...
Ghost0159's user avatar
1 vote
1 answer
131 views

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 ...
emonigma's user avatar
  • 269
0 votes
2 answers
119 views

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 ...
Ali's user avatar
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1 vote
1 answer
127 views

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 ...
Jens Kirk's user avatar
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1 vote
0 answers
80 views

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 ...
Theo's user avatar
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0 votes
1 answer
159 views

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 ...
Daryl1976's user avatar
  • 133
0 votes
1 answer
60 views

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 ...
Devrimer's user avatar
1 vote
0 answers
46 views

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/...
rasputin's user avatar
  • 145
0 votes
1 answer
91 views

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 ...
Majid Khan Mohmand's user avatar
0 votes
0 answers
227 views

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/ ...
Alireza Behnamnik's user avatar
3 votes
0 answers
174 views

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%, ...
CodePanda's user avatar
  • 141
0 votes
1 answer
46 views

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 ...
Jose A. Matarán's user avatar
-1 votes
2 answers
131 views

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....
Samozen's user avatar
0 votes
0 answers
18 views

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 ...
Akshay's user avatar
  • 1
0 votes
0 answers
80 views

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 ...
Vinicius Andrade's user avatar
0 votes
0 answers
443 views

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. ...
nightlover's user avatar
0 votes
0 answers
80 views

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 ...
CodingGuy's user avatar
0 votes
1 answer
272 views

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 ...
Anonymous_Codesman's user avatar
0 votes
1 answer
101 views

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 ...
user1015149's user avatar
0 votes
1 answer
237 views

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 ...
Balya Rochmadi's user avatar
0 votes
2 answers
284 views

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 ...
Sina Nouri's user avatar
0 votes
0 answers
34 views

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, ...
Coder's user avatar
  • 1
0 votes
0 answers
120 views

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 ...
Hendrik Wiese's user avatar
0 votes
1 answer
25 views

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 ...
Bestemmie's user avatar
0 votes
0 answers
72 views

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 ...
Bungow's user avatar
  • 101
0 votes
0 answers
142 views

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 ...
jonseymour's user avatar
0 votes
0 answers
13 views

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 ...
advapi's user avatar
  • 99
0 votes
0 answers
87 views

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 {...
Jason The Dynamite's user avatar
0 votes
0 answers
157 views

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 {...
Jason The Dynamite's user avatar
0 votes
0 answers
199 views

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:...
DDulla's user avatar
  • 121
0 votes
0 answers
38 views

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 ...
Prabhash's user avatar
0 votes
0 answers
308 views

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]...
Tom's user avatar
  • 289
0 votes
0 answers
258 views

Route certain domains through cloudflare warp and all other traffic go through the default WAN interface

I'm new to this subject. I have a ubuntu installed vps and vnc server on it. I want to use cloudflare warp only for selected domains/subdomains and all other traffic go through the default WAN ...
anodude's user avatar
0 votes
1 answer
394 views

Clients of a site are getting SSL_ERROR_HANDSHAKE_FAILURE_ALERT (Firefox) and ERR_BAD_SSL_CLIENT_AUTH_CERT (Chrome)

I'm running a site in AlmaLinux 8.8 (Centos) and Apache 2.4.56. The site has a self-signed certificate. When I access the site, I get the usual warning due to the self-signed certificate. After ...
ePi272314's user avatar
  • 101
2 votes
1 answer
878 views

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 ...
Max Feinberg's user avatar
0 votes
0 answers
229 views

How to configure Cloudflare DNS for path based routes with a target like how you define for a CNAME record?

I have a site, lets call it mydomain.com. The site has some subdomains (subdomain.mydomain.com) and some path based routing (mydomain.com/path1). The thing is that when a user clicks on links to ...
Narm's user avatar
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