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Questions tagged [cloudflare]

Cloudflare is a Content Delivery Network (CDN).

0
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1answer
32 views

CentOS payload injection attempts? [duplicate]

My PHP logs have been flooding with seemingly random attempts to access scripts and software which isn't installed on my server. At first, All the attempts came from a single IP, I was using ...
1
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0answers
22 views

health check to test haproxy — request deny with 200. good idea?

I have been working on a multi-provider redundant load balancing solution using HAProxy, AWS, and Cloudflare. I have a solution, and I believe it will be secure, but I am looking for further ...
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vote
2answers
134 views

How does Cloudflare track their client? Tor is not a workaround

I mirrored a ecommerce site using wget. This site seems to use Cloudflare to handle their web traffic. What's interesting is that after 90 % or so of the mirroring was done, wget started to produce/...
1
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0answers
60 views

HSTS over HTTP-CDN-HTTPs chain [closed]

I'm using CloudFlare's flexible SSL: Flexible SSL: You cannot configure HTTPS support on your origin, even with a certificate that is not valid for your site. Visitors will be able to access ...
6
votes
1answer
120 views

How SSL/TLS handshake happens when we use Cloudflare Service?

I was reading about the offerings of the Cloudflare and then I read about the working of Cloudflare. Based on my understanding, the domain name of my website(alice.com) is resolved to the IP address ...
0
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1answer
82 views

SSL to web server from Cloudflare

Hey I have Cloudflare protecting my website. I had a Let's Encrypt SSL certificate encrypting it before. If I send a request and it passes through Cloudflare. When it gets to my web server will it be ...
0
votes
1answer
102 views

Should a CDN service like Cloudflare protect against Brute Force Attacks, or only from DDoS?

I know that CDN services usually protect a user by hiding it's original machine's IP and by screening (and banning) any attackers that send too many requests in the form of DDoS. But should a CDN ...
4
votes
2answers
301 views

How can cloudflare read encrypted request without private key? [duplicate]

We have Cloudflare in our production server and the encryption level is full, not flexible. This webpage said Cloudflare can decrypt the request. But we didn't give our server's private key to ...
0
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1answer
76 views

Cloudflare cipher selection based on AES-NI support

How does Cloudflare selects AES ciphers on devices with AES acceleration and ChaCha on devices without it ?
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3answers
5k views

How does a company like CloudFlare block bot crawling and email harvesters?

I saw this on CloudFlares homepage: CloudFlare protects against a range of threats: cross site scripting, SQL injection, comment spam, excessive bot crawling, email harvesters, and more. How could ...
9
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3answers
4k views

How can CloudFlare provide a valid SSL certificate for domains not under its control?

CloudFlare provides a reverse proxy, and it offers SSL support ("flexible", "full", "strict full", and "keyless"). How does CloudFlare manage to get a valid certificate for domains it does not own? ...
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2answers
7k views

CloudFlare - prompted for “attention required”

I am getting a CloudFlare - attention required / security check prompt on most of the sites I visit through my Macbook running OS X Yosemite, these sites work perfectly on other devices (such as iPad, ...