Security Blog

Securing a Site With a Cloudflare Client Certificate and mTLS
Cloudflare Security

Securing a Site With a Cloudflare Client Certificate and mTLS

When a website required limited access, I needed a way to lock it down to specific physical devices. I couldn't rely on IP addresses which might change regularly, and while a strong password requirement might be sufficient I wanted something a little more secure. Not to mention that it shouldn't be crawled by any search engines either. The solution was a Cloudflare client certificate and mTLS firewall rule.

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