Cisco Talos Inteligence blocks Cloudflare IPs

Website, Application, Performance
1

What is the name of the domain?

udbudshuset.dk

What is the issue you’re encountering

Multiple users reports that their Cisco Talos Intelligence firewall blocks Cloudflare IPs making them unable to access any site proxied through Cloudflare

2

Hi,

Thank you for reaching out to us. You need to allowlist Cloudflare IP ranges listed here IP Ranges in order to solve this issue. We suggest you reach out to the
Cisco Talos Intelligence firewall support to get assistance doing this.

I hope this helps.

Kindly,

2 Likes
3

Hi,

We solved the issue by upgrading to a pro tier.

However, the problem is not on our side. We don’t have Cisco Talos on our systems. It is our customers, plurral, that doesn’t seem to be able to access the free tier IP adresses.

4

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