Contact: mailto:help@testmyfirewall.com Contact: https://testmyfirewall.com/abuse Expires: 2027-08-01T00:00:00.000Z Preferred-Languages: en Canonical: https://testmyfirewall.com/.well-known/security.txt Policy: https://testmyfirewall.com/abuse # TestMyFirewall.com runs an opt-in connect-back port test. If you are # investigating a TCP connection from Cloudflare address space to your # network, https://testmyfirewall.com/abuse explains what it is, how to # recognise it, and how to ask for a range to be excluded.