HTTP GET Request Invalid 'Referer' Header Detection
A GET request was observed from this host which has an invalid or null 'Referer:' field.
The remote host has been observed issuing an HTTP GET request containing the 'Referer:' request header that was incomplete or null.
Try Tenable.io free for 60 days. Protect your organization from WannaCry, NotPetya and other ransomware cyberattacks. Get Started
The cookie settings on this website are set to 'allow all cookies' to give you the very best website experience. If you continue without changing these settings, you consent to this - but if you want, you can opt out of all cookies by clicking below.