Ongoing Research Survey Notice

We are researchers from the cryptography group of Politecnico di Milano. We are conducting an analysis on the state of correctness of X.509 digital certificates.

For this reason, we are performing a full IPv4 scan to collect the digital certificates currently used on the internet.

If you wish to opt-out, please contact the following email address and send a text file with the IP addresses you wish to exclude, one per line:

certificate-survey-deib@polimi.it