CQF

Application Access Control: It All Starts with DNS

Most IP communication starts with a DNS query to translate the server name contained in a URL or any application solution into an IP address. Whether it uses TCP or UDP (or any other communication protocol), and whether it uses IP version 4 or 6, the session will be established after the DNS resolution. DNS is at the intent of any application exchange, it can perform value-added actions like securing the communication, filtering predefined destination sites, optimizing the destination or...