Credentialed Pre-Port Discovery: Don't Probe the Host, Ask it

If your VM scan engine already holds credentials for a host, it can ask that host which ports are open instead of probing for them. The engine connects to the port that credential uses, authenticates with a credential you already manage, and the host's operating system returns an authoritative list of the ports it is listening on – no probing, no inference, and nothing to wait out.

Source: https://www.rapid7.com/blog/post/pt-credentialed-pre-port-discovery-asking-host. 8 Sync News only summarizes and links out; content copyright belongs to the authors and original sources.