Using Nessus to scan hosts behind a firewall
For first-time (and even veteran) Nessus users, Tenable support often gets questions about how to access the security of a host that is behind a firewall. Regardless if you are running Nessus for the first time, or deploying distributed Nessus scanners managed by the Security Center, knowing how to scan systems protected by firewalls is vital. This post will discuss several issues with scanning hosts behind firewalls and strategies Nessus users can use to overcome this.
At the Tenable blog.
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