by Ron Gula on April 16, 2007
Nessus 3.2 will support scanning of IPv6 addresses. The current BETA (released as Nessus 3.1.3) can be used to perform scans of IPv6 addresses. This blog entry shows how to use the current Nessus 3.2 BETA to perform such a scan from the UNIX command line.
Why Scan for IPv6 Addresses?
by Ron Gula on March 20, 2007
by Ron Gula on March 19, 2007
The Nessus 3.2 BETA includes many new features, including a library that allows users to program their own WMI queries to Windows systems. This blog entry discuses some example WMI NASL scripts that make use of the new library and identify interesting asset and configuration information about Windows Hosts.
by Ron Gula on February 21, 2007
Nessus 3.1.2, the first public BETA of what will become Nessus 3.2, has been released for the Linux, FreeBSD and Solaris operating systems.
by Ron Gula on February 7, 2007
Tenable Network Security has recently added the ability to query remote Windows systems via the Windows Management Instrumentation (WMI) protocol. This allows a credentialed Nessus 3 scan to perform some very advanced configuration audits of Windows systems. This blog entry discusses WMI, the initial checks developed by Tenable and how this can impact consultants and enterprise users of Nessus and the Security Center.
What is WMI?
by Ron Gula on January 17, 2007
This point release provides fixes for multiple minor issues with Nessus 3.0.4. The fixes include:
Platform specific changes include:
by Ron Gula on January 8, 2007
Many organizations have IT configuration polices that require CDs and USB drives to be disabled. This blog entry discusses a simple way to use a Nessus 3 .audit file to test a Windows 2003 server for the correct registry settings that disable "AutoRun" of programs on CDs as well as disables USB drives.
Windows 2003 Registry Settings
On Windows 2003 servers, the following registry setting controls "AutoRun" for CD drives:
HKLM\SYSTEM\CurrentControlSet\Services\Cdrom
by Ron Gula on January 5, 2007
On January 3rd, 2007, Tenable's research group released a NASL script (plugin #23971, currently available to Direct Feed and Security Center customers) to test if a scanned host is on a different logical network, but also on the same physical network. If this is the case, your network may have a potential security issue, as IP based access control filtering may not be effective.
by Ron Gula on December 30, 2006
Tenable recently increased the flexibility of performing configuration assessments of Windows access control lists (ACLs) with the Nessus compliance checks.
Previously, an ACL policy could only be built with exact understanding if it were "inherited" or "not inherited". For large numbers of checks, it might not make any difference if an ACL were inherited from someplace else or not, just that the actual ACL was correct.
by Ron Gula on December 19, 2006
by Ron Gula on December 11, 2006
Tenable has released 32 plugins for Nessus 3 which specifically test SCADA devices. These plugins were the result of a four month research contract between Tenable Network Security and Digital Bond.
by Ron Gula on December 6, 2006
If you are performing credentialed patch audits with Nessus, you can also create an inventory of installed software on each of your UNIX and Windows hosts. This blog post will review how Nessus can perform these tasks and what you can do with the results.
Finding Software on UNIX and Windows Systems
by George A. Theall on November 16, 2006
For over a year now, Tenable has been including CVSS base scores in the plugins we write for Nessus as well as Passive Vulnerability Scanner (PVS) to give our customers an objective way to assess the risk of flaws those plugins test for. We've been calculating these scores in-house during the course of investigating vulnerabilities and how to test for them.
by Ron Gula on November 3, 2006
Nessus 3 users who have subscribed to the Direct Feed service can audit the configurations of many OSes, including OS X. This blog entry will show the basic configuration of an OS X device to allow auditing by Nessus 3.
Configuring Remote Auditing for OS X
The first step to auditing an OS X system with Nessus is to allow remote SSH access. To do this, as an administrator of the OS X system, under sharing, enable "Remote Login" as is shown below:
by Ron Gula on October 30, 2006
Tenable Network Security is pleased to announce the immediate availability of Nessus 3.0.4 w
by Ron Gula on September 25, 2006
by Ron Gula on September 23, 2006
by Ron Gula on September 13, 2006
by Ron Gula on September 7, 2006
Nessus has more than 11,000 plugins which can be used to audit networks with host based checks and network checks. There are also many different options that Nessus users can configure to optimize their scans. One of these options is to enable or disable "safe checks". The "safe checks" setting allows Nessus users to enable a set of plugins within Nessus' library of vulnerability checks which Tenable feels can have negative effects on the network, device or application being tested.
by Ron Gula on August 31, 2006
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Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy.
Your Tenable Vulnerability Management trial also includes Tenable Lumin and Tenable Web App Scanning.
Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.
Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy.
Your Tenable Vulnerability Management trial also includes Tenable Lumin and Tenable Web App Scanning.
Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.
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