Virtualization Tutorials, Operating System Tutorials, Software Tutorials And Other IT Tutorials
Why We Should Mitigate SSH Based Attack SSH (Secure Shell) is a most popular remote protocol. SSH allows remote login and execute commands. That providing secure way to login and run commands on remote...
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VNC is a fast and secure way to managing Linux systems via GUI remotely. VNC needs proper configuration to work without issue. Configure VNC on Linux systems will be difficult and confusing for beginners. Fortunately, Red Hat provides an application to create VNC configuration as a script automatically.
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VNX Storage arrays can be added to a domain for centralization logging and management for multiple storage arrays. Also Unisphere Central can be added to a VNX domain.
Sometimes, storage administrator makes mistake about adding or removing VNX storage arrays from VNX domain. As an example, administrator has to remove a VNX for send to repairing but forget removing storage array from domain. Another example, when there is multiple domains with multiple range of IP addresses, may be administrator add array to domain wrongly and after that, change IP and add to another domain.
In these situations, domains will contain some systems as unverified system, the unverified systems should verify again and otherwise should be removed.
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At the first part, we’ve reviewed GSM (Greenbone Security Manager – Formerly OpenVAS) as a security manager or assessment tool for discovering vulnerabilities on virtual environments, the second part was more functional and we talked more about GSM. You leaned that how can you create a target on Greenboone Security Manager and scan it to discover vulnerabilities.
As I said at the end of second part of the blog post, the third part is related to resolving security issues. Any software and specially operating systems have “Hardening Guide”. You must follow steps of hardening guide to reduce security vulnerabilities effect on production environments.
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We have reviewed reasons of have Vulnerability Assessment or Vulnerability Manager in virtual environments and how these software help us to find vulnerabilities on any component of virtual infrastructure. We have reviewed OpenVAS or Greenbone Security Manager and talked about features and abilities.
Now, it’s time to use the GSM server that we had prepared on the previous part. In this part of blog post, we’ll configure a target (ESXi Server) on OpenVAS server, create a task for scan and find the result of scan.
I’ve installed ESXi 6U1 (3029758) on a virtual machine and there is no customized configuration, all configurations are default.
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