Install XenTools on Linux VMs

Objective This articles describe on installing the paravirtualized drivers on a linux operating systems like centos, redhat, ubuntu Instructions 1. Insert the XenTools ISO in the DVD drive of the Linux VM2. Mount the DVD drive to /mnt using : “mount /dev/xvdd /mnt”It says , mount : block device /dev/xvdd is write-protected, mounting read-only  The…

How to Implement Security HTTP Headers to Prevent Vulnerabilities?

Do you know most of the security vulnerabilities can be fixed by implementing necessary headers in the response header? Security is as essential as content and SEO of your website, and thousands of websites get hacked due to misconfiguration or lack of protection. If you are a website owner or security engineer and looking to protect your…

About WHOIS Lookup

What is a WHOIS Database? The WHOIS database contains the listing of all registered domains on the internet. You can do a WHOIS lookup to access various details related to a domain like registration date, expiry date, domain ID, name of registrar, contact information, server name and more. The WHOIS database is available to the…

Using Multiple SSL Certificates in Apache with One IP Address

About the TLS Extension Server Name Indication (SNI) When website administrators and IT personnel are restricted to use a single SSL Certificate per socket (combination of IP Address and socket) it can cost a lot of money. This restriction causes them to buy multiple IP addresses for regular https websites from their domain host or…