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URL  stands for Uniform Resource Locator. URL is the address of the website which you can find in the address bar of your web browser. It is a reference to a resource on the internet, be it images, hypertext pages, audio/video files, etc. Example : http://shrigujaratpustakalay.in/ What is DNS : DNS is short for Domain Name System. Like a phonebook, DNS maintains and maps the name of the website, i.e. URL, and particular IP address it links to. Every URL on the internet has a unique IP address which is of the computer which hosts the server of the website requested. Brief explanation about for what happens when we enter a URL : Browser checks cache for DNS entry to find the corresponding   IP address   of website. It looks for following cache. If not found in one, then continues checking to the next until found. Browser Cache Operating Systems Cache Router Cache ISP Cache If not found in cache, ISP’s (I...

Vulnerability scanners Vulnerability scanners  automate security auditing and can play a vital part in your IT security by scanning your network and websites for different security risks. These scanners are also capable of generating a prioritized list of those you should patch, and they also describe the vulnerabilities and provide steps on how to remediate them. It is also possible for some to even automate the patching process. Top 10 Vulnerability Assessment Scanner Tools Comodo cWatch OpenVAS Nexpose Community Nikto Tripwire IP360 Wireshark Aircrack Nessus Professional Retina CS Community Microsoft Baseline Security Analyzer (MBSA) 1. Comodo cWatch   Comodo’s cWatch is considered to be a revolutionary vulnerability scanning and trust building tool that enables overcoming the security concerns of your visitors. Following are a few key benefits you can obtain from cWatch: Reduce cart abandonment Daily vulnerability scanning ...